Upcoming Trail Runs within 50 miles of Thornton, CO
City Location
1. Greenland Trail Races
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May 4, 2024Saturday
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50K, 25K, 8M, 4M trail run
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Larkspur, CO
44 miles point to pointDouglas County, CO
2. Quad Rock 50
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May 11, 2024Saturday
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50M, 25M trail run
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Fort Collins, CO
50 miles point to pointLarimer County, CO
3. 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
19 miles point to pointBoulder County, CO
4. Mountain Ridge Trail Race
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Jun 1, 2024Saturday
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21M, 13.1M, 10K, 5K trail run
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Highlands Ranch, CO
22 miles point to pointDouglas County, CO
5. North Fork 50M/50K
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Jun 1, 2024Saturday
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50M, 50K trail run
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Pine, CO
37 miles point to pointJefferson County, CO
6. Crazy Legs 10K+ Trail Run
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Jun 2, 2024Sunday
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10K trail run
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Loveland, CO
37 miles point to pointLarimer County, CO
7. Elk Meadow Trail Race
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Jun 22, 2024Saturday
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10K, 5K trail run
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Evergreen, CO
24 miles point to pointJefferson County, CO
8. Sunset Trail Running Festival
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Jun 23, 2024Sunday
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28K, 12K, 5K trail run | kids run
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Boulder, CO
19 miles point to pointBoulder County, CO
9. Evergreen Mountain 15K
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Jul 13, 2024Saturday
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15K trail run
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Evergreen, CO
24 miles point to pointJefferson County, CO
10. Barr Lake 30K and 15K
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Jul 14, 2024Sunday
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30K, 15K trail run
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Brighton, CO
12 miles point to pointAdams County, CO
11. Chase the Moon 12-Hour Endurance Run
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Jul 19, 2024Friday
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12H trail run | 12H relay
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Highlands Ranch, CO
22 miles point to pointDouglas County, CO
12. Sundown XC
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Jul 26, 2024Friday
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5K trail run
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Aurora, CO
12 miles point to pointArapahoe County, CO
13. Elevation Run/Walk
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Jul 27, 2024Saturday
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5K, 2M run | 10K trail run | kids run
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Conifer, CO
30 miles point to pointJefferson County, CO
14. Staunton State Park 20K
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Aug 3, 2024Saturday
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20K trail run
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Evergreen, CO
24 miles point to pointJefferson County, CO
15. Lory Summer Trail Series
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Aug 6, 2024Tuesday
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5K trail run
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Fort Collins, CO
50 miles point to pointLarimer County, CO
16. Lory Summer Trail Series
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Aug 13, 2024Tuesday
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10K trail run
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Fort Collins, CO
50 miles point to pointLarimer County, CO
17. Lory Summer Trail Series
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Aug 20, 2024Tuesday
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5K trail run
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Fort Collins, CO
50 miles point to pointLarimer County, CO
18. Byers Peak Stampede
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Aug 24, 2024Saturday
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13.1M, 5K trail run
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Winter Park, CO
43 miles point to pointGrand County, CO
19. Staunton Rocks! Marathon & Half
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Aug 24, 2024Saturday
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26.2M, 13.1M trail run
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Pine, CO
37 miles point to pointJefferson County, CO
20. Westminster Trail Race
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Aug 24, 2024Saturday
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13.1M, 10K, 5K trail run
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Westminster, CO
4 miles point to pointAdams County, COJefferson 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.