October Half Marathons in the West
Morgan Hill, CA
Rancho Hills Trail Run
Oct 5, 2024
Cool, CA
Heart of Cool
Oct 20, 2024
Redding, CA
Lions Turtle Bay Run
Oct 6, 2024
Pasco, WA
Dia de los Muertos Run
Oct 28, 2023
Kodiak, AK
KMXT Run the Rock
Oct 14, 2023
San Rafael, CA
Marin County Half Marathon
Oct 27, 2024
Leavenworth, WA
Leavenworth Marathon
Oct 5, 2024
Fairbanks, AK
HooDoo Half Marathon
Oct 5, 2024
Farmington, UT
Howloween Half Marathon
Oct 26, 2024
Sacramento, CA
Urban Cow Half Marathon
Oct 6, 2024
Oct 5, 2024
Kirkland, WA
Lake Washington Half Marathon
Oct 19, 2024
Fall Freakin Fun Run (Marathon, Half Marathon & 50K)
Oct 26, 2024
Medford, OR
Rogue Marathon
Oct 12, 2024
Port Townsend, WA
Larry Scott Run
Oct 14, 2023
Clarkston, WA
Lewis and Clark Half Marathon
Oct 14, 2023
Saint George, UT
St. George Marathon
Oct 5, 2024
Fountain Valley, CA
Halloween Havoc Half Marathon
Oct 26, 2024
Washougal, WA
Scary Run
Oct 27, 2024
Incline Village, NV
Tahoe Flume Trail Fall Classic
Oct 7, 2023
Riverside, CA
Mission Inn Run
Oct 20, 2024
Colorado Springs, CO
Spooky Sprint - Colorado Springs
Oct 6, 2024
San Jose, CA
Rock 'n' Roll San Jose
Oct 6, 2024
Oct 5, 2024
Mt. Umunhum Trail Conquest
Oct 12, 2024
ZombieRunner Halloween
Oct 26, 2024
Olympia, WA
Haunted 5K, 10K, and Half Marathon
Oct 28, 2023
Ninja 1M, 5K, 10K, 15K, and Half Marathon
Oct 12, 2024
Salt Lake City, UT
Runtastic Haunted - Salt Lake City
Oct 19, 2024
Moscow, ID
Moscow Mountain Madness
Oct 6, 2024
Burlington, WA
Skagit Flats Marathon
Oct 1, 2023
Bakersfield, CA
Judgment Day Half Marathon
Oct 6, 2024
South Lake Tahoe, CA
Lake Tahoe Marathon Weekend
Oct 20, 2024
Oct 18, 2024
Oct 19, 2024
Vancouver, WA
Girlfriends Run for a Cure
Oct 13, 2024
Chico, CA
Fleet Feet Fall Classic
Oct 20, 2024
Seattle, WA
Salty Half
Oct 21, 2023
Syracuse, UT
Antelope Island Marathon
Oct 11, 2024
Santa Monica, CA
Hallo-Thanks-Mas Half Marathon
Oct 19, 2024
Golden, CO
All-Out Kooky-Spooky
Oct 27, 2024
Walnut Creek, CA
Diablo Summit Stomp
Oct 19, 2024
Westminster, CO
Spooky Sprint - Denver
Oct 5, 2024
Westy Half & 5K
Oct 13, 2024
Red Lodge, MT
Back Roads Half and 10K
Oct 6, 2024
Santa Clarita, CA
Jeepers Creepers Run
Oct 13, 2024
Coeur d'Alene, ID
Halloween Hustle Half Marathon, and 5K
Oct 27, 2024
Weott, CA
Humboldt Redwoods Marathon
Oct 13, 2024
Los Angeles, CA
Griffith Park Trail Run
Oct 1, 2023
Castle Rock, CO
Castle Rock Trail Festival
Oct 5, 2024
Yakima, WA
Haunted 5K, 10K, and Half Marathon
Oct 7, 2023
Pirate 1M, 5K, 10K, 15K, & Half Marathon
Oct 5, 2024
Loveland, CO
Long View Marathon
Oct 12, 2024
Napa, CA
Napa Half Marathon
Oct 6, 2024
Reno, NV
Rock Reno Half Marathon
Oct 1, 2023
Spokane, WA
Spokane Marathon
Oct 13, 2024
Boise, ID
City of Trees Marathon
Oct 12, 2024
Casper, WY
Half Town Half
Oct 28, 2023
Snohomish, WA
Snohomish River Run
Oct 13, 2024
San Francisco, CA
Pinkathon Challenge for Breast Cancer
Oct 19, 2024
Paso Robles, CA
Paso Robles Wine Country Runs Half Marathon & 10K
Oct 29, 2023
Las Vegas, NV
Twilight Red Rock
Oct 19, 2024
Trail of Terror
Oct 26, 2024
Bountiful, UT
Mueller Trail Half Marathon
Oct 14, 2023
Pasadena, CA
Pasadena Trail Half Marathon
Oct 20, 2024
Lone Pine, CA
John Wayne Grit Series
Oct 19, 2024
Pollock Pines, CA
Trail Run at Sly Park
Oct 26, 2024
Auburn, CA
The Auburn Half Marathon
Oct 5, 2024
Calistoga, CA
Napa Wine Country Marathon
Oct 26, 2024
Walla Walla, WA
Falla Walla Half Marathon
Oct 12, 2024
San Diego, CA
Pacific Beach Half Marathon
Oct 5, 2024
Crown Point Half and Marathon Relay
Oct 27, 2024
Long Beach, CA
Witch's Wisker Half Marathon
Oct 29, 2023
Long Beach Marathon
Oct 6, 2024
Oct 5, 2024
Night of the Living Runners Half Marathon
Oct 12, 2024
Ghostly Gallup - National Ghost Hunting Day Run
