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Trail Running Calendar near Frederick 2025-2026

Explore the top trail runs near Frederick for 2025-2026! We've gathered 99 exciting races in the area. Check out our detailed list below to find your next local race.

November 2025
Nov
27
Thursday

Pelican Lakes Turkey Trot

5 km
Nov
27
Thursday

Broomfield Turkey Day 10K

5 km 10 km
Nov
27
Thursday

Mile High United Way Turkey Trot

4 mi
Nov
27
Thursday

Boulder Thanksgiving Day 5K

5 km
Nov
27
Thursday

The Pilgrimage Run

2 mi 4 mi
December 2025
Dec
6
Saturday

Toy Drop

5 km 10 km 15 km
Dec
6
Saturday

All-Out Fa La La

5 km 10 km 13 mi
Dec
7
Sunday

RMRR December Trophy Series

4 mi
Dec
13
Saturday

WinterFest 5k

5 km
Dec
13
Saturday

Santa Catch 10k

5 km 10 km
Dec
20
Saturday

Santa's Dash for Cash

5 km
Dec
21
Sunday

Ugly Sweater 5K - Denver

5 km
Dec
27
Saturday

Candy Cane Course - Denver

5 km 12 km
January 2026
Jan
1
Thursday

Resolute Runner 5k

5 km
Jan
10
Saturday

Polar Prowl

5 km 10 km 13 mi
Jan
18
Sunday

Arctic Prairie Dog Half Marathon

5 km 10 km 13 mi
February 2026
Feb
14
Saturday

Heart Throb 5K

5 km
Feb
22
Sunday

Mardi Crawl

5 km 10 km 13 mi
March 2026
Mar
14
Saturday

Erin Go Bragh 7.77k

7 km
Mar
21
Saturday

Lucky Brew Race 15K

5 km 10 km 15 km
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