Broomfield
Trail Running Calendar near Broomfield 2026-2027
Explore the top trail runs near Broomfield 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.
November 2026
Trail races in Louisville, Colorado on November 14, 2026 offering 13.1 miles, 10K and 5K out-and-back courses on dirt trails with aid stations and drop bag service.
A 50K looped ultra near Golden, CO visiting four peaks from Parfet Park with an unmarked, self supported course and no entry fee.
December 2026
Free 2.8 mi festive run in Broomfield that finishes with breakfast at La Belle French Bakery and is open to all ages.
Santa Claus Run in Louisville CO on Dec 12 offers 5k, 10k, a half marathon and a kids race with an expo, festive finish gifts and on-course amenities.
February 2027
A winter bike rally and trail run in Lyons, Colorado offering multiple run and ride distances plus an afterparty with food, music and saunas.
April 2027
Trail races in Highlands Ranch on April 10, 2027 offering 21 mile, half marathon, 10 km and 5 km courses on mostly dirt single-track with rolling hills.
June 2027
A mixed gravel-bike and trail-running festival in Lyons, Colorado on June 6, 2027, featuring races from 100K to 5 miles plus relays, BMX, camping and a concert.
An overnight full moon trail event in Highlands Ranch offering 12 hour solo and team relays on a 10.3 mile loop with aid stations and required headlamps.
July 2027
A 69-mile three-loop mountain event near Nederland, Colorado with 18,099 ft of climbing, strict weight classes, mandatory high-altitude kit and GPS verification for awards.
Two Brothers Up and Down in Idaho Springs features steep out and back courses: a 10k with about 1,800 ft ascent and a 5k with about 570 ft.
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.
Trail races around Standley Lake in Westminster, Colorado offering five dirt-course distances with aid stations, drop bag access and live split tracking.