Trail Running Calendar United States 2025-2026

We have found 2280 Trailruns in United States. Check below where and when you can find the races.

Choose from 50 miles, 50K, or 25K on shaded single track around Timothy and Clackamas Lakes with sweeping Mount Hood views along the Pacific Crest Trail. Friendly volunteers and a community vibe make this summer trail weekend memorable.

Run high on the Siskiyou Crest at the Siskiyou Out Back Running Festival in Ashland Oregon, July 11 to 12, 2026. Two days of scenic trail runs on the PCT with camping, food and live music amid stunning mountain views.

AKtive's Backyard Ultra at Government Peak near Hatcher Pass in Palmer Alaska challenges runners to complete a 4.17 mile loop every hour until one person remains. Expect technical single track, elevation and night loops, so come prepared.

Enjoy a scenic 13.1 mile trail along Deer Creek Reservoir at Soldier Hollow Campground in Midway Utah on July 11, 2026. Capped at 225 runners, the event includes a race shirt, local finisher medal, free photos and tasty post race food.

Devil's Gulch in Wenatchee, WA on July 11, 2026 features 100 mile, 50 mile, half marathon and kids races through Ponderosa forest, rocky ridgelines and sweeping Enchantment Plateau views. Expect big climbs, epic scenery and finisher awards.

Tackle the Ironstone 100K, a scenic point to point trail ultramarathon across the Alleghenies, July 11 to 12, 2026. Expect rugged singletrack, minimal aid, and a true backcountry challenge for experienced runners.

Experience the Octopus Ultra in Vero Beach and tackle up to eight out and back arms from the Environmental Learning Center with distances from 5K to 100 mile. Summer heat and long sections without water make it a true test of planning and g..

Tackle the Honey Badger 100 in Wichita on July 11, 2026, a rugged 100 mile ultramarathon at Cheney State Park with a 36 hour cutoff. Expect long road miles, mandatory crew support, and finisher buckles for those who make it.

Run under the stars at Stunner Night Runs in Usery Mountain Regional Park on July 11, 2026, with 6K, 12K, 25K and 50K options. Enjoy flat, fast desert trails, series perks and a Double Down combo pairing Friday ride with Saturday run.

Scenic 5K and 10K trail races through the Green Mountain National Forest at Blueberry Hill Outdoor Center in Goshen. Proceeds support the center and registration opens Nov 1, 2025.

Take on Loon Mountain's Upper Walking Boss on July 12 in Lincoln, New Hampshire, a roughly one kilometer black diamond climb that will test every runner. Men, women and U20 categories plus a $1,500 challenge purse raise the stakes.

Hit the trails at Harbison State Forest in Columbia for the Koala Bottle Harbison Half Marathon and 5K on July 12, 2026. This eco friendly race rewards every finisher with a shirt and medal and celebrates trail running for all paces.

Beat the summer heat at the Heatwave Half Marathon in Toledo on July 12, 2026, offering distances for all abilities from kids dashes to a half marathon and relay. Enjoy race swag, medals, chip timing, post race treats, and a virtual option.

Tackle the rugged high elevation singletrack at Snowbasin Resort in the Utah Trail Experience Spartan Trail. Take on the scenic 10K and enjoy a weekend of Spartan racing with sweeping mountain views and outdoor adventure.

Tackle the Poconos Trail Experience 10K at Blue Mountain Ski Area on Jul 12, 2026, with hilly singletrack that rewards grit and speed. Stay for a weekend of Spartan obstacle course races and community vibes, with discounts for service membe..

Cascade Crest is a rugged 100 mile trail ultra near Easton Washington that climbs over 23,000 feet and includes about 32 miles on the Pacific Crest Trail. Expect deep forests, the 2.3 mile Snoqualmie Tunnel, and a relentlessly scenic mounta..

Run the 1st Annual Sundown Showdown 5K cross country in Carterville IL on July 17, 2026. Team or individual runners will tackle a grassy course and compete for awards for top finishers and male, female, and mixed teams.

High Lonesome 100 is a rugged 100 mile mountain loop in Colorado, crossing five alpine passes and sections of the Continental Divide and Colorado Trail. Mid July racing delivers big climbs, sweeping alpine views, and a true endurance test.

Ouray 100 is a 100 mile mountain ultramarathon in the San Juan Mountains on July 17 2026, with 14 climbs and a final ascent to the Bridge of Heaven. Finish at Fellin Park by the hot springs and earn a belt buckle.

Run Mount Rainier trails July 17 and 18 2026 at Crystal Mountain Resort, from summit starts and steep climbs to fast descents across 5K to half marathon distances. Registration includes a daylong scenic gondola pass.