Oct 20, 2024
Juneau, AK
Halloween Half
Oct 26, 2024
Helena, MT
Just For The Helena Of It
Oct 20, 2024
Oakland, CA
Oakland Hills Trail Run
Oct 26, 2024
Breckenridge, CO
Breckenridge Road Marathon
Oct 12, 2024
Everett, WA
Haunted 5K, 10K, and Half Marathon
Oct 21, 2023
Pirate 1M, 5K, 10K, 15K, & Half Marathon
Oct 5, 2024
Viking 1M, 5K, 10K, 15K, & Half Marathon
Oct 19, 2024
Modesto, CA
Peace Officer Memorial Run
Oct 6, 2024
Simi Valley, CA
Fredrick Michael Gibson Half Marathon
Oct 14, 2023
Whitefish, MT
Whitefish Trail Legacy Run
Oct 6, 2024
Oct 5, 2024
Windsor, CO
Windsor Marathon
Oct 6, 2024
Sundance, WY
Center of the Nation Series - Day 3
Oct 2, 2024
Susanville, CA
Bizz Johnson
Oct 13, 2024
Oct 12, 2024
Hood River, OR
Columbia Gorge Marathon and Half
Oct 20, 2024
Sisters, OR
Happy Girls Sisters
Oct 26, 2024
San Leandro, CA
Look Good Feel Good Race
Oct 5, 2024
Fort Bragg, CA
Noyo Headlands Race
Oct 28, 2023
Poulsbo, WA
Poulsbo Half Marathon
Oct 5, 2024
Half Moon Bay, CA
Pumpkin Run
Oct 15, 2023
Sandy, UT
Dimple Dell Half Marathon
Oct 12, 2024
North Bend, WA
Middle Fork Trail Run
Oct 7, 2023
Cascade Locks, OR
Angel's Rest
Oct 12, 2024
Cloverdale, CA
Cloverdale Vineyard Races
Oct 20, 2024
Ketchum, ID
Legends Never Die
Oct 12, 2024
Coloma, CA
California Gold Rush Trail Run
Oct 19, 2024
Escalante, UT
Escalante Canyons Marathon
Oct 12, 2024
Cambridge, ID
Rush Creek Stampede
Oct 7, 2023
Mancos, CO
Mancos Cowboy Half Marathon
Oct 19, 2024
Agua Dulce, CA
Spacerock Trail Race
Oct 5, 2024
Hayden Lake, ID
Hayden Lake Marathon
Oct 12, 2024
Union Creek, OR
Rogue Gorge
Oct 19, 2024
Oct 20, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Griffith Park Trail Run
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Past DateOct 1, 2023Sunday
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13.1M, 11K trail run | kids run
More Information
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Los Angeles, CA
Los Angeles County, CA
2. Rock Reno Half Marathon
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Past DateOct 1, 2023Sunday
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13.1M, 10K, 5K run
More Information
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Reno, NV
Washoe County, NV
3. Skagit Flats Marathon
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Past DateOct 1, 2023Sunday
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26.2M, 13.1M, 5M run
More Information
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Boston Marathon Qualifier
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Burlington, WA
Skagit County, WA
4. Center of the Nation Series - Day 3
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Oct 2, 2024Wednesday
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26.2M, 13.1M run
More Information
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Sundance, WY
Crook County, WY
5. Arches Marathon
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Oct 5, 2024Saturday
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50K, 26.2M, 13.1M, 15K trail run
More Information
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Moab, UT
Grand County, UT
6. Castle Rock Trail Festival
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Oct 5, 2024Saturday
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50K, 13.1M, 10K, 5K trail run
More Information
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Castle Rock, CO
Douglas County, CO
7. Center of the Nation Series - Day 6
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Oct 5, 2024Saturday
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26.2M, 13.1M run
More Information
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Baker, MT
Fallon County, MT
8. Girdwood Marathon
