Barr Lake Trail Race

Event overview

The Barr Lake Trail Race takes place at Barr Lake State Park in Brighton, CO on Saturday, June 13, 2026. The event offers multiple trail distances with a looped course that starts and finishes at the Nature Center and runs around Barr Lake with continuous views of the water and the front range. The course surface is 100% dirt. Registration closes Monday, June 8 at 11:59 PM MT. Parking is at the park staging area and state park fees are included in race registration.

Course details

• 50K - 31.6 miles, three laps, aid stations: 3, elevation gain listed ~460 feet, time limit: 9 hours
• 30K - 18.2 miles, two laps, aid stations: 3, elevation gain: 380 feet, time limit: 8+ hours
• Half Marathon - 13.1 miles, two laps, aid stations: 3, gentle elevation (under 400 feet), time limit: 8+ hours
• 15K - 9.1 miles, one loop, aid stations: 1, elevation gain: 190 feet, time limit: 7 hours
• 5K - 3.3 miles, out-and-back, aid stations: 0, elevation gain: 40 feet, time limit: 6+ hours

The course is largely flat with less than 100 feet of elevation gain per loop as noted by the organizer. Crews may support runners at the finish line; pacers are not permitted. A designated area for drop bags is provided at the start/finish. The event is cupless; reusable cups are available for purchase or participants may bring their own. Visit the organization's website for the most recent information.