Windsor
Trail Running Calendar near Windsor 2026-2027
Explore the top trail runs near Windsor for 2026-2027! We've gathered 15 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
October 2026
Trail marathon and half near Horsetooth Mountain Park featuring Colorado singletrack, rocky sections, fully stocked aid stations, and time limits for each distance.
November 2026
Timed 6, 12 and 24 hour individual and relay events on a flat USATF certified one mile dirt loop at Swift Ponds in Fort Collins with full aid and lodge access.
Trail races in Loveland, CO offering a roughly 13-mile half marathon with a 5-hour limit and a shorter 5K on varied, mixed-terrain trails.
April 2027
50 mile solo and relay races run along the Poudre River Trail on April 11, 2027, plus a 100 mile option that combines in person and on your own miles.
May 2027
Trail races near Fort Collins offering 25 miles (≈5,500 ft gain) and 50 miles (≈11,000 ft gain) on mostly singletrack with staffed aid stations.
June 2027
A multi day running festival in Eaton Colorado featuring races from 7K to 100 miles, relays, a ruck event, virtual options, glamping, sauna and on site entertainment.
August 2027
A four race midweek trail series at Lory State Park in August 2027 offering 5K, 10K and 12K options, post race food and beverages, and series awards.
A 200 mile point to point relay across Colorado from Fort Collins to Steamboat Springs with 36 legs and team options from solo to 12 runners.
September 2027
A multi-day ultrarunning event in Loveland, Colorado, featuring looped timed and distance races, 24/7 aid, camping, and mileage buckles.