Idaho Springs
Trail Running Calendar near Idaho Springs 2026-2027
Explore the top trail runs near Idaho Springs for 2026-2027! We've gathered 28 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
Trail races in Longmont on November 14, 2026 offering Half Marathon, 10K and 5K on new mostly flat courses along the St. Vrain Greenway.
A no‑fee, self-supported 50K in Golden, Colorado featuring four loops from Parfet Park up South Table, North Table, Mount Galbraith and Lookout Mountain.
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.
January 2027
February 2027
March 2027
Winter endurance laps on a marked 4.6 mile loop at Staunton State Park with 3, 6, 12 and 24 hour formats and fundraising for air quality nonprofits.
April 2027
May 2027
Trail ultramarathons in Buffalo Creek, Colorado on May 22, 2027 offering 50 mile and 50 km courses on mostly singletrack with aid stations and limited crew access.
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.
Mountain trail races in Winter Park Colorado featuring 50K, 21K and 10K courses on alpine singletrack with limited fields and aid stations.