Classic Races in Colorado
Evergreen, CO
Freedom Run 5K
Jul 4, 2023
Elk Meadow Trail Race
Jun 22, 2024
Evergreen Mountain 15K
Jul 13, 2024
Golddigger 5K
Jul 27, 2024
Staunton State Park 20K
Aug 3, 2024
Evergreen Town Race
Aug 4, 2024
Bergen Peak Half Marathon
Sep 14, 2024
Longmont, CO
Paws in the Park
Oct 7, 2023
Sole Mates 5K
Nov 4, 2023
Longmont Turkey Trot
Nov 11, 2023
Main Street Fun Run
Dec 9, 2023
The Day Quest - McIntosh Lake Loop
Feb 5, 2024
Boulder Track Series Meet 1
Apr 14, 2024
Boulder Track Series Meet 2
Apr 28, 2024
Girls on the Run 5K
May 11, 2024
Frank Shorter Track Classic
May 12, 2024
Longmont Half & 5k
Jul 4, 2024
Roger's River Run
Jul 12, 2024
Sunrise Stampede 5K
Aug 10, 2024
Colorado Brewery Running Series
Sep 15, 2024
Colorado Brewery Running Series
Dec 7, 2024
Glenwood Springs, CO
Halloween Hustle for Charity 5K
Oct 28, 2023
Strawberry Shortcut
Jun 23, 2024
Sunlight Showdown
Sep 22, 2024
Thornton, CO
RMRR Fall Marathon Training Series
Aug 27, 2023
Sep 24, 2023
Sep 10, 2023
RMRR Trophy Series - January
Jan 7, 2024
Lucky Dog Dash
Mar 2, 2024
RMRR Spring Marathon Training Series
Mar 24, 2024
Apr 28, 2024
Head and Neck Cancer A Hard Thing to Swallow 5K/10K
May 12, 2024
Unicorn 5K North
Jun 22, 2024
Firecracker 4 and 8 Mile
Jun 30, 2024
Pirates Run for Booty
Jul 27, 2024
RMRR Trophy Series - September
Sep 8, 2024
Its Fall Yall 5K and K9 Canter 1M Fun Run
Oct 5, 2024
Winterfest 5K
Dec 14, 2024
Greeley, CO
Too Hot to Trot 5K
Jun 17, 2023
Nessa's Love Run 5K
Aug 27, 2023
NCMC Turkey Trot
Nov 23, 2023
Run for Women to Women
Mar 23, 2024
Greeley Freedom 5K Walk and Run
Jul 4, 2024
Frontier Academy Community 5K
Aug 24, 2024
Superhero Event
Sep 21, 2024
Hayden, CO
Hayden Cog Run
May 4, 2024
Denver, CO
Denver Twilight 5000 (Race 1)
Jun 29, 2023
Denver Twilight 5000 (Race 2)
Aug 10, 2023
Race for Research 5K
Aug 20, 2023
D'Evelyn Dash
Aug 26, 2023
Festival For Life: AIDS Walk & Run Colorado
Aug 26, 2023
PH in the Park
Aug 27, 2023
9/11 Heroes Run
Sep 10, 2023
Sentir Venezolano 5K Walk / Run
Sep 17, 2023
Roadrunners 5K
Sep 30, 2023
Dare Great Things Cross Country Challenge
Oct 7, 2023
Grace Race 5K
Oct 7, 2023
Miles for Moms
Oct 7, 2023
UpStander 5K
Oct 7, 2023
The Odyssey Odyssey
Oct 22, 2023
DU Crimson Classic 5K
Oct 27, 2023
Dragon Dash 5K
Nov 5, 2023
Feet for Justice Run
Nov 5, 2023
The Great Candy Run
Nov 12, 2023
Mile High United Way Turkey Trot
Nov 23, 2023
Southmoor Park Fun Run
Nov 23, 2023
Turkey Trot
Nov 23, 2023
Rudolph Ramble 5K
Dec 3, 2023
Polar Bear 5K
Jan 21, 2024
SuperBowl 5K
Feb 4, 2024
Valentine's Day 4-Mile
Feb 11, 2024
Cupid's Undie Run
Feb 24, 2024
Time to Paddy 5K/10K and Lucky 13.1
Mar 3, 2024
Runnin' of the Green 7K
Mar 10, 2024
RMRR Trophy Series - April
Apr 7, 2024
Three Creeks Half Marathon
Apr 7, 2024
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
May 5, 2024
May 19, 2024
1 more
Fight for Air Climb
Apr 27, 2024
RMRR Trophy Series - May
May 5, 2024
Mothers Day 5K
May 12, 2024
Denver Colfax Marathon
May 19, 2024
May 18, 2024
Girls on the Run 5K
May 18, 2024
REVEL Rockies
Jun 1, 2024
Rockies 5K
Jun 1, 2024
Flamingo Day 5K
Jun 2, 2024
RMRR Trophy Series - June
Jun 2, 2024
Jodi's Race 5K
Jun 8, 2024
Miles for Melanoma
Jun 8, 2024
Big Run 5K
Jun 9, 2024
More Life 5K
Jun 15, 2024
Denver Pride 5K
Jun 22, 2024
High Line Canal Summer Scamper
Jun 26, 2024
Colorado Brewery Running Series
Jul 6, 2024
Cookie Chase 5K
Jul 13, 2024
Donor Dash
Jul 21, 2024
Denver CF Climb
Jul 27, 2024
Dash for Smiles
Jul 28, 2024
Impact Uganda 5K/10K
Aug 17, 2024
Miles for Migraine
Aug 17, 2024
Donot Stop
Aug 31, 2024
Denver Broncos 7K
Sep 1, 2024
Roost Rebellion Relays
Sep 4, 2024
Blue Shoe Run for Prostate Cancer
Sep 7, 2024
Sloan's Lake Search Party (SLSP)! Marathon Hourly Loop Race
Sep 7, 2024
Denver Rocks Run 5K/10K
Sep 8, 2024
Colorado Brewery Running Series
Sep 14, 2024
Denver 5K
Sep 14, 2024
Nun Run
Sep 15, 2024
Move Forward 5K & 10K
Sep 21, 2024
Hot Chocolate 15K/5K
Oct 6, 2024
