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Obstacle Race Calendar near Keystone 2025-2026

Explore the top obstacle runs near Keystone for 2025-2026! We've gathered 12 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
20
Saturday

Run Like a Reindeer

5 km
June 2026
Jun
27
Saturday

Race in the Clouds - Alma Dirt Festival

Trail Run 10 km 13 mi
Jun
27
Saturday

Leadville Trail Marathon and Heavy Half

Trail Run 15 mi 26 mi
July 2026
Jul
10-11
Fr - Sa

Silverheels Trail Runs

Trail Run 10 mi 19 mi ... 100 km 100 mi
Jul
11-12
Sa - Su

Silver Rush 50

Trail Run 5 km 15 mi 50 mi
Jul
27
Monday

The Summit 200

Trail Run 200 mi
August 2026
Aug
1
Saturday

Sheep Mountain Ultras

Trail Run Half Marathon 50 km 50 mi
Aug
8
Saturday

Run The Rockies Trail Race

Trail Run 5 km 10 km Half Marathon
Aug
22
Saturday

Leadville Trail 100 Mile Run

Trail Run 100 mi
Aug
22
Saturday

Byers Peak Stampede Half Marathon

Trail Run 5 km Half Marathon
September 2026
Sep
5
Saturday

Cirque Series - Arapahoe Basin

Trail Run 9 mi
Sep
19
Saturday

Run the Rockies Road Half Marathon

6 mi 13 mi
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