Upcoming Ultras within 50 miles of Denver, CO
City Location
1. Castle Rock Trail Festival
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Oct 5, 2024Saturday
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50K, 13.1M, 10K, 5K trail run
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Castle Rock, CO
26 miles point to pointDouglas County, CO
2. Suffer Better Fall Trail Run
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Oct 5, 2024Saturday
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50K, 25K trail run
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Pine, CO
29 miles point to pointJefferson County, CO
3. Indian Creek Trail Runs
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Oct 12, 2024Saturday
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50M, 55K, 15M, 5M trail run
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Sedalia, CO
21 miles point to pointDouglas County, CO
4. BINGO! Trail Runs
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Nov 9, 2024Saturday
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50M, 26.2M, 13.1M, 10K trail run
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Byers, CO
40 miles point to pointArapahoe County, CO
5. Sawmill Trail Runs
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Dec 7, 2024Saturday
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50K, 16M, 8M trail run
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Pine, CO
29 miles point to pointJefferson County, CO
6. Runs With Scissors Races
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Apr 26, 2025Saturday
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50K, 26.2M, 13.1M run
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Brighton, CO
19 miles point to pointAdams County, CO
7. 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
36 miles point to pointDouglas County, CO
8. 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
Denver County, CO
9. Flaming Foliage Relay
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Sep 5, 2025Friday
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160M relay
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startIdaho Springs, CO28 miles point to pointfinishBuena Vista, CO87 miles point to pointClear Creek County, COChaffee 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.