Michael J. Fox Foundation Run
Oct 6, 2024
bRUNch Run
Oct 13, 2024
Liberty Energy 5K
Oct 19, 2024
Colorado Brewery Running Series
Oct 26, 2024
MonsterDash Run
Oct 26, 2024
Ghosts and Goblins 5K/10K
Oct 27, 2024
City Park 5K
Nov 2, 2024
Colorado Brewery Running Series
Nov 2, 2024
RMRR Trophy Series - November
Nov 3, 2024
Denver Veterans Day Run
Nov 9, 2024
Pumpkin Pie 5K/10K
Nov 16, 2024
RMRR Trophy Series - December
Dec 1, 2024
Jingle Bell Run
Dec 8, 2024
Ugly Sweater 5K
Dec 15, 2024
Santa's Dash for Cash
Dec 21, 2024
Central Park 5K
Mar 23, 2025
Donut Dash 5K
Apr 6, 2025
The Mile High 4.20K
Apr 20, 2025
Unicorn 5K
Apr 20, 2025
Crested Butte, CO
Emma Coburn's Elk Run 5K
Sep 30, 2023
Grin and Bear It Trail Run
Jul 13, 2024
Grand Traverse Mountain Run
Aug 31, 2024
Crested Butte Ultra
Sep 28, 2024
Camp 4 Coffee Cart to Cart
Oct 5, 2024
Camp 4 Coffee Cart to Cart Trail Race
Oct 5, 2024
Colorado Springs, CO
INFERNO Men: 5K Fatherhood Fun Run & Walk
Jun 17, 2023
5K To Fight Histio
Jul 16, 2023
Tracy Vsetecka Memorial 5K
Jul 22, 2023
Be Ovary Aware 5K
Sep 17, 2023
Race Against Suicide
Sep 17, 2023
PPCC Take the Night Back
Sep 21, 2023
Pikes Peak Road Runners Kids Fall Series
Oct 1, 2023
Oct 15, 2023
Oct 29, 2023
Nov 12, 2023
Trek the Trail 5K
Oct 21, 2023
Bear Run
Nov 4, 2023
Canya Canon Trail Race and Family Hike
Nov 5, 2023
Turkey Trot Predict
Nov 18, 2023
YMCA Turkey Trot 5K
Nov 23, 2023
Chasing Santa 5K
Dec 2, 2023
Rescue Run
Jan 1, 2024
Winter Series
Jan 13, 2024
Jan 27, 2024
Feb 17, 2024
Feb 24, 2024
Couple Shuffle
Feb 3, 2024
Time to Paddy 5K/10K and Lucky 13.1
Mar 2, 2024
5K for St. Patrick's Day
Mar 16, 2024
War Dog Memorial 5K
Mar 23, 2024
Tillman Honor Run
Apr 13, 2024
Time Travel Half Marathon
Apr 21, 2024
Alpine Autism Center Run for the One 5K
Apr 27, 2024
Cheyenne Mountain Trail Race
Apr 27, 2024
Bash the Bluffs 5K
May 4, 2024
Nielson Two Mile Challenge
Mar 1, 2025
Apr 5, 2025
May 4, 2024
Jun 1, 2024
8 more
Take 5 in the Garden
May 4, 2024
Girls on the Run 5K
May 11, 2024
Head and Neck Cancer A Hard Thing to Swallow 5K/10K
May 11, 2024
Valkyrie Trail Race
May 11, 2024
Women's Distance Festival
May 11, 2024
Ram Party
May 18, 2024
May 19, 2024
Run to the Shrine
May 18, 2024
May 19, 2024
Blue Moon Trail Run
Jul 26, 2024
May 24, 2024
Jun 28, 2024
Angel Run
May 27, 2024
Aiden's Adventure 5K
Jun 1, 2024
Rosie Run
Jun 8, 2024
Garden of the Gods 10 Mile Run
Jun 9, 2024
Springs Downhill Mile
Jun 15, 2024
Colorado Brewery Running Series
Jun 22, 2024
Race to the Polls
Jun 22, 2024
Ring the Springs
Jun 22, 2024
Jun 23, 2024
Firecracker 4 and 8 Mile
Jun 29, 2024
Summer Sizzler
Jul 20, 2024
Pikes Peak Ultra
Jul 27, 2024
Rocky Mountain Run 5K
Jul 27, 2024
Sertoma HEARS 5K
Aug 3, 2024
Hometown Half Marathon
Aug 10, 2024
Protect the Children 5K
Aug 24, 2024
Donot Stop
Aug 31, 2024
Orangetheory 5K at Labor Day Lift Off
Sep 1, 2024
Colorado Springs Marathon
Sep 28, 2024
Pikes Peak Road Runners Fall Series
Oct 20, 2024
Oct 6, 2024
Nov 17, 2024
Nov 3, 2024
Spooky Sprint - Colorado Springs
Oct 6, 2024
Bobcat Trail Race
Oct 19, 2024
Turkey Trails
Nov 2, 2024
Colorado Brewery Running Series
Nov 10, 2024
Colorado Cold Rush
Nov 30, 2024
Candy Cane Course
Dec 21, 2024
Super Half Marathon and Game Day 5K
Feb 9, 2025
Stories Trail Runs
Feb 15, 2025
Feb 16, 2025
Rattler Trail Race
Apr 19, 2025
Silverton, CO
Silverton Alpine Marathon & 50K
Jul 6, 2024
Kendall Mountain Run
Jul 7, 2024
Hardrock 100
Jul 12, 2024
Lake City, CO
San Juan Solstice 50 Mile
Jun 22, 2024
Aurora, CO
Smoky Hill Community 5K
Aug 19, 2023
Aurora Polar Plunge and 5K
Apr 6, 2024
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
Apr 28, 2024
May 19, 2024
1 more
Altitude Elementary Moose Mudder
May 5, 2024
The Hero's Journey 5K
Jul 20, 2024
Sundown XC
Jul 26, 2024
Run for the Ring 5K
Aug 3, 2024
WW Clyde Family Sports Day
Aug 10, 2024
Average Joe Run 5K
Aug 11, 2024
RexRun For PAWSitivity 5K Trail Run/Walk
Sep 7, 2024
OCA Panda Run
Sep 21, 2024
