Trail Running Calendar United States 2026-2027

Emerald Mountain Epic in Steamboat Springs on August 8 and 9, 2026 is a two day mountain bike and trail running weekend on scenic singletrack dirt trails. Race marathon, half or bike distances with a limited field of 500 per day.

Run Cougar Mountain's scenic single track trails with 5K, 14.5 mile or marathon options on August 8. Expect fern lined paths, rolling hills, cup free aid stations so bring a refillable bottle, plus post race food and beer.

Run or hike scenic singletrack at Oak Hill with 5 mile or 10 mile options featuring a fast descent, long climb, and twisty rooted trails. Enjoy finisher swag and race day vibes while supporting the Conservancy for Cuyahoga Valley National P..

Run the Snowbowl 15K in Missoula on August 8, a scenic mountain loop with a steady climb and a thrilling single track descent back to the lodge. Finish with chip timing, a race tee, post race lunch and a beer.

Run under the stars at In the Heat of the Night, a night trail on Talladega Forest roads near the Pinhoti Trail. Expect stocked aid stations, warm food, and handmade finisher amulets.

Test your limits on looped, technical trails at Crystal Springs Recreation Area with 12 hour, 6 hour and 3 hour timed options that wind through High Rocks and Boundary trails. Shuttle service is required and this is a cupless event so bring..

Take on scenic, technical trails at the Mines of Spain Trail Races in Dubuque, IA on August 8, 2026, with 4 mile, 7 mile and half marathon options. Enjoy bluff views of the Mississippi, challenging climbs and a family friendly kids mini rac..

Join the Sweltering Summer Ultra, an 8 hour track challenge at Clapp Park in Pittsfield where runners and walkers lap a cinder loop and hit a marathon split. Chip timing, live leaderboard, refreshments and awards support the AYJ Fund.

Join teams of six for the Elkhorn Relay near La Grande, Oregon, an 81 mile relay that winds from river corridors into backcountry roads and finishes with a mountain trail at Anthony Lakes. Expect about 6,000 feet of climbing and stunning al..

Experience the 4th Annual Swift Bear Trail Run in Hays Montana with scenic mountain courses and options from a 10 mile or 20 mile up to a new 50K. Varied trail terrain, friendly competition, and prizes for top finishers await.

Run the scenic Third Winchester Battlefield on Aug 8, 2026 with 5k, 10k or half marathon options on mostly gravel trail. Chip timed event with finisher medal, tech shirt and virtual option, supporting Operation Enduring Warrior.

Run Capt'n Karl's at Reveille Peak Ranch near Burnet, Texas on August 8 and 9, 2026 for a rugged, scenic weekend across rock domes, single track and wooded hills. Distances span 1 mile youth to 60K on technical terrain with steep climbs.

The Tarc Summer Classic will take place in Medfield on Saturday 8 August 2026. You can run between 10 and 40 miles.

Join the SAR Wild Run at scenic Shaver Lake to support Fresno County Search And Rescue. Pick a half marathon, 10k, 5k, 2 mile hike or virtual entry and tackle trails through meadows, forests and streams before a festive postrace BBQ and awa..

Thunder Chicken Squatch invites trail runners and hikers to tackle technical rock and root trails at Stokes State Forest in Branchville NJ on Sunday, August 9, 2026. Choose 5K, 10K with a ruck division, or a 17 mile loop with aid stations a..

Run The Purple Heart at Creekside Trail in Kilgore, Texas on Sunday, August 9, 2026 with distances from a free Kid's Dash to a half marathon and a virtual option. Participants receive event shirts and finisher medals while proceeds support..

Run the Tunnel Vision Marathon or Half on August 9, 2026 between Snoqualmie Pass and North Bend, WA. Scenic point to point net downhill course with a run through Snoqualmie Tunnel and strong Boston qualifier potential.

Experience the Stonington Cross Country 5K at Stonington High School, a scenic route from the track through campus streets and wooded trails to a field finish. Family friendly with a kids half mile for ages 10 and under.

Experience the Buckeye Ultra, a rugged 203 mile out and back road run from Lake Erie beach through rolling hills, small towns and Amish country. Opt for the 100 mile finish or tackle the full course for a distinctive buckle and epic challen..

Join the Flag Rock 5K Trail Run in Norton VA on August 13, 2026 for a scenic run through the Flag Rock Recreation Area trails. Part of the High Knob Outdoor Fest, this community event benefits the festival and celebrates outdoor adventure.