Brighton
Trail Running Calendar near Brighton 2026-2027
Explore the top trail runs near Brighton for 2026-2027! We've gathered 16 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A mostly dirt and trail race along Boulder Reservoir in Boulder, Colorado, with about 200 feet of elevation gain. Distances range from a 10K to a full marathon, plus a relay option.
Westminster Trail Race at Standley Lake in Westminster, Colorado offers five dirt trail distances with lake and Front Range views.
September 2026
Join the community for a 5K run or walk on a brand new dirt course at the North Arvada Middle School Athletic Complex. Support local high school racers before taking on this off road route yourself.
Multi-distance running weekend in Longmont, CO on a flat 1.05-mile loop, offering in-person and virtual options plus awards and on-site aid.
October 2026
A backyard ultra at Luvin Arms Animal Sanctuary on Oct 24–25, 2026 with hourly 4.167-mile loops on mostly flat dirt, grass, and gravel plus on-site race camp and cupless aid.
MonsterDASH Louisville on Oct 25, 2026 offers a new half marathon plus 5k, 10k and a kids mile with costume contests, expo, and themed runner perks.
November 2026
Trail races in Louisville, Colorado offering half marathon, 10K and 5K on dirt trails with views of the Flat Irons and family-friendly post-race festivities.
December 2026
Holiday trail runs in Louisville CO with 5k, 10k, a new half marathon, expo pickup, giveaways, family activities, and a visit from Santa.