Trail Running Calendar United States 2026-2027

Trail races in Auburn, CA on July 26, 2026 with long and short courses across single-track mountainous trails, canal sections and dirt roads. Post-race items include a tech shirt, finisher medal, beer for age 21 or older and food.

The Kingman Farm Trail Race is an old-school, show up and race event over 3.8 miles of rolling nordic paths and switchback singletrack. It benefits the Doug Flutie, Jr. Foundation for Autism. Day-of registration is available.

A trail race near Penn Run PA on July 26, 2026 offering 25K, 15K and 8K options across single track trails, pipeline roads, swamps, hills and creek crossings with aid stations about every four miles.

A 135 miles nonstop invitational ultramarathon from Death Valley Badwater Basin to Whitney Portal, covering three mountain ranges with about 14,600 feet of ascent and a 45 hour time limit. Up to 100 international athletes compete.

A non repetitive 200 mile loop around Summit County Colorado that reaches high alpine elevations above 9000 feet. The field is limited to 75 runners, with live GPS tracking, aid and sleep stations, and a 110 hour cutoff.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

A three-date Wednesday evening trail series at Bloomer Park in Rochester Hills featuring a marked 5K loop, light snacks on two dates, a post-series barbecue on August 19 and prizes including ERC gear.

A rolling five mile trail race at Spring Lake Park in Hastings, Minnesota, run as two figure eight loops over prairie and wooded single and double track with about 310 ft elevation gain. Field limit 425 and registration opens Jan 1, 2026.

A three day stage race around Lake Sunapee covering about 75 miles and 15,500 ft of climbing, with an optional 50k on the final day. The format includes overnight camping, gear transport, aid stations and strict gear requirements.

Lean Horse Ultra is a multi-distance trail running event on the George S. Mickelson Trail in the Black Hills, held July 31 to August 1, 2026, with 100 mile, relay, 50, 30, and 20 mile options and a CrossFit edition.

The Wild West Relay is a 200-mile team adventure across Colorado. Teams of various sizes run from Fort Collins over mountain passes to Steamboat Springs. The event uses GPS tracking and spans two days.

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.

Two days of trail events at Bogus Basin featuring a steep hill climb, a 5 mile race, and a 10 mile race that climbs over 2,000 feet. Proceeds support Ridge to Rivers and 5 and 10 mile finishers receive a shirt and medal.

Night trail races at San Antonio's Land Heritage Institute with distances from 5K to 50K, including a 17K RUCK requiring a 25 pound minimum. The event is part of the Texas Summer Night Series and features aid stations and finisher awards.

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.

A 100 miles mountain trail race at Mt Hood Meadows with a lollipop-loop course, 17,300 ft up and 17,300 ft down, crew accessible aid stations, chip timing and a 34 hour cutoff. The 2026 edition is a Western States Qualifier.

Remote trail races on Mt. St. Helens with a full loop 50K and a shorter 25K. Routes run mostly on the Loowit Trail across lava, boulder fields, rivers and forest with thousands of feet of elevation change.

A 15 mile mountain trail race in Hesperus, Colorado, gaining about 3,100 feet and topping out near 12,200 feet at Kennebec Pass. This non profit event benefits La Plata County Search and Rescue and is limited to 150 runners.

A multi distance trail event on Blue Hill Mountain featuring 5k, 10k, 25k and 50k routes on figure eight loops, field paths and technical forest trails, with aid stations on course and proceeds to local conservation and tribal partners.

Trail runs at Twin Creeks Farm in Valparaiso feature tree covered single track, switchbacks, bridge crossings and farmland views. Races include 18 mile, 9 mile and 4 mile looped courses with finisher awards and youth pricing.