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Oct 5, 2024Saturday
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26.2M, 13.1M run | kids run
More Information
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Anchorage, AK
Anchorage County, AK
9. HooDoo Half Marathon
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Oct 5, 2024Saturday
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13.1M run
More Information
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Fairbanks, AK
Fairbanks North Star County, AK
10. Leavenworth Marathon
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Oct 5, 2024Saturday
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26.2M, 13.1M run
More Information
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Boston Marathon Qualifier
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Leavenworth, WA
Chelan County, WA
11. Look Good Feel Good Race
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Oct 5, 2024Saturday
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26.2M, 13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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San Leandro, CA
Alameda County, CA
12. Pacific Beach Half Marathon
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Oct 5, 2024Saturday
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13.1M, 5K run
More Information
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San Diego, CA
San Diego County, CA
13. Pirate 1M, 5K, 10K, 15K, & Half Marathon
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Oct 5, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
More Information
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Everett, WA
Snohomish County, WA
14. Pirate 1M, 5K, 10K, 15K, & Half Marathon
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Oct 5, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
More Information
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Yakima, WA
Yakima County, WA
15. Poulsbo Half Marathon
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Oct 5, 2024Saturday
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13.1M, 10K run
More Information
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Poulsbo, WA
Kitsap County, WA
16. Rancho Hills Trail Run
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Oct 5, 2024Saturday
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30K, 13.1M, 8M, 10K, 5K trail run
More Information
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Morgan Hill, CA
Santa Clara County, CA
17. Rim to Rim Royal Gorge Races
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Oct 5, 2024Saturday
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13.1M, 8M, 5K trail run
Virtual OptionMore Information
- Canon City, CO
18. Spacerock Trail Race
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Oct 5, 2024Saturday
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13.1M, 15K, 10K, 5K trail run
More Information
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Agua Dulce, CA
Los Angeles County, CA
19. Spooky Sprint - Denver
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Oct 5, 2024Saturday
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13.1M, 10K, 5K, 1M run | kids run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
20. St. George Marathon
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Oct 5, 2024Saturday
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26.2M, 13.1M run | kids run
More Information
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Boston Marathon Qualifier
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Saint George, UT
Washington County, UT
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.