August Half Marathons in the West
Liberty, UT
Skyline Mountain Marathon
Aug 12, 2023
Sausalito, CA
Rodeo Valley Trail Run
Aug 3, 2024
Redmond, WA
Summer Blast at Redmond Watershed
Aug 24, 2024
Provo, UT
Not Your Grandma's Marathon
Aug 24, 2024
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 3, 2024
Fremont, CA
Beer City Slam
Aug 17, 2024
Anchorage, AK
Anchorage RunFest
Aug 18, 2024
Aug 17, 2024
Tiburon, CA
Angel Island Half Marathon
Aug 10, 2024
Bend, OR
Haulin' Aspen
Aug 10, 2024
Fountain Valley, CA
Hotter than Hades Hustle Half Marathon
Aug 17, 2024
Santa Rosa, CA
Santa Rosa Marathon
Aug 25, 2024
Aug 24, 2024
Colorado Springs, CO
Hometown Half Marathon
Aug 10, 2024
San Jose, CA
Almaden Hills Trail Run
Aug 17, 2024
Coos Bay, OR
Sunset Bay Trail Runs
Aug 24, 2024
Durango, CO
Thirsty 13 Half Marathon
Aug 24, 2024
Idaho Springs, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Issaquah, WA
Half Sam
Aug 18, 2024
Park City, UT
Park City Trail Series
Jun 1, 2024
Jul 13, 2024
Aug 3, 2024
Park City Half Marathon
Aug 24, 2024
Seattle, WA
Magnuson Series - Summer Spirit Run
Aug 31, 2024
Santa Monica, CA
Monsters of the Deep Half Marathon
Aug 3, 2024
Endless Summer - 5K, 10K, and Half Marathon
Aug 10, 2024
Summer Dash Half Marathon
Aug 18, 2024
Georgetown, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Steamboat Springs, CO
Emerald Mountain Epic
Aug 4, 2024
Red Lodge, MT
Nitty Gritty Off Road Race
Aug 17, 2024
Winter Park, CO
Byers Peak Stampede
Aug 24, 2024
Los Gatos, CA
ICC Sevathon
Aug 25, 2024
Tacoma, WA
Tacoma Narrows Half Marathon
Aug 10, 2024
Erie, CO
Erie Half & 5K
Aug 18, 2024
Vail, CO
Dynafit Half Marathon
Aug 17, 2024
Kirkwood, CA
Kirkwood's Ultras
Aug 3, 2024
San Francisco, CA
Lake Merced Half Marathon
Aug 11, 2024
San Francisco Giant Race
Aug 18, 2024
Las Vegas, NV
Three Degrees of Hell
Aug 3, 2024
Lafayette, CA
Bear Creek
Aug 10, 2024
Aspen, CO
Aspen Backcountry Marathon
Aug 5, 2023
Frisco, CO
Run the Rockies Trail Race
Aug 10, 2024
Truckee, CA
Truckee Half Marathon
Aug 3, 2024
Green River, WY
Run With the Horses Marathon
Aug 17, 2024
Pollock Pines, CA
Trail Run at Sly Park Lake
Aug 24, 2024
Aug 25, 2024
San Diego, CA
America's Finest City Half Marathon & 5K
Aug 18, 2024
Long Beach, CA
Howl at the Moon Half Marathon
Aug 11, 2024
Long Beach Half Marathon
Aug 11, 2024
One Love Unified Hearts Run - 5K, 10K, 10 Miler, and Half Marathon
Aug 24, 2024
Summer Day Half Marathon
Aug 31, 2024
Seeley Lake, MT
Bob Marshall Trail Race
Aug 17, 2024
Aug 18, 2024
Arvada, CO
All-Out Runapalooza
Aug 3, 2024
Estes Park, CO
Rocky Mountain Half Marathon
Aug 2, 2024
Aug 3, 2024
Boulder, CO
Boulder Rez Marathon
Aug 3, 2024
Pocatello, ID
Pocatello Marathon
Aug 31, 2024
Oakland, CA
Redwood (Summer) Trail Run
Aug 10, 2024
Everett, WA
Pirate 5K, 10K, & Half Marathon
Aug 19, 2023
Pirate 1M, 5K, 10K, 15K, & Half Marathon
Aug 3, 2024
Viking 1M, 5K, 10K, 15K, & Half Marathon
Aug 17, 2024
Castro Valley, CA
Skyline 50K
Aug 4, 2024
North Plains, OR
ORRC Garlic Festival Half Marathon
Aug 3, 2024
Camarillo, CA
Camarillo Marathon
Aug 4, 2024
Fairplay, CO
Sheep Mountain Trail Runs
Aug 3, 2024
Pagosa Springs, CO
Turkey Springs Showdown Trail Races
Aug 10, 2024
Cle Elum, WA
Suncadia Half and 5K
Aug 12, 2023
Hood River, OR
Post Canyon Trail Half Marathon
Aug 17, 2024
Mapleton, UT
Hobble Creek Half Marathon
Aug 3, 2024
San Leandro, CA
Summer Breeze Half Marathon
Aug 3, 2024
Herriman, UT
Butterfield Canyon Half Marathon
Aug 17, 2024
Felton, CA
Santa Cruz Trail Run
Aug 24, 2024
University Place, WA
Twilight at the Bay
Aug 17, 2024
Gig Harbor, WA
Galloping Gertie Half Marathon
Aug 3, 2024
Providence, UT
Top of Utah Half Marathon
Aug 24, 2024
Brian Head, UT
Cedar Breaks at Night
Aug 25, 2023
Phoenix, OR
Stagecoach Run
Aug 31, 2024
North Bend, WA
Iron Horse Half Marathon
Aug 25, 2024
Cascade Locks, OR
Bridge of the Gods Run
Aug 4, 2024
Morgan, UT
East Canyon Marathon
Aug 31, 2024
Union, OR
Catherine Creek Classic
Aug 3, 2024
Coupeville, WA
Race the Reserve Whidbey Island
Aug 10, 2024
Shaver Lake, CA
SAR Wild Run
Aug 11, 2024
Exeter, CA
Hell of a Half Marathon
Aug 3, 2024
Eureka, CA
Humboldt Bay Marathon
Aug 11, 2024
Welches, OR
Huckleberry Running Festival
Aug 3, 2024
Riverdale, UT
Path to Opioid Prevention
Aug 24, 2024
Anaconda, MT
Smelter City Scamper
Aug 10, 2024
Greenough, MT
Canine Classic at Paws Up
Aug 25, 2024
Fort Collins, CO
Choice City Running Festival - Mountain Avenue Mile & Human Race
Aug 10, 2024
Aug 9, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. All-Out Runapalooza
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
Jefferson County, CO
2. Beaver Canyon Half Marathon and 10K
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Aug 3, 2024Saturday
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13.1M, 10K run
More Information