RMRR Trophy Series - October
Oct 6, 2024
Colorado Brewery Running Series
Oct 12, 2024
Expo Park XC
Oct 13, 2024
Durango, CO
Durango Fall Classic
Oct 7, 2023
Durango Running Club Turkey Trot 5M
Nov 23, 2023
Southwest CO FCA 5K
Apr 20, 2024
Narrow Gauge 10 Mile
May 26, 2024
Steamworks Half Marathon
Jun 8, 2024
Kennebec Mountain Run
Aug 3, 2024
Thirsty 13 Half Marathon
Aug 24, 2024
Mountain Marmot Trail Run
Sep 21, 2024
Southwest Series - Day 2 - CO
Nov 11, 2024
Idaho Springs, CO
Halloween Fun Run
Oct 28, 2023
Mt. Evans Ascent
Jun 23, 2024
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Flaming Foliage Relay
Sep 6, 2024
Fruita, CO
Sweet Heart 5K/10K
Feb 10, 2024
Girls on the Run 5K
May 4, 2024
Fruita Trail Half
May 12, 2024
Mike the Headless Chicken 5K
Jun 1, 2024
Desert RATS Kokopelli 150 Stage Race
Jun 16, 2024
Mesa County Search and Rescue 5K
Sep 28, 2024
Rim Rock Marathon and Half Marathon
Nov 3, 2024
Kessel Run Ultra
Nov 9, 2024
Desert RATS Trail Running Festival
Apr 12, 2025
Apr 13, 2025
Apr 11, 2025
Grand Junction, CO
FAMpoint5K
Oct 7, 2023
Howl-o-ween 5K & 2K Fun Run and Dog Walk
Oct 30, 2023
Santa Cause Run
Dec 9, 2023
Mav Days 5K Run/Walk
Apr 6, 2024
Dialysis Dash 5K
Jun 2, 2024
Spirit of the Valley 5K
Sep 14, 2024
Elevate Kids Fun Run
Apr 6, 2025
Woodland Park, CO
Pony Express Run
Sep 22, 2024
Above the Clouds Ultra
Oct 5, 2024
Golden, CO
Mines Mindful Miles 5K
Oct 22, 2023
SOAR 5K
Apr 27, 2024
Fairmount 5K Pancake Fun Run
Apr 28, 2024
Latino Ultra Nature Adventure
Jun 1, 2024
Spirit Of The West 5K
Jul 28, 2024
Golden Gallop
Sep 22, 2024
All-Out Kooky-Spooky
Oct 27, 2024
All-Out Spring Fever
Mar 23, 2025
Georgetown, CO
Slacker Half Marathon
Jun 22, 2024
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Colorado Brewery Running Series
Sep 28, 2024
Steamboat Springs, CO
Girls on the Run 5K
Nov 4, 2023
Steamboat Springs Turkey Trot
Nov 23, 2023
Luck of the Irish 7K
Mar 16, 2024
Spirit Challenge
May 18, 2024
Steamboat Marathon
Jun 2, 2024
Howelsen Hill Trail Run
Jun 15, 2024
Spring Creek Memorial Trail Run
Jul 20, 2024
Wild West Relay
Aug 2, 2024
Emerald Mountain Epic
Aug 4, 2024
Continental Divide Trail Run
Aug 24, 2024
10K at 10,000 Feet Trail Run
Sep 1, 2024
Run Rabbit Run
Sep 14, 2024
Sep 13, 2024
Emerald Mountain Trail Run
Sep 28, 2024
Foundry Halloween 5K
Oct 26, 2024
Centennial, CO
Pancakes for PDCD 5K/10K
Jul 29, 2023
NoSo November 5K Walk/Run
Aug 13, 2023
Hoofin' It Through the Hollows 5K
Oct 21, 2023
High Line Canal Run
May 11, 2024
RMRR Trophy Series - August
Aug 2, 2024
Arapahoe Warrior 5K
Aug 3, 2024
Buena Vista, CO
Most Eggcellent 10K, 5K
Mar 30, 2024
Collegiate Peaks Trail Run
May 4, 2024
Endura Mamas 5K and Family Fun Run
May 11, 2024
Spirit Trail Run
May 26, 2024
Billy Cordova Memorial Park 5K
Jun 15, 2024
Independence Day Freedom 5K
Jul 4, 2024
TransRockies Run
Aug 12, 2024
Flaming Foliage Relay
Sep 6, 2024
Trail Sisters Women's Half Marathon
Sep 14, 2024
Autumn Run
Sep 21, 2024
West Line Winder
Sep 28, 2024
14er Fest Races
Sep 29, 2024
Hallowiener 5K
Oct 26, 2024
BVSC Turkey Trot 5K & Family Fun Run
Nov 28, 2024
Ugly Sweater 1 Miler
Dec 7, 2024
Parker, CO
Parker July 4th 5K
Jul 4, 2023
Reuter Hess Trail Race
Nov 12, 2023
Love 'em Or Leave 'em Valentine's Day 5K/10K
Feb 10, 2024
Cattle Crossing 5K
Jun 15, 2024
Labor Day Half Marathon
Sep 2, 2024
So Long to Summer 5K
Sep 21, 2024
Parker Parks and Recreation Turkey Day 5K
Nov 28, 2024
Westminster, CO
Six Pack Summer Series Westminster
Jun 8, 2023
Jun 15, 2023
Jun 29, 2023
Jun 22, 2023
2 more
Hyland Hills Hockey Jag Jog 5K
Oct 6, 2023
The Day Quest - Fast Mile
Nov 18, 2023
Time Travel Half Marathon
Apr 20, 2024
Colorado Women's Classic - Westminster
May 12, 2024
All-Out Dog Days
Jul 13, 2024
Summer Sizzler
Jul 21, 2024
Holy Cow Trail Stampede
Aug 10, 2024
Eye Love Logan and Zoe 5K
Aug 11, 2024
Hometown Half Marathon
Aug 11, 2024
Jog in the Bog 5K
Aug 24, 2024
Westminster Trail Race
Aug 24, 2024
All-Out Fall Fest
