Trail Running Calendar United States 2026-2027

Trail races at O'Neill Park in Trabuco Canyon on May 16, 2026 offer distances from 10k to 50k. Registration closes May 1 and entries are non refundable; weather or fire cancellations may roll over to a makeup date or another KHraces race.

Experience the historic trails of Pennsylvania at the Oil Creek Stacked Trail Races. Choose from 5 mile or 13 mile distances or take on the stacked challenge by running both events back to back.

Event Overview The Taco 'Bout Fun Run is a trail event taking place in Buffalo Park, Flagstaff. It is described as the fifth annual edition. Distances Four events are available: 10K: A professionally chip-timed trail race. 5K: A profession..

Experience a community focused obstacle course race at a motocross training facility in North Carolina. Navigate a dirt bike track, creek runs, and pond crossings across distances ranging from 1 to 6 miles.

Foreshore Adventure Run is a charity 5k obstacle course at Pere Marquette Beach Park with more than 20 obstacles, competitive and fun waves, team and individual entries, and a Kid's Zone for young children supporting Muskegon Rescue Mission..

A 100 mile trail ultramarathon in the Massanutten Mountains with rocky terrain and over 18,000 feet of ascent, starting and finishing at Caroline Furnace in Virginia’s Shenandoah Valley. A 36 hour cutoff applies and training runs are held b..

Trail races in Reno offering 50 mile, 50 kilometer and 13.1 mile courses on dirt trails and roads. The courses feature substantial climbing and descending and start and finish at Rancho San Rafael Park.

Timed 8 hour and 4 hour loop trail events at Chestnut Mountain Resort near Galena, Illinois, with 2.91 and 0.6 mile loops, timing-based mileage awards, a finisher medal, and an on-site meal and after party.

High altitude trail ultras near Bishop, California, on dirt roads and single-track with aid stations every 3 to 7 miles. Multiple distances to 100K, handmade finisher medallions, and proceeds support local youth outdoor programs and search..

Experience scenic and technical trail running on the Superior Hiking Trail along Lake Superior. Choose between 12.5KM, 25KM, and 50KM distances through the beautiful forests and mountains of Lutsen Minnesota.

A spring trail running event in Oregon’s Tillamook State Forest offering 50 mile and 55K races plus a two-day double, staged at historic Reehers Camp with marked single-track courses and staffed aid stations.

Test your strategy and endurance on a 10 km course featuring 18 checkpoints including ziplining and canoeing. Join a team for this unique multi sport challenge on a scenic 575 acre farm in Versailles.

Trail marathon and 50 mile races on a 26.4 mile single-track loop in the Mark Twain National Forest, with rugged terrain, aid stations every 5–6 miles, cupless aid policy, and RRCA championship and ITRA points for 2026.

Timed ultrarunning options on a mostly shaded 2.92 mile loop at Richfield Heritage Preserve, with camping, aid station service, chip timing and awards for finishers. Multiple timed distances and a 100 mile option are offered.

Test your strength and stamina at this premier Iowa obstacle course featuring mud, climbing, and jumping across 5K and 6 mile distances. Compete for a gladiator sword or join a team for a weekend of physical challenges.

Experience 360 degree views of the Bay Area at Wildcat 2026 in El Sobrante. This scenic event features a Half Marathon, 10K, and 5K as well as a remote participation option.

A point to point 57.5 miles trail race from Blairsville to Blue Ridge through the Chattahoochee National Forest. The course includes technical single track, mountain roads, over 17,000 feet of ascent and descent, and 10 aid stations.

Trail races in Waxhaw, NC on May 16, 2026 with a 50k run made of three 10+ mile laps and a single 10 mile loop, cupless aid station, finishers medal, and limited t shirt availability.

A timed endurance trail event near Willow Springs on a 4 mile loop with single and double track, rolling hills, a signature aid station offering snacks and drinks, and a mandatory reusable cup policy.

Trail races at Soaring Eagle Regional Park in Sammamish WA offer multiple distances from kids races to a half marathon. Courses start on the Pipeline Trail and follow winding, mostly flat forest singletrack with rooty sections.