August Ultras within 500 miles of Absarokee, MT
City Location
1. Sheep Mountain Trail Runs
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Aug 2, 2025Saturday
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50M, 50K, 13.1M trail run
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Fairplay, CO
472 miles point to pointPark County, CO
2. Wild West Relay
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Past DateAug 2, 2024Friday
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200M relay
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startFort Collins, CO412 miles point to pointfinishSteamboat Springs, CO375 miles point to pointRoutt County, COLarimer County, CO
3. HURL Elkhorn Endurance Runs
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Past DateAug 3, 2024Saturday
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50M, 50K, 13.1M trail run
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Montana City, MT
149 miles point to pointJefferson County, MT
4. Kat'cina Mosa 100K Mountain Run
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Past DateAug 3, 2024Saturday
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100K trail run
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Springville, UT
388 miles point to pointUtah County, UT
5. Yellowstone Trail Race
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Past DateAug 3, 2024Saturday
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50K, 25K, 10K run | trail run
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West Yellowstone, MT
106 miles point to pointGallatin County, MT
6. Yellowstone Trail Race
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Past DateAug 4, 2024Sunday
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50K, 25K, 10K run | trail run
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West Yellowstone, MT
106 miles point to pointGallatin County, MT
7. Swift Bear Trail Run
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Aug 9, 2025Saturday
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50K, 20M, 10M trail run
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Hays, MT
175 miles point to pointBlaine County, MT
8. Elkhorn Relay
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Past DateAug 10, 2024Saturday
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82.2M relay
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La Grande, OR
458 miles point to pointUnion County, OR
9. Mountain Madness
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Past DateAug 10, 2024Saturday
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50M run | 50M relay
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Vernal, UT
350 miles point to pointUintah County, UT
10. Prospector's 50K
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Past DateAug 10, 2024Saturday
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50K trail run
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Cooke City, MT
43 miles point to pointPark County, MT
11. Skyline Mountain Marathon
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Past DateAug 10, 2024Saturday
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55K, 26.2M, 30K, 13.1M trail run
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Eden, UT
317 miles point to pointWeber County, UT
12. The Divide Trail Race
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Past DateAug 10, 2024Saturday
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50K, 25K trail run
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Butte, MT
167 miles point to pointSilver Bow County, MT
13. The Divide Trail Race
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Past DateAug 11, 2024Sunday
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50K, 25K trail run
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Butte, MT
167 miles point to pointSilver Bow County, MT
14. TransRockies Run
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Past DateAug 12, 2024Monday
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120M trail run
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Buena Vista, CO
494 miles point to pointChaffee County, CO
15. Lean Horse
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Aug 16, 2024Friday
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100M trail run | 100M relay
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Custer, SD
333 miles point to pointCuster County, SD
16. Harriman Park 25K/50K
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Aug 17, 2024Saturday
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50K, 25K trail run
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Island Park, ID
127 miles point to pointFremont County, ID
17. Leadville Trail 100 Mile Run
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Aug 17, 2024Saturday
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100M trail run
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Leadville, CO
465 miles point to pointLake County, CO
18. Lean Horse
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Aug 17, 2024Saturday
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50M, 30M, 20M trail run | 30M relay
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Custer, SD
333 miles point to pointCuster County, SD
19. Triple Trail Challenge
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Aug 17, 2024SaturdayMid Mountain 50K
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50K trail run
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Park City, UT
353 miles point to pointSummit County, UT
20. Continental Divide Trail Run
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Aug 24, 2024Saturday
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50K, 16M trail run
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Steamboat Springs, CO
375 miles point to pointRoutt 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.