Trail Running Calendar United States 2026-2027

An event in Katy, TX on 05/09/2026 offering 5K, 10K and a 13.1 mile half marathon on out and back loop courses. Races include finisher medals, a shirt and gear shop, and costume recognition.

A backyard ultra in Udall, KS where runners complete repeated *4.167 mile* laps counted as Yards until one runner completes an extra lap beyond all others. Participants receive a bib, t shirt, and a medallion noting yards completed.

The ninth annual Over The Top Trail Race on May 9, 2026 takes place on singletrack in Pocatello's City Creek Trail System. Multiple distances from 5 km to 30 km follow routes with overlooks, wildflowers, climbs and switchbacks.

East Texas Ultra on May 9, 2026 at Mineola Nature Preserve offers trail distances from 7K to 50K plus a 7K ruck. The cupless, looped course has refill stations, finisher medals and shirts, and is part of the Texas Ultra Series.

Pigtails Run in Maple Valley, WA marks its 20th year with distances from a half marathon to 50K. The low-cost event follows a riverside, wooded course, has limited support, and includes a piggy medal and cake celebration.

A trail race on Concord's Winant Park Trails with short (about 3.5 miles) and long (about 7 miles) courses. Proceeds benefit the Ralph Waldo Emerson School for Preschoolers in Concord, NH.

Trail Race REXTRAVAGANZA on May 9 at Clausland Mountain in Orangeburg features 3.75, 7.5, and 11.25 mile trail options, supports mental health and sobriety, and includes aid stations, a medal, and an optional T-shirt.

A cross country style 5K at Revel Run in Chelsea, Michigan that raises funds for Chelsea Track & Field. Registration runs Jan 26 to May 9 with a $25 fee and on site late registration the morning of the race.

A loop based trail endurance event on a 3.1 mile circuit at Pinnacle Mountain State Park. Runners complete as many hourly laps as they choose, and results rank by loops finished and total time.

A family-friendly mud run in Pensacola on May 9, 2026: a 5K course with obstacles, waist-deep mud pits, a pre-party warm-up, and an after-party with music and food at Adventure Unlimited.

Trail loop courses at Crystal Cove State Park feature ocean views and hill climbs; proceeds support the John Wayne Cancer Foundation and fundraising runs the week of April 20 to 26, 2026.

The Run, Walk, or Crawl will take place in Depew on Saturday 9 May 2026. You can run 5 kilometers.

Trail races at Watuppa Reservation in Fall River on May 9, 2026, featuring grassy fire lanes, winding single track and aid stations each lap. Distances offered are 10K, 30K and 50K.

An obstacle course event in Binghamton, NY featuring a 3.5 mile course across 100 acres of woods, timed elite and multi lap heats with cash prizes, and untimed open waves where participants receive a shirt and medal.

A trail run and walk through historic Waterford VA on May 9, 2026 featuring 5K, 10K, a kids mile fun run and virtual options, with shirts, medals and awards for top finishers.

Area 51 Trail Race in Hernando, MS features 100 percent single track through hilly forest terrain with about 100 feet of climb per mile. Distances include 12K and 6K, and proceeds support the North Mississippi Trail Alliance.

Scenic City Trail Race in Chattanooga runs on a measured 6.65 mile loop with two laps for the half marathon and four laps for the marathon. Proceeds support Wild Trails, a local 501(c)(3) focused on trail conservation.

A trail race at Blevins Gap Land Trust near Green Mountain offering 5K, 10K and a two-loop half marathon. The event is cupless, limited to 250 runners, provides aid stations with bottled water, and includes a finisher medal and race shirt.

Trail running festival in Rollinsford NH along the Salmon Falls River, featuring a 5 Miler, 5K and Canicross 5K that mix rail trail, open fields and river single track.

Prairie Goat Ultra at Acton Recreation Area on May 9-10, 2026 features timed bike events on an approximate 8 mile loop and running events on 4 mile single track loops. Races are self timed and primitive camping is available.