Sep 14, 2024
Prairie Dog Half and 10K/5K
Sep 28, 2024
Big Waves Family 5K
Oct 5, 2024
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Spooky Sprint - Denver
Oct 5, 2024
Westy Half & 5K
Oct 13, 2024
All-Out Fa La La
Dec 7, 2024
Candy Cane Run
Dec 15, 2024
Candy Cane Course
Dec 22, 2024
Six Pack Series Winter Westminster 1 Mile and 5K
Jan 4, 2025
Six Pack Series Winter Westminster 2 Mile and 5K
Jan 11, 2025
Six Pack Series Winter Westminster 5K
Jan 25, 2025
Six Pack Series Winter Westminster 4 Mile and 5K
Feb 1, 2025
Six Pack Series Winter Westminster 5 Mile and 5K
Feb 8, 2025
Six Pack Series Winter Westminster 5K and 10K
Feb 22, 2025
Erin Go Braugh 7.77K
Mar 15, 2025
All-Out Beat the Heat
Apr 19, 2025
Winter Park, CO
Winter Park Turkey Trot
Nov 23, 2023
Winter Wonderland 5K
Feb 3, 2024
Alpenglow Bounce 5K
Mar 9, 2024
Rendezvous Run for Independence 5K Run/Walk
Jul 4, 2024
Byers Peak Stampede
Aug 24, 2024
Elevation Everest - The Half Everest
Sep 28, 2024
Englewood, CO
Front Range Classic
May 25, 2024
Colorado Elite Sprint Fest
May 31, 2024
Centennial Airport Runway 5K
Jun 1, 2024
Colorado Brewery Running Series
Jun 1, 2024
Denver Twilight Series: The Premier
Jun 14, 2024
Jeremy Bitner Fallen Officer 5K/10K Run
Jun 29, 2024
Denver Twilight Series: The Sequel
Jul 5, 2024
Denver Twilight Series: The Finale
Aug 9, 2024
Manitou Springs, CO
Barr Trail Mountain Race
Jul 21, 2024
Pikes Peak Ascent and Marathon
Sep 22, 2024 - Marathon
Sep 21, 2024 - Ascent
Mustang 5K
Oct 5, 2024
Erie, CO
Eerie Erie
Oct 28, 2023
Luvin Arms Turkey Trot
Nov 23, 2023
Pilgrimage Run
Nov 23, 2023
Erie Half & 5K
Aug 18, 2024
Pueblo, CO
Zebra Zoom at the Zoo
Jul 29, 2023
Lions Roar for Fitness 5K/2.5K Challenge
Oct 7, 2023
Harvest Fest
Oct 14, 2023
Orange Run
Nov 12, 2023
YMCA of Pueblo Turkey Trot
Nov 23, 2023
Rock Canyon Half Marathon
Dec 3, 2023
Valentine Twosome Relay or Run
Feb 10, 2024
Pueblo Spring Runoff
Mar 3, 2024
Memorial Day 5K and Walk
May 27, 2024
Pueblo Levee 5K
Jun 8, 2024
Louisville, CO
Coyote Chase 5K
Aug 19, 2023
Superior Stocking Run
Dec 3, 2023
Colorado 13er
Jun 2, 2024
Let Freedom Run
Jul 4, 2024
Louisville Trail Race
Sep 28, 2024
The Pretzel Run Colorado
Oct 12, 2024
MonsterDash Run
Oct 27, 2024
Louisville Turkey Trot
Nov 28, 2024
Santa Claus Runs
Dec 14, 2024
Arctic Prairie Dog Half
Jan 19, 2025
Castle Rock, CO
ShamROCK Stampede
Mar 16, 2024
Eggstravaganza Challenge 5K
Mar 30, 2024
Rock Hawk Trail Races
Apr 27, 2024
Memorial Day Run & March
May 18, 2024
Climb 4 Change
Jun 8, 2024
July 4th ROCK-IT Run
Jul 4, 2024
Prairie Dog Half and 10K - Castle Rock
Jul 20, 2024
Reece's Roundup
Aug 3, 2024
Castle Rock Trail Festival
Oct 5, 2024
Turkey ROCK Trot
Nov 28, 2024
Loveland, CO
Brakes on Breast Cancer 5K
Oct 22, 2023
Loveland Turkey Trot
Nov 23, 2023
Sweetheart Classic
Feb 10, 2024
Run the Ranch
Apr 5, 2024
Apr 6, 2024
Earth Day 5K/10K
Apr 20, 2024
NOCO Half Marathon & 10K
Apr 27, 2024
New Vision 5K
May 4, 2024
Run For The Trees
May 4, 2024
Run for the Trees - BSBF 2 Mile Run
May 4, 2024
Know. Grow. GO RUN 5K
May 17, 2024
Crazy Legs 10K+ Trail Run
Jun 2, 2024
NoCo All-Comers Track Meet Series #1
Jun 12, 2024
Running for Hope
Jun 15, 2024
Sierra's Race 5K
Jun 15, 2024
NoCo All-Comers Track Meet Series #2
Jun 29, 2024
Loveland Liberty 5K
Jul 4, 2024
NoCo All-Comers Track Meet Series #3
Jul 20, 2024
NoCo All-Comers Track Meet Series #4
Jul 31, 2024
Valley 5000
Aug 17, 2024
Honey Bee Hustle
Sep 8, 2024
Long View Marathon
Oct 12, 2024
Narrowleaf Lake Run
Oct 27, 2024
Bell Ringer 4 Miler
Nov 9, 2024
Huffin' for Stuffin' 2-Mile Fun Run
Nov 28, 2024
Toy Drop
Dec 7, 2024
Nederland, CO
Ned Ned Run
Sep 9, 2023
Broomfield, CO
Jag Jog 5K
Sep 14, 2024
Miner Gold Rush
Sep 28, 2024
Runway 5K Run for the Angels
Sep 28, 2024
Broomfield Turkey Day 5K/10K
Nov 28, 2024
Vail, CO
Krueger Family Shamrock Shuffle
Mar 16, 2024
Mountain Games - Rocky Dog Trail Run
Jun 6, 2024
Mountain Games - Apres 5K
Jun 7, 2024
Mountain Games - 10K Spring Runoff
