Trail Running Calendar United States 2026-2027

Trail races at Monastery Trails in Cumberland, RI on March 14, 2027 offer distances from a 1 mile kids run to a 100K 12 hour ultra. Team ultra entries and a multilap 5 hour option are available and all finishers receive a medal.

A 10K trail race at Hickory Knolls Discovery Center in St. Charles, IL with a $70 entry fee. The race is part of a winter series that also includes a 5K and 8K and uses a single registration page.

A point-to-point mountain trail event in Delta, Alabama along the Pinhoti Trail covering 202.41 miles and nearly 28,000 ft of climb, with a 100-hour cutoff, staffed aid stations, and a 100-mile pacer option.

A loop-based ultra at Twin Lakes State Park offering 10 mile and multiple timed options up to 72 hours, chip timing, a single full aid station, relay and pacer rules, primitive camping and family-friendly Parent Loop.

A three day trail running weekend in Marin County offering a point to point 100K plus single loop 50K and 28K that summit Loma Alta and Big Rock Ridge.

Timed 6-, 12-, and 24-hour running events at Lake Cuyamaca on a scenic 2 mile loop near Julian, CA, with on-site dining, a store, and camping and RV options.

A two day trail running event in Hyden KY featuring a 100 mile race plus a 50k and a half marathon. The shorter races share sections of the 100 mile course and use out and back and loop formats.

A three day trail stage race at Blanchard Springs near Fifty-Six, AR, featuring the Syllamo, Sylamore and Ozark Highlands Trails and multiple distances from 20K to a 94 mile option, with limited field sizes and on course aid stations.

Obstacle course races at 7iL Ranch near Houston feature Sprint 5 km, Super 10 km and Beast 21 km courses across sandy hills, wooded trails and shallow creek crossings. Team starts and a service member discount are available.

Celebrate the spring equinox with a festive trail run through Oregon's scenic Alsea Falls. Choose between 5K, 10K, or Half Marathon distances and enjoy post race pizza and custom pint glasses in the forest.

A multi-distance trail event on March 22, 2025 at Calero County Park in San Jose offering runs from a kids race to a 50K, single track and dirt-road courses, multiple aid stations, and per-distance time limits.

A chip timed trail event in Cleveland Metroparks on March 20, 2027 offering a 13K, 5K, ruck options, and a short kids fun run with race swag and post race snacks.

Tough Mudder Los Angeles on March 20, 2027 at Lake Elsinore Raceway is a mud obstacle event over scrubland and motor-cross terrain. Race options include 15 plus km, 5 to 8 km, Infinity laps, spectator access, and group packages.

An annual trail running weekend in March at the LBJ National Grasslands near Decatur, Texas, offering 100 mile, 50 mile, marathon, half marathon and 15K options across rolling hills, forests, and open fields.

Hippo Trail Fest in Hutto TX offers trail races from a 1 mile youth run to a 50K, ruck divisions, and a 5 km Hippo Haul with on course challenges. The event includes aid stations, chip timing, strong course markings, and family activities.

Multiple trail distances run through Redwood Regional Park on March 20, 2027 at Chabot Space & Science Center. Routes use East Ridge, West Ridge, Stream and Bridle trails and distances were measured with a Rolatape surveyor's wheel.

A road race in Moab, Utah held alongside the Colorado River and Arches National Park. Offers a half marathon and a 5 mile race with six aid stations, medical support, shuttle access, and post race medals and refreshments.

A multi-loop event in Hungryland Slough featuring a 14.3 mile loop through flat, varied south Florida habitats. Options include a 33 hour multi-loop Jogger Slogger and a 6 hour Runner Gunner with staffed and self-serve aid stations.

A multi-distance trail event in Flovilla, GA featuring a 100 mile race of eight 12.5 mile loops with about 9,000 feet of gain, two aid stations, crew access, and Western States qualifying with a finisher raffle.

A backyard ultra variant in Rome, GA on March 20, 2027 where each 4 mile loop must be completed one minute faster than the previous one. Organized by Three of Seven Project with an aid station, on site camping, and limited merch.