Trail Running Calendar United States 2026-2027

The Sunflower Relay, Half Marathon and Marathon will take place in Winthrop on Saturday 25 April 2026. You can run between 13 and 26 miles.

Experience Troublesome Hollow in Bristol VA April 25 to 26 2026 on fast riverside trails with swinging bridges, trestles and a brief climb to a fire tower. Choose 50K, 25K or a 3 mile walk with professional chip timing and aid stations.

Childish Nonsense is a playful trail race each late April at Deer Grove Forest Preserve West in Palatine, Illinois. Distances from 10K to 50 mile cover rolling crushed gravel loops with a friendly community vibe and plenty of shenanigans.

Run scenic looped trails at Reveille Peak Ranch through meadows, creek crossings and a huge granite dome. Distances from a youth 1 mile to a 52.4 mile double marathon make this a challenging, picturesque trail weekend.

Join the 38th Mt Tam Wild Boar Half Marathon and 10K on April 25, 2026 at Mt Tamalpais State Park for a scenic ridge and trail run with sweeping views of Bolinas Lagoon and the Pacific. Entry is limited to 300 runners for an intimate race d..

Run North Dakota's first ultramarathon through the Sheyenne National Grasslands, featuring wide prairie, forest pockets, and rolling sandhills. Choose 25, 50, or 100 km on April 25, 2026 in McLeod for a true trail adventure.

Run The Rolling Hills Trail Race returns to Pulaski TN the last Saturday in April for an annual celebration of scenic trail running through the rolling hills of Giles County. Choose a 10K, 5K or kids 1 Mile for a friendly family day on the..

Run under the stars on San Tan Mountain’s single 9 km loop at Sinister Night Runs, part of the 2026 Insomniac Night Series. Choose distances from 6K to 54K on scenic desert trails with stocked aid stations and a lively nocturnal vibe.

Join the Knock On Wood Trail Run and Hike at Pleasant Ridge County Park on April 25, 2026 for scenic shaded trails with a half marathon or 10K option. Enjoy live timing, music, giveaways and a festive post race party while supporting youth..

Run 100 miles along the scenic C&O Canal towpath on April 25, 2026 near Knoxville, Maryland, with river and Appalachian views and helpful aid stations along the route. This spring ultramarathon is a WSER 2026 qualifier.

Enjoy rolling singletrack around Lake Brandt at the Owls Roost Rumble, a scenic trail run featuring lakeside views and varied terrain. Limited to 500 runners and part of the NC Trail Mega Medal Series, with in person and virtual options.

Take on the Thumb Coast Ultra and Relay in Michigan’s scenic Thumb region on April 25, 2026, with 50 Mile, 50K, relay, ruck, and virtual options. Mostly dirt and gravel roads, stocked aid stations, great swag and a finisher medal.

Support Sharps Ridge Veterans Memorial Park at the Veterans Heritage Ridge Run on Saturday, April 25, 2026. Choose a 5K timed trail run, 10K Ruck Race or 1 mile family walk through scenic wooded hills with a JROTC competition.

Join Moonlight Meltdown and Sunset Safari in Belgium, Wisconsin for a flat, well lit 5k or a scenic 10k into Harrington Beach State Park. Chip timing, shirts and refreshments raise funds for Belgium Fire and Rescue and local youth programs.

Run the scenic Pinhoti Trail at Rockin Choccolocco in Heflin, AL with 50K, 25K, 10K and a Kids Fun Run, all finishing at Cahulga Creek Park. Expect rugged single track, aid stations, finisher medals and a friendly festival vibe.

Experience four scenic 15.5 mile loops through New River Gorge at Falling Water Ultras with solo and relay options and onsite weekend camping. Tough trails, creek crossings, and community support benefit Adventure Appalachia.

Run the rim at Royal Gorge Groove in Cañon City, Colorado, with distances from a 5K to a rugged 50K. Enjoy technical trails, sweeping Arkansas River views, live chip timing, and an energetic resort atmosphere.

Join the Dirty Spokes Spring Trail Run at Allatoona Creek Park on April 25, 2026, with 6.9 and 3.75 mile loop options over scenic dirt and grass trails. Enjoy soft tech shirts, age group awards, and a lively community vibe.

Loop The Hooch invites runners to tackle scenic 5K loops along the Chattahoochee River in Suwanee with 50K and 25K solo options and a 50K relay for teams up to five. Cash prizes await anyone who breaks the 50K solo or relay course records.

Run the Skunk Ape in Ocala FL on April 25 to 26 with 50 Mile or 100 Mile options on scenic trails. Expect sandy single track through pine woods and lakes, strong aid station support, with a buckle for 100 Mile runners.