Trail Running Calendar United States 2025-2026

Run into dusk at Nine Mile County Forest with 5K, 10K and Half Marathon options where lights are required. Stay after the race for live music, food and beer and a festive trail community vibe.

Take on the Never Summer trail ultras near Gould, Colorado, with 60 km and 100 km routes across high alpine ridges, lakes and rugged terrain. Expect big climbs, wildlife sightings and a true mountain adventure.

Enjoy wooded singletrack, fields, bridges and old growth forest in Webster Park and nearby preserves with a 10 Miler, 3.5 Miler or 1 Mile kids run. Pre registration only with limited spots; aid is cup free mid course so bring a bottle.

Run the rugged Sierra singletrack in the Lost Sierra Endurance Race in Downieville on July 25, 2026, with 25K, 50K, and 100K options to challenge every level. Celebrate with fellow runners at a friendly post race gathering in town.

Run the Mighty Mosquito Trail Race & Relay on July 25 and 26, 2026 at Mendon Ponds, with distances from 10 miles to 100 miles plus team relays. Camp nearby and support the Blue Foundation.

Take on Pikes Peak Ultra in Colorado Springs on July 25, 2026, with distances from 20K to 50 Mile starting and finishing at Bear Creek Regional Park. Expect scenic trail climbs, Pikes Peak views and a true mountain test for trail runners.

Standhope 100 is Idaho's highest trail race, a remote 100 mile journey through the Pioneer Mountains that tests runners with altitude, long climbs and technical descents. Limited aid and trackers make it brutal but rewarding, with a custom..

Run under a full moon on scenic loops through manzanita and rock formations near Cahuilla Mountain, with distances from a 9 miler up to 50K. Limited to 200 runners for an intimate nighttime trail experience.

Join the 20th Burning River Endurance Runs July 25 to 26, 2026 for scenic trail running through Cuyahoga Valley National Park and Summit Metro Parks. Solo and team entries welcome and proceeds benefit local park conservancies.

Explore scenic Grand Island off Munising, Michigan, with half marathon, marathon or 50K trail routes winding past sandstone cliffs, sandy beaches and Trout Bay. Field limited to 500 and includes ferry and shuttle; July 25, 2026.

Dirty Spokes' Red Top Roaster Trail Run takes place at Red Top Mountain State Park in Cartersville, Georgia. The 14th annual event offers two distances: 8.85 miles and 3.1 miles, with course maps using the Sweet Gum, Homestead, Campground,..

Tackle scenic singletrack and steep alpine climbs at the Enchanted Forest Trail Races in Red River New Mexico. Three distances invite runners seeking big views, technical trails, and a lively downtown start and finish.

Run the Diablito 50/50 at Tickfaw State Park on July 25, 2026, choosing a 50 Miler or 50K on scenic river loop trails. Enjoy packed aid at the start/finish, rustic park charm and a true backcountry challenge.

Mountain trail race in the White Mountains near Chatham NH, choose 14K or 29K over the Baldfaces with big climbs and rugged terrain. Mandatory gear and self hydration make this a true backcountry challenge for seasoned trail runners.

Tackle Alyeska's Cirque Series in Girdwood for a steep, technical 6.1 mile mountain challenge with nearly 4,000 feet of vertical gain. Expect epic alpine ridge views, rocky climbs and a thrilling forested descent to the DayLodge finish.

Run through the sultry coastal trails of Savannah along the Ogeechee Canal with 20K, 10K and 5K options. Expect humid summer heat, slick boardwalks, local wildlife and a collectible drinking glass for all finishers.

Last at the Lake on July 25, 2026 at West Point Lake features a Last Man Standing 5K loop and a 50K ten lap race on scenic Turkey Run Trail. Limited to 100 runners, enjoy shaded single track, lakeside views, cash prizes and finisher medals.

Take on Madder Than A Wet Hen, a rugged 5K trail race at Willenborg Woods in Charleston on July 25, 2026, with river crossings, steep climbs and roughly 1,100 feet of gain. Field limited to 125, with post race pancakes and ice cream.

Take on the Oregon Cascades 100, a point to point trail race in Oregon offering 100 and 50 mile courses across mostly single track, big climbs, and scenic forest roads. A Western States qualifier with custom buckles for finishers.

Run the Divide Trail Race in Butte, MT, a scenic 25K or 50K on the Continental Divide Trail and historic Milwaukee Road with tunnels and mountain views. Expect rugged single track, big climbs around Pipestone Pass, and a true mountain trail..