May Races within 500 miles of Preston, ID on Sundays
Longmont, CO
Frank Shorter Track Classic
May 12, 2024
Flagstaff, AZ
Healthy Kids Running Series
Apr 21, 2024
Apr 28, 2024
May 12, 2024
May 19, 2024
1 more
Denver, CO
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
May 5, 2024
May 19, 2024
1 more
Colorado Brewery Running Series
May 5, 2024
RMRR Trophy Series - May
May 5, 2024
Mothers Day 5K
May 12, 2024
Denver Colfax Marathon
May 19, 2024
May 18, 2024
Colorado Springs, CO
Ram Party
May 18, 2024
May 19, 2024
Run to the Shrine
May 18, 2024
May 19, 2024
Aurora, CO
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
Durango, CO
Narrow Gauge 10 Mile
May 26, 2024
Fruita, CO
Fruita Trail Half
May 12, 2024
Buena Vista, CO
Spirit Trail Run
May 26, 2024
Westminster, CO
Colorado Women's Classic - Westminster
May 12, 2024
Coeur d'Alene, ID
Coeur d'Alene Marathon
May 26, 2024
Laramie, WY
Wyoming Marathon Races
May 26, 2024
Pueblo, CO
Ordinary Mortals Triathlon
May 18, 2025
Reno, NV
Moms on the Run
May 12, 2024
Boise, ID
Sharon's Ride.Run.Walk
May 5, 2024
Kalispell, MT
Girls On The Run SuperStar 5K
May 19, 2024
Rapid City, SD
Mental Health and Sexual Assault Awareness and Prevention Month 5K
May 5, 2024
CHM Teacher Trot
May 19, 2024
Arvada, CO
Miles for Smiles 5K
May 19, 2024
Boulder, CO
Boulder Mothers Day Run
May 12, 2024
Missoula, MT
Blue Mountain 30K
May 19, 2024
Eagle Mountain, UT
Honor the Fallen Ruck/Run
May 26, 2024
Crow Agency, MT
Say Their Names Marathon and Marathon Relay
May 5, 2024
Hyattville, WY
Hyattville Cowboy Carnival 5K and Kids K
May 26, 2024
Juliaetta, ID
Rivaura Rose River Run
May 12, 2024
Halfway, OR
Halfway Half Marathon & 10K
May 5, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
1. Altitude Elementary Moose Mudder
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May 5, 2024Sunday
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5K, 1K run
More Information
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Aurora, CO
408 miles point to pointArapahoe County, CO
2. Colorado Brewery Running Series
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May 5, 2024Sunday
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5K run
More Information
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Denver, CO
400 miles point to pointDenver County, CO
3. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Fort Collins, CO
375 miles point to pointLarimer County, CO
4. Grizzly Peak Mental Health Run
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May 5, 2024Sunday
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5K run
More Information
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Billings, MT
311 miles point to pointYellowstone County, MT
5. Halfway Half Marathon & 10K
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May 5, 2024Sunday
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13.1M, 10K run
More Information
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Halfway, OR
338 miles point to pointBaker County, OR
6. Healthy Kids Running Series - Boise
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May 5, 2024Sunday
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kids run
More Information
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Eagle, ID
262 miles point to pointAda County, ID
7. Healthy Kids Running Series - Denver
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May 5, 2024Sunday
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kids run
More Information
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Denver, CO
400 miles point to pointDenver County, CO
8. Healthy Kids Running Series - Aurora
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May 5, 2024Sunday
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kids run
More Information
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Aurora, CO
408 miles point to pointArapahoe County, CO
9. Healthy Kids Running Series - Flagstaff
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May 5, 2024Sunday
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kids run
More Information
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Flagstaff, AZ
477 miles point to pointCoconino County, AZ
10. Lilac Bloomsday Run
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May 5, 2024Sunday
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12K run
More Information
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Spokane, WA
479 miles point to pointSpokane County, WA
11. Mental Health and Sexual Assault Awareness and Prevention Month 5K
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May 5, 2024Sunday
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5K run
Virtual OptionMore Information
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Rapid City, SD
478 miles point to pointPennington County, SD
12. RMRR Trophy Series - May
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May 5, 2024Sunday
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5M, 5K run
More Information
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Denver, CO
400 miles point to pointDenver County, CO
13. Say Their Names Marathon and Marathon Relay
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May 5, 2024Sunday
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26.2M run | 26.2M relay
More Information
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startBusby, MT353 miles point to pointfinishCrow Agency, MT337 miles point to pointBig Horn County, MTBig Horn County, MT
14. Say Their Names Marathon and Marathon Relay
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May 5, 2024Sunday
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26.2M run | 26.2M relay
More Information
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startBusby, MT353 miles point to pointfinishCrow Agency, MT337 miles point to pointBig Horn County, MTBig Horn County, MT
15. Sharon's Ride.Run.Walk
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May 5, 2024Sunday
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5K, 1M run
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Boise, ID
252 miles point to pointAda County, ID
16. Super Mom Half Marathon
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May 5, 2024Sunday
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13.1M, 10K, 5K run
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Las Vegas, NV
444 miles point to pointClark County, NV
17. Bee-utiful Sunflower Run
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May 12, 2024Sunday
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10K, 5K run
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Las Vegas, NV
444 miles point to pointClark County, NV
18. Boulder Mothers Day Run
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May 12, 2024Sunday
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13.1M, 10K, 5K trail run
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Boulder, CO
378 miles point to pointBoulder County, CO
19. Colorado Women's Classic - Westminster
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May 12, 2024Sunday
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10M, 10K, 5K run | kids run
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Women Only
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Westminster, CO
395 miles point to pointAdams County, COJefferson County, CO
20. Frank Shorter Track Classic
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May 12, 2024Sunday
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track meet
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Longmont, CO
383 miles point to pointBoulder 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.