Trail Running in Summit County

Group trail runs and fun runs on the valley’s singletrack and foothills.

Trail Run✓ Verified 2026-08-13

Summit Trail Running Series

Five races · Wednesdays 5:30–8:30pm · June–August

Rotating Summit County trailheads

Beginner-friendlyDog-friendlyPaidSummer

23rd annual series: five races on rotating Summit County trails, each with a short and a long course and a post-race party. Open to all abilities ages 10 and up; run 4 of 5 on the same course to place overall. No aid stations and the series is cup-free, so bring a bottle. $122 for the series or $30 per race (10–17: $50 / $12).

Trail Run✓ Verified 2026-08-13

Club Runs & Socials

Breckenridge CO Run Club

Member runs & socials — see schedule · year-round

Rotating Summit County trails & roads

Beginner-friendlyNo-dropPaid

Member-only club runs and social events — including a pancake breakfast run — organized through the club’s Facebook group rather than a published calendar. Membership for 2026 is $23 for one adult, $33 for a household of up to four, or $12 for a one-month trial.