Trail Running Calendar United States 2025-2026

Hit the scenic Billings Skyline Races on Sunday May 31 2026 along the Rimrocks with sweeping views of the Yellowstone Valley and Beartooth Mountains. Choose the half marathon or 30K and finish at Two Moon Park for a rewarding day.

Join The Big Run Roanoke at Fallon Park for a scenic timed 5K on the Tinker Greenway plus a free kids fun run. Organized with Brooks and Virginia Amateur Sports, the race supports Smiles4Tab and features awards and a midpoint prize.

IronHike Series Spring 26 takes place June 4 to 7 at Mohawk Mountain, CT, with solo and team endurance options from 15 to 152 miles. This non competitive FlexRelay invites crews to self manage pacing, rest and night trekking.

Tackle the Hell Hole Hundred in early June on flat dirt and single track through the swampy Jericho Horse Trail near Bethera SC. Options from 10k to 100 miles, primitive camping and stocked aid stations make for a classic southern ultra.

Run the MoMoFo 100 km or 20 mile fun run in Morgan Monroe State Forest on June 5 and 6 2026, over scenic single track, rock outcrops and lakes. Virtual entries can complete their distance May 1 to June 7 and receive finisher swag.

Scout Mountain Ultras near Pocatello Idaho is a rugged trail weekend in early June with races from 23 to 100 miles, the 100 mile acting as a Hardrock qualifier. Expect big climbs, variable snow and mud, and an inclusive field.

Run the Howlin’ Trails 5K or 10K on June 5, 2026 in Fayetteville WV along scenic Wolf Creek Trails. Enjoy rolling woodland singletrack, a commemorative sport towel, and family friendly fun benefiting local kids run clubs.

Run the scenic Dam Yeti ultramarathons on the Virginia Creeper Trail with 50 mile, 55K and 25K Pepsi Challenge routes over crushed gravel and across historic trestles. Finish at Sweetbay Brewing Co for a relaxed post race celebration.

Tackle technical single track, stream crossings, and sweeping vistas in Tiadaghton State Forest with a 25K or Half Marathon option. Enjoy rugged, rewarding trails through the Algerine Wild Area and Black Forest Trail.

Take on Hanson Hills in Grayling on June 6, 2026 with either around 3 miles or a hilly 5 mile trail. Walkers are welcome on the shorter route and custom socks are yours while supplies last.

Run the 6th annual Pronghorn Pursuit Trail Run in Dillon, MT, featuring scenic single track through the High Trails with views of the Beaverhead River Valley. Options range from a challenging 15k to a kid friendly 1 mile for all abilities.

Run the 36th annual Shadow of the Giants in Fish Camp CA, with 50k and 20k trail options and early starts, scenic aid stations and challenging mountain terrain. Camp lodging and a pre race dinner make it a full weekend event.

On June 6, 2026 tackle scenic single track through Rose, Butterfield and Yellow Fork canyons with 30k, 50k or 50 mile options and big climbs. Limited fields, solid aid stations, free race photos and a local finisher medal.

Tackle rolling, technical single track at the Dirty Spokes Haw Creek Park trail run in Cumming GA on June 6, 2026. Choose a 6.4 mile or 3.35 mile route through wooded trails and rocky climbs for a fun, challenging off road race.

Tackle the legendary Old Dominion 100, a 100 mile cross country endurance run near Fort Valley, Virginia with a history dating to 1979. Expect rugged mixed terrain, volunteer support and a silver buckle for finishes under 24 hour.

Run the Summits Trail Runs at Granby Ranch Resort in Granby, Colorado on June 6, 2026. Choose distances from 6 miles to a 12 hour Elevation Challenge across scenic single track, alpine meadows and big climbs.

Cottonmouth 8 Mile at Lakewood Nature Preserve on June 6, four laps of a 2 mile grassy loop with BYOB beer sips between laps and chip timing. Finishers get medals, food and Beer Olympics while supporting the Upstate Running Club youth team.

Run the Cuyahoga Valley 5K and family fun run at Old Trail School on June 6, 2026 in Akron. Enjoy a scenic 5K through wooded Cuyahoga Valley National Park trails or a flat one mile grass loop ideal for families and strollers.

Hit coastal singletrack at the Malibu Canyon Trail Races in Point Mugu State Park. Pick distances from half marathon to 100K and enjoy stunning ocean views and a rewarding trail challenge on June 6, 2026.

Tackle the Eagle Up Ultra at St Helena Park in Canal Fulton with a scenic five mile loop along the Ohio Erie Canal Towpath. Pick 24 hour, new 25K, or relays chasing 100 miles, with aid stations, camping and a post race beer.