Jun 9, 2024
Mountain Games - Pepi's Face-Off
Jun 9, 2024
Vail HillClimb
Jul 6, 2024
Vail Recreation District 5K & 10K @ 10,000 Feet
Jul 20, 2024
Berry Picker Trail Run
Aug 3, 2024
Dynafit Half Marathon
Aug 17, 2024
Marble, CO
Lead King Loop Charity Race
Sep 15, 2024
Aspen, CO
Aspen Backcountry Marathon
Aug 5, 2023
America's Uphill
Mar 16, 2024
Aspen parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
Boogie's Buddy Race
Jul 4, 2024
Aspen Valley Marathon
Jul 13, 2024
Power of Four Trail Run
Jul 20, 2024
Golden Leaf Half Marathon
Sep 28, 2024
Highlands Ranch, CO
Q Man Classic
Aug 12, 2023
ThunderRidge Grizzly 2 Mile
Aug 19, 2023
BackCountry 5K
Sep 17, 2023
Highlands Ranch Turkey Day 5K
Nov 23, 2023
HRCA St. Patrick's Day 5K
Mar 23, 2024
HRCA Mother's Day 5K
May 11, 2024
Mountain Ridge Trail Race
Jun 1, 2024
Chase the Moon 12-Hour Endurance Run
Jul 19, 2024
Unicorn 5K South
Aug 3, 2024
HRCA Backcountry Wilderness Half Marathon
Nov 2, 2024
Highlands Ranch 5K
Feb 23, 2025
Littleton, CO
Cover Me 5K
Aug 27, 2023
Lions Roar 5K
Sep 17, 2023
Lookin For A Cure Denver
Sep 23, 2023
Second Wind Walk/Run
Sep 24, 2023
Get Your Rear in Gear - Denver Metro
Oct 7, 2023
The Stride
Oct 29, 2023
RMRR Trophy Series - February
Feb 4, 2024
Super Sunday Fun Run 5K
Feb 11, 2024
RMRR Trophy Series - March
Mar 3, 2024
Platte River Half Marathon
Apr 14, 2024
Rockin' on the River 5K
Apr 21, 2024
Colorado Friends of First Responders
May 11, 2024
Colorado Friends of First Responders Annual Run
May 11, 2024
Stepping Stone 5K
Jun 2, 2024
Unicorn 5K
Jun 8, 2024
Colorado Brewery Running Series
Jun 9, 2024
Colorado Coyotes One Mile Race
Jun 21, 2024
The 80s Run
Jun 22, 2024
Before The Fourth 5K
Jun 29, 2024
HRCA Independence Day 5K
Jul 4, 2024
Heritage Eagles 5K
Jul 20, 2024
Respect Life 5K
Jul 20, 2024
Pancake Stampede 5K
Aug 11, 2024
Colorado 6 Dot Dash
Aug 24, 2024
HRCA Oktoberfest 5K
Sep 14, 2024
Flyin' Lion 5K
Sep 15, 2024
Miles 4 Madison 5K
Sep 21, 2024
HRCA Wildcat Mountain Trail Races
Sep 28, 2024
Go Big or Go Gnome 5K
Oct 13, 2024
Gobble Wobble Run
Nov 21, 2024
Frisco, CO
Girls on the Run 5K
Nov 11, 2023
Mountain Goat Kids Trail Running Race
Jun 18, 2024
Jul 2, 2024
Jul 16, 2024
Jul 30, 2024
Run the Rockies Trail Race
Aug 10, 2024
Run the Rockies Half Marathon
Sep 21, 2024
Turkey Day 5K
Nov 28, 2024
Arvada, CO
Lisa Nelson's Mustang Stampede
Sep 16, 2023
Forge 5K
Sep 30, 2023
Strides for Sierra 5K
Oct 8, 2023
Ralston Creek Half Marathon
Feb 18, 2024
Beer Mile Trial Run
Mar 5, 2024
Hope House 5K & Fun Run
May 4, 2024
CMRA Tucker Lake 6.5 Mile
May 11, 2024
Miles for Smiles 5K
May 19, 2024
All-Out Summer Breeze
Jun 8, 2024
Father's Day Classic
Jun 16, 2024
All-Out Runapalooza
Aug 3, 2024
Colorado Brewery Running Series
Aug 10, 2024
Run With The Wolves
Sep 29, 2024
Apex Foundation Trick or Trot 5K
Oct 26, 2024
10K Turkey Trek & 5K Turkey Trot
Nov 23, 2024
Colorado Brewery Running Series
Nov 30, 2024
Resolute Runner 5K
Jan 1, 2025
All-Out Polar Prowl
Jan 11, 2025
Heart Throb 5K
Feb 15, 2025
All-Out Mardi Crawl
Feb 22, 2025
Spring Fling Prairie Dog Half
Apr 13, 2025
Ouray, CO
Ourayce - 10K
Jul 4, 2024
Mt. Sneffels Half Marathon & 10K
Aug 17, 2024
Imogene Pass Run
Sep 7, 2024
Ouray Mountain Trail Run
Sep 21, 2024
Estes Park, CO
Duck Waddle 5K
May 4, 2024
Estes Park Marathon
Jun 16, 2024
Jun 15, 2024
Longs Peak 5 Miler
Jun 15, 2024
Rocky Mountain Half Marathon
Aug 2, 2024
Aug 3, 2024
Rut Run 5K
Sep 28, 2024
Boulder, CO
West End Mile
Jun 22, 2023
East End 1 Mile
Jul 13, 2023
Mile High Mile
Jul 29, 2023
Transperfect Victory Lap 5K
Aug 19, 2023
Avery Brewing Company Oktoberfest 4K
Oct 1, 2023
Boulder XC Series Meet 1
Oct 14, 2023
Boulder XC Series Meet 2
Oct 28, 2023
Colleen De Reuck XC Classic
Nov 11, 2023
BRR Masters Invite Indoor Mile
Jan 13, 2024
The Day Quest - Flatirons Vista to Spring Brook
Mar 23, 2024
Boulder Rez Half
Apr 13, 2024
The Diabetes Link at CU 5K Run/Walk
Apr 13, 2024
