Longmont
Trail Running Calendar near Longmont 2026-2027
Explore the top trail runs near Longmont for 2026-2027! We've gathered 25 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2027
Annual four mile charity run in Eldorado Springs with a scenic out and back course, post-run food and prizes, supporting the Colorado Cancer Foundation.
A point to point 200 mile team relay across Colorado with 36 legs from Fort Collins to Steamboat Springs, offered in multiple team categories on open roads.
Trail races around Standley Lake in Westminster, Colorado offering five dirt-course distances with aid stations, drop bag access and live split tracking.
September 2027
Multi-day ultrarunning event in Loveland, Colorado offering timed and distance races on a flat 2 mile loop with camping and a 150-runner cap.
All-Out Fall Fest on September 18, 2027 at Standley Lake in Westminster CO offers in-person and virtual Half Marathon, 10K, and 5K and benefits BookGive.