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Boston Marathon Qualifier
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Beaver, UT
Beaver County, UT
3. Boulder Rez Marathon
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Aug 3, 2024Saturday
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26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
More Information
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Boulder, CO
Boulder County, CO
4. Catherine Creek Classic
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Aug 3, 2024Saturday
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13.1M, 5K, 1M run
More Information
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Union, OR
Union County, OR
5. Galloping Gertie Half Marathon
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Gig Harbor, WA
Pierce County, WA
6. Hell of a Half Marathon
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Aug 3, 2024Saturday
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13.1M run | 13.1M relay
Virtual OptionMore Information
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Exeter, CA
Tulare County, CA
7. Hobble Creek Half Marathon
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Aug 3, 2024Saturday
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13.1M run
More Information
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Mapleton, UT
Utah County, UT
8. Huckleberry Running Festival
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Aug 3, 2024Saturday
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13.1M, 15K, 10K, 5K run
More Information
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Welches, OR
Clackamas County, OR
9. HURL Elkhorn Endurance Runs
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Aug 3, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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Montana City, MT
Jefferson County, MT
10. Kirkwood's Ultras
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CancelledAug 3, 2024Saturday
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50K, 26.2M, 30K, 25K, 13.1M, 8M, 10K, 5K trail run
More Information
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Kirkwood, CA
El Dorado County, CA
11. Monsters of the Deep Half Marathon
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Aug 3, 2024Saturday
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13.1M, 15K, 10K, 5K run
More Information
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Santa Monica, CA
Los Angeles County, CA
12. Ninja 1M, 5K, 10K, 15K, and Half Marathon
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Aug 3, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
More Information
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Olympia, WA
Thurston County, WA
13. ORRC Garlic Festival Half Marathon
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
More Information
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North Plains, OR
Washington County, OR
14. Park City Trail Series
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Aug 3, 2024Saturday
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13.1M trail run
Virtual OptionMore Information
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Park City, UT
Summit County, UT
15. Pirate 1M, 5K, 10K, 15K, & Half Marathon
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Aug 3, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
More Information
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Everett, WA
Snohomish County, WA
16. Pirate 1M, 5K, 10K, 15K, & Half Marathon
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Aug 3, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
More Information
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Yakima, WA
Yakima County, WA
17. Rocky Mountain Half Marathon
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Aug 3, 2024Saturday
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13.1M run
More Information
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Estes Park, CO
Larimer County, CO
18. Rodeo Valley Trail Run
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Aug 3, 2024Saturday
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50K, 30K, 13.1M, 8K trail run
More Information
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Sausalito, CA
Marin County, CA
19. Runtastic Heber Run for Autism
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Aug 3, 2024Saturday
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13.1M, 5K run | kids run
More Information
- Heber, UT
20. Sheep Mountain Trail Runs
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Aug 3, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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Fairplay, CO
Park 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.