Trail Running Calendar United States 2025-2026

The Emerald Mountain Epic is a two day trail festival in Steamboat Springs blending mountain biking and trail running on rugged singletrack with big elevation gains. Enjoy fully stocked aid, a lively finish area, and proceeds that benefit l..

Enjoy Cougar Mountain trails through fern lined forest and wetlands in Bellevue with 5K, 14.5 mile, or 26.2 mile options. Part of a friendly summer series that supports King County Parks and offers podium prizes and series awards.

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..

Join the SAR Wild Run at scenic Shaver Lake for trail distances from a 2 mile hike to a half marathon, all supporting Fresno County Search and Rescue. Expect rugged singletrack, great views, chip timing, finisher medals and a post race BBQ..

Tackle technical trails at Stokes State Forest with options from a 5K to a challenging 17 mile loop, plus ruck divisions for 10K. Finishers earn a handcrafted wooden medal and unique swag.

Join Purple Heart on Sunday August 9 2026 at Creekside Trail in Kilgore Texas for a family friendly race offering a Kids Dash up to a half marathon plus a virtual option. Enjoy shirts and finisher medals for in person entries while supporti..

Join the Stonington Cross Country 5K in Pawcatuck CT on Wednesday August 12 2026 for a free community race that blends one track loop, quiet campus roads and scenic trails. A children's 1/2 mile for ages 10 and under also finishes on the sc..

Run the Buckeye 200: a 203 mile out and back from Lake Erie to Wellsville through lakefront roads, small towns, Amish country and foothills, or choose the 100 mile option. Finishers earn a large buckle and unique award.

Run scenic trails at the Flag Rock 5K in Norton, Virginia on August 13, 2026. Part of the High Knob Outdoor Fest, this lively 5K supports the festival and showcases the Flag Rock Recreation Area.

The Bigfoot 200 is a nonstop 208 mile ultramarathon through the Cascade Mountains around Mount St. Helens, featuring lava fields, ridgelines and old growth forests. Expect dramatic views, full aid and designated sleep stations.

Run the Bigfoot 20 Mile on August 14, 2026 in Cougar, WA, from Marble Mountain Sno Park. Enjoy 20 miles of scenic single track around Mount St Helens through lava fields, stream crossings and old growth forest within a 9 hour cutoff.

Run the rugged White Mountain trails at Jigger Johnson Ultras in Waterville Valley, with 20 mile, 50 mile and 100 mile routes over technical exposed terrain. Cupless event with required gear and live split tracking.

Summit North Trail Runs at Spirit Mountain in Duluth on August 14 and 15, 2026 offer technical singletrack, steep climbs and rocky descents, including the Ely's Tunnel scramble. Races range from a 5K to a heavy half marathon.

Enjoy a scenic 9 mile trail loop at Kohler Andrae State Park featuring beaches, boardwalks, marsh and pine trails along Lake Michigan. Friendly cupless race with post race food, awards and a commemorative finisher token.

Run scenic Forestville trails in mid August with 50 mile, 50K and community races for all levels. Volunteer run event supports local trail groups and cross country teams while offering friendly aid stations and a true community vibe.

Experience the Dog Days of Summer Trail Race weekend in Grandview, Tennessee, with looped trails from 1 mile to 24 hour events over hilly summer terrain. Camp by the course and run to benefit Flying Pigs Animal Sanctuary.

Hit twisty trails and climbs at Black Copperhead Sting in Belmont NC on August 15, 2026, with 50K, 25K or 5K loop options. Aid stations offer savory and sweet fuel and finishers earn a one of a kind handmade pottery medal.

Wy'east Trailfest is a two day mountain trail running festival at Mt Hood Meadows on August 15 and 16, 2026, with races from a kids 0.75 mile to a rugged 50 mile that climbs to 8000 feet. Fully marked courses, aid stations and finisher awar..

Take on the rugged MD Heat Trail Race in Elkridge with 25K and 50K options across rolling single track, technical rocky sections, river crossings and more than 2000 ft of vertical gain. Unwind at the post race party with craft beer, real fo..

The Bulldog Ultra The Bulldog Ultra is a trail running event held in the Santa Monica Mountains at Malibu Creek State Park on August 15, 2026. Distances offered include: 25k Trail Run 50k Ultra 75k (listed in the event schedule) The cours..