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
Dash & Dine 5K Series
Apr 30, 2024
May 7, 2024
May 14, 2024
May 21, 2024
Boulder Mothers Day Run
May 12, 2024
BOLDERBoulder 10K
May 27, 2024
Boulder Stroke & Stride Series
May 30, 2024
Jun 5, 2024
Jun 13, 2024
Jun 20, 2024
5 more
BRR All Comers Summer Track and Field Series
Jun 6, 2024
Jun 20, 2024
Jul 18, 2024
Aug 1, 2024
Boulder Sunrise 10K and 5K
Jun 23, 2024
Buffs4Life Kyle MacIntosh Memorial Fun Run
Jun 23, 2024
Sunset Trail Running Festival
Jun 23, 2024
Colorado Brewery Running Series
Jun 30, 2024
Avery Brewing Company Four on the Fourth 4K
Jul 4, 2024
Boulder Rez Marathon
Aug 3, 2024
Pearl Street Mile
Aug 3, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulderthon: Downtown Boulder Marathon
Sep 29, 2024
Alpine Bank Boulder Thanksgiving Day 5K
Nov 28, 2024
ColderBOLDER
Dec 7, 2024
Lucky Leprechaun 5K
Mar 16, 2025
Copper Mountain, CO
Summit Up Trail Run
Sep 9, 2023
Leadville, CO
Leadville Turquoise Lake 20K
Jun 1, 2024
Fish Hatchery 5K
Jun 2, 2024
Leadville Trail Marathon & Heavy Half
Jun 29, 2024
Leadville Firecracker 5K
Jul 4, 2024
Leadville Silver Rush 50M Trail Run Race
Jul 6, 2024
Leadville 10K
Aug 11, 2024
Leadville Trail 100 Mile Run
Aug 17, 2024
Brighton, CO
Adams Half & 5K
Sep 17, 2023
The Day Quest - Fast 5K - Riverdale
Jan 8, 2024
Raptor Run
Apr 6, 2024
Five Star Fun Run and 5K
Apr 20, 2024
Blue Heron Half and 5K
Apr 21, 2024
Runs With Scissors Races
Apr 27, 2024
Adams County Foster Care 5K
May 4, 2024
I Can 5K with Deja Vu 10K
Jul 13, 2024
Barr Lake 30K and 15K
Jul 14, 2024
Gummball 5K
Oct 19, 2024
Breckenridge, CO
Breck Crest Mountain Marathon
Sep 3, 2023
Independence Day 10k Trail Run
Jul 4, 2024
Breckenridge Road Marathon
Oct 12, 2024
Fairplay, CO
Burro Buster 5K
Jul 4, 2024
Silverheels Trail Runs
Jul 12, 2024
Jul 13, 2024
Sheep Mountain Trail Runs
Aug 3, 2024
Lone Tree, CO
Bluffs 8K Trail Run
Aug 27, 2023
For a City 5K
Sep 16, 2023
Freedom 4 Miler
Jun 29, 2024
Morrison, CO
Beware the Bear Trail Races
Oct 15, 2023
RRCC Front Nine 5K
Sep 15, 2024
Run the Rocks
Oct 13, 2024
Great Trailhead Foot Race
Oct 19, 2024
Pagosa Springs, CO
Mountain Chile Cha Cha Trail Races
Sep 23, 2023
Halloween Hootenanny Monster Dash 5K
Oct 28, 2023
Pagosa Turkey Trot 5K
Nov 23, 2023
Ugly Sweaty Sweater 5K
Dec 16, 2023
Habitat Archuleta's 15 Homes in 5K
May 18, 2024
Fox on the Run Trail Races
Jul 20, 2024
Turkey Springs Showdown Trail Races
Aug 10, 2024
Alberta Peak Challenge
Sep 7, 2024
Snowmass Village, CO
Ragnar Trail Colorado
Jun 7, 2024
Colorado Brewery Running Series
Jun 14, 2024
Jun 15, 2024
Trinidad, CO
Healthy Kids Running Series
Apr 7, 2024
Apr 14, 2024
Apr 21, 2024
Apr 28, 2024
1 more
Huff and Puff 5K
Apr 20, 2024
Fishers Peak State Park Trail Race
Sep 14, 2024
The Rad Dirt Fest
Sep 28, 2024
Dead Man 5K Trail Run
Oct 5, 2024
Allenspark, CO
Run Like the Wind
Aug 31, 2024
Ridgway, CO
Ridgway Log Hill Hustle 5K/10K
Aug 25, 2024
John Wayne Grit Series
Sep 21, 2024
Ridgway 1K Rally Thru the Alley
Sep 29, 2024
Wheat Ridge, CO
Feed Your Soul Fund Turkey Trot
Nov 18, 2023
Colorado Brewery Running Series
Aug 17, 2024
Farmers 5000
Sep 15, 2024
Gunnison, CO
Sage Burner Trail Run
Oct 12, 2024
Palisade, CO
Just Peachy
Aug 10, 2024
Telluride, CO
Blisters & Brews 5K
Sep 14, 2023
Skidola, Telluride's Winter Uphill
Mar 14, 2024
Telluride Foundation Rundola: Run for Good
Jul 4, 2024
Box Canyon Trail Races
Jul 20, 2024
Imogene Pass Run
Sep 7, 2024
Deep Creek Trail Half Marathon
Sep 28, 2024
Pine, CO
Suffer Better Fall Trail Run
Oct 14, 2023
Running Up For Air - Staunton Rocks
Feb 24, 2024
Feb 25, 2024
North Fork 50M/50K
Jun 1, 2024
Staunton Rocks! Marathon & Half
Aug 24, 2024
Sawmill Trail Runs
Dec 7, 2024
Eldorado Springs, CO
Eldorado Springs Run for the Cure
Aug 15, 2024
Windsor, CO
Windsor Wiesn Mile and 5 Mile
Sep 23, 2023
Lucky Brew Race
Mar 16, 2024
Red, White and Brew 5K, 10K & Half Marathon
Jun 22, 2024
Windsor Marathon
Oct 6, 2024
Pelican Lakes Turkey Trot
