Aurora
Trail Running Calendar near Aurora 2026-2027
Explore the top trail runs near Aurora for 2026-2027! We've gathered 29 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
Run the Rocks is a fundraiser at Red Rocks Park and Amphitheatre on October 11, 2026 offering a 5k and a 1.3 mile run and walk to support lung health in Colorado.
A dog-friendly 2.5 mile loop on a hilly dirt path in Lone Tree raising funds for the Colorado Animal Care Foundation, with prizes for participating dogs.
Indian Creek Trail Runs in Sedalia, Colorado on October 17, 2026 offers multiple trail and ultra distances through montane forests, aspen groves, red rock formations and prairie vistas with city views from several viewpoints.
A traditional Backyard Ultra at Luvin Arms Animal Sanctuary on October 24-25, 2026 with hourly 4.167 mile loops, on-site aid, camping, and proceeds supporting the sanctuary.
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.
Backyard ultra at Bear Creek Lake Park where runners repeat a 4.16-mile loop each hour until one remains or the field is stopped at the 11th hour.
Trail races on November 14, 2026 in Louisville CO offering Half Marathon, 10K and 5K on dirt out and back courses with aid stations and post-race festivities.
A self-supported 50K in Golden, Colorado visiting four local peaks with Parfet Park as the central hub and minimal course markings.
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.
January 2027
A 21.6 mile out and back road race near Sedalia, CO with 2,627 ft of climbing, variable winter road conditions, mandatory gear, and aid at multiple stations.