September Classic Races within 50 miles of Leadville, CO
Crested Butte, CO
Emma Coburn's Elk Run 5K
Sep 30, 2023
Crested Butte Ultra
Sep 28, 2024
Idaho Springs, CO
Flaming Foliage Relay
Sep 6, 2024
Georgetown, CO
Colorado Brewery Running Series
Sep 28, 2024
Buena Vista, CO
Flaming Foliage Relay
Sep 6, 2024
Trail Sisters Women's Half Marathon
Sep 14, 2024
Autumn Run
Sep 21, 2024
West Line Winder
Sep 28, 2024
14er Fest Races
Sep 29, 2024
Marble, CO
Lead King Loop Charity Race
Sep 15, 2024
Aspen, CO
Aspen parkrun
Mar 22, 2025
Mar 29, 2025
Apr 6, 2024
Apr 13, 2024
48 more
Golden Leaf Half Marathon
Sep 28, 2024
Frisco, CO
Run the Rockies Half Marathon
Sep 21, 2024
Copper Mountain, CO
Summit Up Trail Run
Sep 9, 2023
Breckenridge, CO
Breck Crest Mountain Marathon
Sep 3, 2023
Beaver Creek, CO
The bRUNch Trail Run
Sep 17, 2023
Keystone, CO
Cirque Series - Arapahoe Basin
Sep 7, 2024
Empire, CO
Devil on the Divide
Sep 7, 2024
Minturn, CO
Meadowgold Trail Run
Sep 14, 2024
Nathrop, CO
Sawatch Ascent
Sep 29, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Breck Crest Mountain Marathon
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Past DateSep 3, 2023Sunday
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23M, 13.1M, 10K trail run
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Breckenridge, CO
21 miles point to pointSummit County, CO
2. Flaming Foliage Relay
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Sep 6, 2024Friday
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160M relay
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startIdaho Springs, CO54 miles point to pointfinishBuena Vista, CO29 miles point to pointClear Creek County, COChaffee County, CO
3. Aspen parkrun
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Sep 7, 2024Saturday
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5K run
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Aspen, CO
28 miles point to pointPitkin County, CO
4. Cirque Series - Arapahoe Basin
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Sep 7, 2024Saturday
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8.8M trail run
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Keystone, CO
30 miles point to pointSummit County, CO
5. Devil on the Divide
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Sep 7, 2024Saturday
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50K, 22K trail run
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Empire, CO
48 miles point to pointClear Creek County, CO
6. Summit Up Trail Run
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Past DateSep 9, 2023Saturday
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9K, 5K trail run
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Copper Mountain, CO
19 miles point to pointSummit County, CO
7. Aspen parkrun
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Sep 14, 2024Saturday
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5K run
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Aspen, CO
28 miles point to pointPitkin County, CO
8. Meadowgold Trail Run
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Sep 14, 2024Saturday
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10K, 5K trail run
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Minturn, CO
25 miles point to pointEagle County, CO
9. Trail Sisters Women's Half Marathon
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Sep 14, 2024Saturday
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13.1M, 10K trail run
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Buena Vista, CO
29 miles point to pointChaffee County, CO
10. Lead King Loop Charity Race
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Sep 15, 2024Sunday
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25K trail run
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Marble, CO
49 miles point to pointGunnison County, CO
11. The bRUNch Trail Run
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Past DateSep 17, 2023Sunday
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15K, 10K, 5K trail run
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Beaver Creek, CO
27 miles point to pointEagle County, CO
12. Aspen parkrun
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Sep 21, 2024Saturday
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5K run
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Aspen, CO
28 miles point to pointPitkin County, CO
13. Autumn Run
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Sep 21, 2024Saturday
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26.2M, 13.1M, 10K, 5K run | kids run
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Buena Vista, CO
29 miles point to pointChaffee County, CO
14. Run the Rockies Half Marathon
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Sep 21, 2024Saturday
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13.1M, 10K run
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Frisco, CO
25 miles point to pointSummit County, CO
15. Aspen parkrun
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Sep 28, 2024Saturday
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5K run
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Aspen, CO
28 miles point to pointPitkin County, CO
16. Colorado Brewery Running Series
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Sep 28, 2024Saturday
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5K run
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Georgetown, CO
45 miles point to pointClear Creek County, CO
17. Crested Butte Ultra
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Sep 28, 2024Saturday
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50M, 55K, 35K trail run
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Crested Butte, CO
44 miles point to pointGunnison County, CO
18. Golden Leaf Half Marathon
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Sep 28, 2024Saturday
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13.1M trail run
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Aspen, CO
28 miles point to pointPitkin County, CO
19. West Line Winder
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Sep 28, 2024Saturday
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50K, 30K trail run
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Buena Vista, CO
29 miles point to pointChaffee County, CO
20. 14er Fest Races
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Sep 29, 2024Sunday
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14K, 5K trail run
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Buena Vista, CO
29 miles point to pointChaffee 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.