Nov 28, 2024
Santa Catch 5K & 10K
Dec 14, 2024
Greenwood Village, CO
Selian 5K
Sep 16, 2023
That Dam Run
Mar 3, 2024
Salida, CO
Spiral Drive Run
Apr 20, 2024
Tails on the Trail
May 18, 2024
Christmas Mountain 5 Mile Run
Nov 29, 2024
Run Through Time Marathon
Mar 8, 2025
Lakewood, CO
Bark & Brew 5K
Sep 9, 2023
Tiger Prowl
Sep 10, 2023
West Side Best Side Cross Country Race
Oct 22, 2023
Yeti Chase 5K/10K
Jan 28, 2024
Ram Run 5K
Mar 30, 2024
Federal Cup 5K
May 4, 2024
GiGi's 5K
May 4, 2024
RMRR Trophy Series - July
Jul 7, 2024
Lakewood Trail Series
Sep 4, 2024
Sep 11, 2024
Sep 18, 2024
Sep 25, 2024
Bear Chase Race - Half Marathon & 10K
Sep 29, 2024
Sep 28, 2024
Turkey Trails
Nov 3, 2024
Canon City, CO
Royal Gorge Groove
Apr 20, 2024
Walk for Life/5K
Apr 20, 2024
runBlossom 5K
May 4, 2024
Royal Gorge Whitewater Festival Trail Runs
Jul 27, 2024
Wine Run 5K at Holy Cross Abbey
Sep 1, 2024
Bridge Burner Ultra
Nov 2, 2024
Commerce City, CO
Night Nation Run - Denver
Sep 28, 2024
Conifer, CO
Elevation Run/Walk
Jul 27, 2024
Palmer Lake, CO
YMCA Creepy Crawl 5K
Oct 28, 2023
DU Dash Colorado
Jun 9, 2024
4th of July Fun Run
Jul 4, 2024
24 Hours of Palmer Lake
Sep 28, 2024
Beaver Creek, CO
The bRUNch Trail Run
Sep 17, 2023
Summer Solstice
Jun 22, 2024
Monument, CO
Run4Hope 5K for Schools
Sep 21, 2024
Keystone, CO
Cirque Series - Arapahoe Basin
Sep 7, 2024
Fort Lupton, CO
Wicked Wine Run
Aug 24, 2024
Bayfield, CO
Bayfield Turkey Trot
Nov 23, 2023
Vallecito Lake Heavy Half
May 11, 2024
Bayfield Heritage Days 5K
Sep 28, 2024
Empire, CO
Devil on the Divide
Sep 7, 2024
Firestone, CO
Carbon Valley Half Marathon
May 11, 2024
Dumont, CO
Canine On the Creek
May 18, 2024
Fort Carson, CO
Ft. Carson Taco Trot
May 4, 2024
Northglenn, CO
Colorado Brewery Running Series
May 11, 2024
Beulah, CO
Beulah Challenge
Sep 21, 2024
Rifle, CO
Strut for Mutts
Apr 20, 2024
Byers, CO
BINGO! Trail Runs
Nov 9, 2024
Larkspur, CO
Greenland Trail Races
May 4, 2024
Pueblo West, CO
Baylon Michael Meyer 5K/10K Memorial Run
Apr 6, 2024
Mancos, CO
Mancos Cowboy Half Marathon
Oct 19, 2024
Minturn, CO
Meadowgold Trail Run
Sep 14, 2024
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 2024
Rye, CO
Escape 5K Trail Run
Aug 17, 2024
Alamosa, CO
Stephanie L. Miner 5K Walk and Run
Sep 16, 2023
Alamosa Veterans Memorial Park Race
Nov 4, 2023
Rio Frio 5K on Ice
Jan 27, 2024
La Veta, CO
Cuchara Trail Runs
Jun 15, 2024
Manassa, CO
Manassa Pioneer Days 5K
Jul 22, 2023
Fort Collins, CO
Be a Hero 5K
Aug 19, 2023
Beef Sticks for Backpacks 5K Run/Walk
Sep 24, 2023
Mustang Music 5K
Oct 14, 2023
Run Fur Fun 5K
Oct 28, 2023
Turkey Donut Predict Run
Nov 18, 2023
Fort Collins Thanksgiving Day Run
Nov 23, 2023
Sweaty Sweater 5K
Dec 9, 2023
Polar 5K & Polar Bear Plunge
Jan 20, 2024
Bacon Strip Races
Feb 25, 2024
Sharin' O' the Green 5K
Mar 16, 2024
CSU International Run for Relief 5K
Mar 23, 2024
Spring Equinox Races
Mar 24, 2024
Healthy Kids Running Series
Apr 27, 2024
May 4, 2024
May 18, 2024
May 25, 2024
1 more
Flying Pig 5K
Apr 28, 2024
Colorado Marathon
May 5, 2024
Quad Rock 50
May 11, 2024
Healing Warriors Program 5K Fun Run
May 19, 2024
Fire Hydrant 5K
Jun 1, 2024
StepUp For Women and Recovery
Jun 1, 2024
FireKracker 5K
Jul 4, 2024
Colorado Brewery Running Series
Jul 13, 2024
Wild West Relay
Aug 2, 2024
Lory Summer Trail Series
Aug 6, 2024
Aug 27, 2024
Aug 20, 2024
Aug 13, 2024
Choice City Running Festival - Mountain Avenue Mile & Human Race
Aug 10, 2024
Aug 9, 2024
Fall Equinox Marathon
Sep 22, 2024
Colorado Brewery Running Series
Oct 6, 2024
Long View Marathon
Oct 12, 2024
Blue Sky Trail Marathon
Oct 19, 2024
CSU Homecoming 5K
Oct 26, 2024
Colorado 24 Hour Run
Nov 2, 2024
Resolution Run 5K
Dec 31, 2024
Horsetooth Half Marathon
Apr 13, 2025
New Castle, CO
New Castle Dirty Dozen Trail Running Race
Aug 2, 2024
Pyro's Push It Up Trail Run
Aug 10, 2024
Frederick, CO
Miner's Day 5K
Sep 16, 2023
Crawford, CO
West Elk Challenge Trail Marathon
Oct 5, 2024
