Trail Running calendar near Glenwood Springs 2026-2027

Point to point trail races in Carbondale, Colorado offering a 10 mile and a 25k on the Up & Over single track. The weekend includes a film festival, shuttle service from Carbondale, and a post race gathering at Rock Bottom Ranch.

A Memorial Day trail event in Grand River Park, New Castle, offering a family friendly 3.5 km riverside route and a longer 7.7 km route over scenic hilltops, with matching virtual distance options.

A 20K route around Turquoise Lake in Leadville, CO, running clockwise from Matchless Boat Ramp with paved and single track sections. Adult entry is $40 and under 18 run free. Parking is limited and a day use fee may apply.

A trail race at Howelsen Hill in Steamboat Springs on June 13, 2026 featuring 8 mile and 4 mile single track loops on Emerald Mountain. Proceeds benefit the Knights of Columbus and awards and a prize raffle follow the race.

Event Overview The Leadville Trail 100 Run Camp is a three-day event scheduled for June 19-21, 2026. It is designed as an introduction and training tool for the Leadville Trail 100 Run. The camp is open to all runners, with group training r..

Explore Colorado's peaks in this series of five mountain races. Run four scenic half marathons and a challenging 25K across the state from June to September. Participants can choose to tackle three, four, or all five events.

Multi day mountain bike and trail running festival in Alma, Colorado, June 25 to June 28, 2026. The program includes multiple bike distances, a trail half marathon, an off road duathlon, free kids races and on site camping at 10,600 feet.

Event Information The Leadville Trail Marathon & Heavy Half Marathon takes place in Leadville, Colorado. The event offers two distances: a 26.4-mile trail marathon and a 15.46-mile "Heavy Half." Course Details The marathon cou..

SBT TRL is a trail run at historic Howelsen Hill, featuring 5K and 10K distances. Held alongside the SBT GRVL bike event, it includes a post-race awards ceremony and raffle at Little Toots Park. Hikers are welcome on the 5K course.

A Fourth of July 5K in downtown Leadville, CO on July 4, 2026; youth entry is free and proceeds support local youth athletics.

The 1876 Centennial Run in Snowmass Village offers four unique distances, from a 3.76k to an 18.76k challenge. The event starts and ends at the New Belgium Ranger Station and is part of the Colorado Brewery Running Series, with proceeds sup..

Multi distance trail event in Como Colorado on July 10 and July 11 2026, with courses above 10,000 feet ranging from 10 Mile to 100 Mile. Routes include single track, fire roads, historic mining terrain, and a point to point 100k.

Crested Butte's oldest trail challenge offers a classic 15k run, a 25k loop, and a tough mountain bike route. The bike course covers nearly 15 miles with significant climbing. This is a no-frills event focused on the trail experience.

Event Overview The Silver Rush 50 Run is a running event scheduled for July 11, 2026. The event features multiple race distances: a 50-mile run, a 15-mile run, and a 5K Juniors run. There is also a Silver King & Silver Queen challenge f..

Tackle the Stagecoach Trail at Powderhorn Mountain Resort. Choose between a steep 5K climb or a demanding 15K that goes up the mountain twice. The registration includes a lift pass, t-shirt, and post-race food.

Run through wildflowers and Aspens along Spring Creek in Steamboat Springs. Choose between a challenging 9.5-mile loop with significant climbing or a rolling 5K out-and-back. This memorial event includes a post-race meal.

Run scenic mountain trails around Aspen Snowmass at the Audi Power of Four Trail Run on July 18, 2026. Choose from 10K, 25K or an epic 50K and enjoy challenging terrain, alpine views and Audi supported race day energy.

Trail ultras of 50 miles, 55K and 30K on Grand Mesa in Colorado with mountain single track, alpine meadows and lakes. Camping options are available and the event includes cash prizes, finisher awards and post race amenities.

Course and Terrain The Summit 200 is a 200-mile single-loop ultramarathon in Summit County, Colorado. The non-repetitive course utilizes hiking trails, 4WD roads, and recreation paths, with the majority being single-track trail and infreque..

High-elevation trail and ultra races around Fairplay, Colorado, with 50 Mile, 50k and Half Marathon options, technical and remote terrain, aid stations, drop bags, pacer rules, and a 16 hour time limit.