Trail Running Calendar United States 2026-2027

Experience a 8.9 mile mountain race at Snowbird featuring 3,610 feet of climbing. Reach the summit of Mt. Baldy and navigate technical alpine terrain in this capped event limited to 500 participants.

Experience Crested Butte's oldest trail challenge with 15k and 25k runs or a technical 25k mountain bike race. Navigate scenic singletrack and alpine ridges finishing with a post race brunch.

Experience an endurance challenge through historic Colorado mining districts with the Silver Rush 50 Run. Choose between 50 mile, 15 mile, or junior 5k distances while competing for a qualifying spot in the Leadville Trail 100.

Looped trail ultras at Caesar Creek State Park with 50k and 50 mile options on single-track trails. The cupless event has two manned aid stations, drop bag support at the visitor center, and a 14.5 hour cutoff.

Experience a scenic trail run through ancient Coastal Redwoods and lush river canyons in Santa Cruz. Choose from multiple distances including a 50K and marathon with several river crossings.

Experience a true mountain race through the rugged high altitude terrain of Idaho and Montana. Choose between 100 km and 55 km courses featuring steep descents and technical single track trails.

This community 5K in Wauseon's Homecoming Park features a scenic route through woods and fields. The event promotes pollinators and gardening, with post race activities, refreshments, and prizes.

Experience trail running in the Bridger Teton National Forest with races ranging from 15K to 50K. Runners enjoy views of the Grand Teton and mountain wildflowers while spectators utilize local gondolas to follow the action.

Night trail runs at Usery Mountain Regional Park with 50K, 25K, 12K and 6K options. The flat, fast course uses Chain Fruit, Lost Sheep, Channel and Blevins Trails and is part of the Insomniac Night Series.

A looped Backyard Ultra at Government Peak Recreation Area near Hatcher Pass, Palmer AK, where runners repeat a 4.167 mile (6706 m) loop each hour under standard Backyard Ultra rules until one runner remains.

Windsor Castle 10 Hour is held on a 3.1 mile loop at Windsor Castle Park with about 150 ft gain per lap. It offers 10 hour, 5 hour, 2 hour and a one lap 5k options and includes rucking with set weight requirements.

Experience a multi distance trail event at Rocky Hill Ranch in Smithville. Run through shaded pine forests on a 10km single track loop with distances ranging from 10km to various ultramarathons and relays.

A trail running event at Devil's Lake near Baraboo, WI on July 11, 2026, offering distances from 10K to 50 miles, marked courses with aid, post-race food and a finisher medal.

Test your endurance on the rugged trails of the Medicine Bow National Forest with 24 hour, 12 hour, and single summit challenges. Experience a technical mountain course while supporting a meaningful cause for veterans.

Trail races at Muscatatuck County Park on July 11, 2026, offering mapped 5K and 15K courses, festival camping, kayak shuttle trips, and mountain bike events, with medals for overall and age-group top finishers.

This trail run in Naples, NY explores the scenic High-Tor Wildlife Management Area. The course starts in the community park, features significant climbs on the Finger Lakes Trail, and passes multiple aid stations. Runners can choose between..

A technical 5.6 mile loop trail race in Northfield, NH where runners complete six laps within a ten hour limit, with aid stations and lap drop bags. The event supports Spaulding Academy & Family Services.

Trail and towpath routes start at Memorial Parkway and wind through downtown Akron and Summit Metro Parks, with marathon, half, and 10 K options, multiple aid stations, finisher medals, and awards in each distance.

Experience a high altitude mountain run on the slopes of Mt. Baldy Resort. This 5k course features a 1500 foot climb through scenic trails ending with a sunset celebration and BBQ dinner at the Top of the Notch.

Test your limits at Indiana's largest endurance event on the Butler University campus. Run solo or as a team for eight hours through varied courses before enjoying a celebratory cookout and live music.