Barr Lake Trail Race
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Barr Lake Trail Race : June 13, 2026
The Barr Lake Trail Race takes place at Barr Lake State Park (Visitors Center), 13401 Picadily Rd., Brighton, CO. The event offers five distances on primarily dirt trails around Barr Lake, with looped courses for most distances and continuous lake and front range views. Course terrain is listed as 100% dirt and parking is at the lot next to the staging area. The event uses a cupless format with reusable cups available for purchase or to bring from home.
Course details and support
- 50K - 31.6 miles; 3x loop; ~460 ft total elevation gain; 3 aid stations; 9-hour limit.
- 30K - 18.2 miles; 2x loop; ~380 ft total elevation gain; 3 aid stations; ~8-hour limit.
- Half Marathon - 13.1 miles; 2x loop; ~187 ft total elevation gain; 3 aid stations; ~8-hour limit.
- 15K - 9.1 miles; 1x loop; ~190 ft total elevation gain; 1 aid station; 7-hour limit.
- 5K - 3.3 miles; out-and-back; ~40 ft total elevation gain; 0 aid stations; ~6-hour limit.
Crews may support runners at the finish line; pacers are not permitted. Drop bags are allowed at a designated start/finish area. Registration closes Monday, June 8 (11:59 PM MT). Volunteer roles are available and include race credits and event swag. Visit the organization's website for the most recent information.