Trail Running Calendar United States 2025-2026

Staunton Rocks! Marathon and Half deliver high altitude singletrack through Staunton State Park, offering sweeping mountain views, alpine wildlife, and serious vertical gain. With just 150 spots per distance, this rugged trail run fills fas..

Run scenic mountain trails in downtown Ruidoso and support All Season Adaptive Sports at the annual Grindstone Trail Runs. Multiple distances, swag, pro photos and a lively post race party make this a fun day for every runner.

Run the Triple Dam 10K in Perkinsville VT on August 23, 2026 for a scenic road and trail loop with a fun calf deep river crossing. Open to runners and walkers, proceeds support Springfield High School cross country.

Hit the fields at Waters Farm on Sunday, August 23, 2026 for the Old Goat Track Club XC Classic, a fast and friendly 5K cross country through scenic farm trails. A USATF New England Grand Prix stop with race day registration available.

Run 50 km across the surreal Black Rock Desert at Burning Man, where dust, wind and heat create an unforgettable ultramarathon. Entry is free with a Burning Man ticket and registration, blending endurance with the festival spirit.

Backcountry Rise takes runners into the Mt St Helens backcountry for scenic, rugged trail running. Race 50K, 20 mile, or half marathon loops at Coldwater Lake with aid, camping, and proceeds benefiting the Mt St Helens Institute.

Run the Goats In The Dark 5k in Helena, MT on August 28, a scenic night trail across Mount Helena singletrack with a spirited finish back to the start. Headlamps required as the route passes through sunset into full dark.

Run the rolling grounds of Talon Winery at the eighth annual Cabernet Canter, with scenic 5K and 10K cross country courses. Enjoy finisher awards, a wine ticket and live music while celebrating among the vines.

Hit the forest trails at Dirt Farm Brewing on August 29, 2026 for the Inferno 5k and 10k. Tackle a scenic, technical loop, earn a finisher medal and a Dri FIT shirt, and toast with a glass of Dirt Farm beer. Virtual option available.

Take on rugged single track at Wilson State Park with the Hell Creek Half and 50K, featuring lakeside views and punchy climbs. Choose a 13 mile loop or the full 50K and enjoy fully marked trail and staffed aid stations.

Run the Midwest States 100 in Westboro, Wisconsin on August 29 to 30, 2026 along the Ice Age National Scenic Trail, with 100 mile, 100K and 50k options. Small field and camping add on make for a rugged grassroots experience.

Take on the Baker Trail UltraChallenge 50 mile northern course, a point to point ultramarathon through scenic single track, roads and 6,200 feet of climbing. Enter solo or with a relay team for a memorable summer challenge.

Experience a spirited trail running weekend with 50 mile and 50K ultras plus marathon and half marathon options, famed for huge finisher medals and a lively post race party. Registration for 2026 is closed but a wait list will open soon.

Tackle the Cirque Series at Grand Targhee: a rugged 7.1 mile trail with 2,212 ft of climbing through alpine ridges and technical singletrack. Limited to 500 runners, expect stunning views, big climbs, and finish day swag.

Explore rugged single track through old growth forest at the Salt Springs Trail Races on August 29, 2026 in Montrose PA. Choose 5K, 10K or a demanding 50K five loop course with steep climbs and technical descents while supporting the park.

Join the Labor Day Slay on Saturday, August 29, 2026 at Queeny Park in St Louis for 5k, 10k, half marathon and 10K Ruck on fully marked trail loops. Expect chip timing, finisher medals, swag and race day packet pickup.

Challenge yourself on the scenic rolling trails of Philip S. Miller Park in Castle Rock at Rock Hawk Trail Races on August 29, 2026, with 50K, 25K, 10K and 5K distances. Organized by Aravaipa Running, the event supports local open spaces an..

Enjoy scenic, technical trails in St Croix Falls with marathon, half marathon and 10K options over rolling hills, bridges and single track. Limited to 150 online entries, this intimate event features full aid stations and a full color finis..

Take on a 30K open water swim across Pittsburgh's three rivers, starting at Point State Park with full boat and kayak support. This annual late August event raises funds to help families cover infant cardiothoracic surgery costs.

Tackle the scenic trails of Waterville Valley NH near Town Square on Aug 29, 2026 with options from a 1.5 mile fun run to a rugged 50K over iconic peaks. Enjoy challenging terrain, aid stations, and commemorative finisher awards.