Trail Running calendar near Golden 2026-2027

At Fort Carson near Pike's Peak on May 30 to 31, 2026, Spartan offers multiple obstacle races at high elevation. Events range from a kids 1 to 3 km race to a 50 km Ultra and include a pre event workshop and spectator access.

A multi distance running festival in Eaton, Colorado on May 30 to May 31, 2026 offering races from 7K to 100 Mile plus relay and timed events. The venue uses a 2 mile groomed loop and provides glamping and onsite amenities including sauna a..

A trail ultramarathon in Buffalo Creek, Colorado offering 50 mile and 50K courses on mostly singletrack through burned areas and ponderosa forest. Portions of proceeds support the North Fork Volunteer Fire Department and local groups.

A 20K loop around Turquoise Lake that starts on hilly paved road and finishes on single track dirt trail, with proceeds supporting local youth athletics. The 2026 edition follows a rerouted course due to storm damage.

A 10k trail race in Elk Meadow Park near Buchanan Park Recreation Center in Evergreen, CO, featuring a rolling-hills course, vendor tents and refreshments. The event is cup-free with water refills at the start and finish.

A four race trail series in Evergreen offering distances from 5K to half marathon across Elk Meadow, Alderfer, Staunton State Park and Bergen Peak. Events include vendor tents, rec trailer activities, and refreshments for participants and s..

A scenic *5 km* cross country race at the Leadville National Fish Hatchery on May 31, 2026, with dirt road, path and trail sections. Awards are given by age group and youth registration is free.

A trail race in Parker CO on May 31, 2026 featuring a Dipsea-style staggered start for the 10k, a steep stepped incline, rolling singletrack, and a kids 1 mile route to the top and back down.

Six trail races across Summit County, Colorado, in summer 2026. Series registration includes long and short course options with adult, youth, and non binary categories and events at multiple Summit County trail heads.

Trail races at Granby Ranch Resort in Colorado offer multiple distances including a 14 hour Elevation Challenge based on completed loops. The combined field is capped at 250 and the event includes aid stations, drop bag options, and on-site..

A looped trail ultrafestival in Mueller State Park on June 6 to 7 2026 offering 100 mile, 100k, 50k and 25k races on smooth single and double track. Aid stations are crew accessible and a night run takes place at sunset.

A community memorial event in Colorado Springs offering an in-person 5K, a virtual 5K with mailed shirts and medals, and a 1 mile kids dash. All proceeds are donated to local charities in Aiden's name.

A festival at Luvin Arms Animal Sanctuary in Erie Colorado featuring multiple distance and timed events on a mostly flat off road loop with Rocky Mountain views and sanctuary animals nearby.

A final edition trail race at Devil's Backbone Open Space in Loveland, Colorado featuring a looped 10k+ course, a staffed water stop near 3 miles, flour-arrow markings, informal stick-based placings, and an awards gathering at Loveland Alew..

A mountain trail *10K* on Vail Mountain at nearly 9,000 feet with varied terrain, two cupless aid stations and a mass-start format. The race includes multiple age categories from 12+ and a $12,200 prize purse.

A looped trail race at Barr Lake State Park near Brighton, Colorado, offering 5K through 50K distances on dirt trails with continuous lake and Front Range views. Courses feature low elevation gain per loop and varying aid station coverage.

Races on June 14, 2026, through the sandstone formations of Garden of the Gods Park in Colorado Springs. Options include a 10 Mile, two 10K races (road and trail) and a 2.9 mile Youth Classic; registration windows and fees vary.

A four-race running series in Winter Park, Colorado, from June 14 to August 22, 2026. Events range from a family 5K to half marathons and are scored by a points system with Open Men and Open Women categories.

A three day Leadville training camp that walks and runs major sections of the Leadville Trail 100 course, pairs guided day and night runs with recovery and nutrition support, and includes panels, Q&A sessions and a provided running kit.

Trail races in Colorado Springs with 100K, 50K and 35K courses that start and finish at Rock Ledge Ranch in Garden of the Gods, featuring significant elevation gain, aid stations, and on course support.