May Ultras within 400 miles of Brighton, CO
City Location
1. Collegiate Peaks Trail Run
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May 3, 2025Saturday
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50M, 25M trail run
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Buena Vista, CO
106 miles point to pointChaffee County, CO
2. Glorieta 12 Hour Run/Ruck
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May 3, 2025Saturday
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12H trail run
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Glorieta, NM
308 miles point to pointSanta Fe County, NM
3. Greenland Trail Races
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May 3, 2025Saturday
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50K, 25K, 8M, 4M trail run
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Larkspur, CO
53 miles point to pointDouglas County, CO
4. Jemez Mountain Trail Runs
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May 10, 2025Saturday
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50M, 50K, 15M trail run
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Los Alamos, NM
294 miles point to pointLos Alamos County, NM
5. Valkyrie Trail Race
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May 10, 2025Saturday
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50K, 26.2M, 30K, 13.1M, 8M, 4M trail run
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Colorado Springs, CO
79 miles point to pointEl Paso County, CO
6. Quad Rock 50
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Past DateMay 11, 2024Saturday
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50M, 25M trail run
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Fort Collins, CO
44 miles point to pointLarimer County, CO
7. Butterfield Backyard Ultra
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May 17, 2025Saturday
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24H, 12H trail run
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Herriman, UT
384 miles point to pointSalt Lake County, UT
8. Endure Trail Runs
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May 17, 2025Saturday
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24H, 12H, 13.1M, 10K trail run
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Divide, CO
74 miles point to pointTeller County, CO
9. Ram Party
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May 17, 2025Saturday
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55M, 60K, 50K, 24K, 15K trail run
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Colorado Springs, CO
79 miles point to pointEl Paso County, CO
10. Samson's Revenge Trail Race
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May 17, 2025Saturday
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55K, 27K, 10K trail run
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Estes Park, CO
46 miles point to pointLarimer County, CO
11. The Ol' College Try 24 Hour Ultra
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May 24, 2025Saturday
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24H, 12H, 6H run
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Denver, CO
19 miles point to pointDenver County, CO
12. Weld Your Mettle Ultra Marathon
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May 24, 2025Saturday
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24H, 12H, 9H, 6H, 3H, 7K run | kids run
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Eaton, CO
38 miles point to pointWeld County, CO
13. Honor the Fallen Ruck/Run
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Past DateMay 26, 2024Sunday
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24H run
Virtual OptionMore Information
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Eagle Mountain, UT
382 miles point to pointUtah County, UT
14. Wyoming Marathon Races
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Past DateMay 26, 2024Sunday
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50K, 26.2M, 13.1M, 5K trail run
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Laramie, WY
100 miles point to pointAlbany County, WY
15. Running Up For Air - RUFA Kyhv Peak
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May 30, 2025Friday
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24H trail run
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Provo, UT
363 miles point to pointUtah County, UT
16. North Fork 50M/50K
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May 31, 2025Saturday
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50M, 50K trail run
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Pine, CO
48 miles point to pointJefferson County, CO
17. Running Up For Air - RUFA Kyhv Peak
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May 31, 2025Saturday
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12H, 6H trail run
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Provo, UT
363 miles point to pointUtah 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.