Four Corners Monument, CO
Four Corners Quad Keyah
Dec 7, 2024
Ignacio, CO
St. Ignatius 5K Run
Jul 29, 2023
Craig, CO
Flying Colors 5K
Aug 3, 2024
Air Force Academy, CO
Herstory is Now Fun Run
Mar 6, 2024
Nathrop, CO
Sawatch Ascent
Sep 29, 2024
Kremmling, CO
Mustang Mile
Jun 15, 2024
Grand Mesa, CO
Grand Mesa Ultras
Jul 27, 2024
Delta, CO
Pea Green Pedal and 5K
Jun 22, 2024
Mount Princeton, CO
High Lonesome 100
Jul 19, 2024
Red Feather Lakes, CO
Lederhosen Run
Sep 23, 2023
Onesie Dash
Dec 2, 2023
Red Feather Lakes 3.6 Mile Fun Run
Jul 6, 2024
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Severance, CO
Howl-O-Ween 5K
Oct 21, 2023
Great Western Trail Race
Apr 20, 2024
Severance Days 5K
Aug 24, 2024
Jamestown, CO
Calarat Challenge Trail Running Festival
Sep 3, 2023
Parachute, CO
5k Buck Fever Fun Run
Oct 21, 2023
Cheyenne Mountain State Park, CO
The Cheyenne Mountain Run
Aug 17, 2024
Hahns Peak Village, CO
Hahns Peak Vertical Trail Race
Jul 6, 2024
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City Location
Featured Listing
1. Fall Equinox Marathon
-
Sep 22, 2024Sunday
-
26.2M, 13.1M, 5M run
Virtual OptionMore Information
-
Boston Marathon Qualifier
-
Fort Collins, CO
Larimer County, CO
1. Six Pack Summer Series Westminster
-
Past DateJun 8, 2023Thursday
-
5K, 1M run
More Information
-
Westminster, CO
Adams County, COJefferson County, CO
2. Six Pack Summer Series Westminster
-
Past DateJun 15, 2023Thursday
-
5K, 2M run
More Information
-
Westminster, CO
Adams County, COJefferson County, CO
3. INFERNO Men: 5K Fatherhood Fun Run & Walk
-
Past DateJun 17, 2023Saturday
-
5K run
More Information
-
Colorado Springs, CO
El Paso County, CO
4. Too Hot to Trot 5K
-
Past DateJun 17, 2023Saturday
-
5K run
More Information
-
Greeley, CO
Weld County, CO
5. Six Pack Summer Series Westminster
-
Past DateJun 22, 2023Thursday
-
5K run
More Information
-
Westminster, CO
Adams County, COJefferson County, CO
6. West End Mile
-
Past DateJun 22, 2023Thursday
-
1M run | kids run
More Information
-
Boulder, CO
Boulder County, CO
7. Denver Twilight 5000 (Race 1)
-
Past DateJun 29, 2023Thursday
-
5K run
More Information
-
Denver, CO
Denver County, CO
8. Six Pack Summer Series Westminster
-
Past DateJun 29, 2023Thursday
-
4M, 5K run
More Information
-
Westminster, CO
Adams County, COJefferson County, CO
9. Freedom Run 5K
-
Past DateJul 4, 2023Tuesday
-
5K run
More Information
-
Evergreen, CO
Jefferson County, CO
10. Niwot Mile
-
Past DateJul 4, 2023Tuesday
-
1M run
More Information
-
Niwot, CO
Boulder County, CO
11. Parker July 4th 5K
-
Past DateJul 4, 2023Tuesday
-
5K run
More Information
-
Parker, CO
Douglas County, CO
12. East End 1 Mile
-
Past DateJul 13, 2023Thursday
-
1M run | kids run
More Information
-
Boulder, CO
Boulder County, CO
13. Six Pack Summer Series Westminster
-
Past DateJul 13, 2023Thursday
-
5M, 5K run
More Information
-
Westminster, CO
Adams County, COJefferson County, CO
14. Storm the Castle
-
CancelledJul 15, 2023Saturday
-
13.1M trail run
Virtual OptionMore Information
- Guffey, CO
15. 5K To Fight Histio
-
Past DateJul 16, 2023Sunday
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5K run
More Information
-
Colorado Springs, CO
El Paso County, CO
16. Six Pack Summer Series Westminster
-
Past DateJul 20, 2023Thursday
-
10K, 5K run
More Information
-
Westminster, CO
Adams County, COJefferson County, CO
17. Manassa Pioneer Days 5K
-
Past DateJul 22, 2023Saturday
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5K run
More Information
-
Manassa, CO
Conejos County, CO
18. Tracy Vsetecka Memorial 5K
-
Past DateJul 22, 2023Saturday
-
5K run
More Information
-
Colorado Springs, CO
El Paso County, CO
19. Mile High Mile
-
Past DateJul 29, 2023Saturday
-
1M run
More Information
-
Boulder, CO
Boulder County, CO
20. Pancakes for PDCD 5K/10K
-
Past DateJul 29, 2023Saturday
-
10K, 5K run
Virtual OptionMore Information
-
Centennial, CO
Arapahoe County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.