Trail Running Calendar United States 2026-2027

A community 5K and 1 Mile run/walk on the Pennsy Trail starting and finishing at Sister Cities Park, supporting Sister Cities of Greenfield exchanges with Kakuda, Japan.

A mountain trail event at Belleayre in the Catskills with a 25K and an 8K open to hikers. The 25K includes about 5000 feet of climbing and the event runs as zero carbon while raising funds for The Catskill Center.

Beat the heat at the Summer Meltdown Half Marathon in O. P. Schnabel Park, San Antonio, on August 16, 2026. Choose from a kids dash up to the 13.1 mile half, enjoy on course aid, finish line snacks, great swag, and festive awards.

Join the third annual Tails & Trails 5K at Independence Oaks in Clarkston for a family friendly run or walk where leashed pets are welcome. Enjoy trail scenery, a kids Cat Walk, vendors, and fundraising for local animal rescues.

Run the scenic Leadville Trail 10K on August 16, 2026 in historic Leadville, Colorado, tracing the opening miles of the LT100 course at over 9,700 feet. Enjoy a fast out and back on paved and dirt roads with aid at the turnaround and awards..

Nitty Gritty is a lap based trail event at Red Lodge Mountain featuring singletrack, access road, and bushwhacking with options from a single Hot Lap to a full marathon and team relays. Dogs are welcome and the course changes yearly.

A biannual mountain trail race on Mount Mansfield near Stowe, Vermont, covering about 11 miles and 5,000 feet of climbing over technical and exposed trails. Entry is capped at 70 and requires a recent qualifying time.

Kick off the cross country season at Epiphany Cross Country #1 on Monday August 17 2026 at The Epiphany School in New Bern. Separate 5K races for girls and boys, professionally timed for fast competition and community fun.

A midweek trail 5k at Lory State Park in Bellvue, Colorado, presented as part of an August series. Chip timing, series points and awards, free vintage shirts for registrants, and pizza and beverages after each race.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

The Augúst in Helena, MT is the 58th running of a 5k trail race on a flat course. The no frills event has separate youth and adult 5k categories and raises funds for local high school cross country teams.

Explore rugged single track in Shawnee National Forest at Camp Ondessonk, with sandstone canyons, waterfalls and Salomon Ridge views across distances from a half to 100 Mile. Treehouse lodging, aid stations and buckle or medal finishes awai..

Experience the Post Canyon Half Marathon in Hood River Oregon on August 22 2026, a scenic trail race with waterfalls, mountain views and roughly 2300 ft of climbing. Enjoy aid stations, finisher swag and a lively trail atmosphere.

Firebird Trail Races on August 22, 2026 send runners on scenic single track loops through Lowell Preserve and North Falmouth Community Forest, with 13M, marathon and 50K options. Enjoy volunteer supported aid stations and a wood carved Fire..

A point to point 100K trail race in Naples, NY along the Bristol Hills Branch trail. The course is mostly single track with substantial elevation, a 20 hour cutoff, eleven aid stations, shuttle service, and UTMB and Western States qualifica..

Single-track trail races at Hyner Run State Park include a 14 miles course and a 7K option, with three aid stations, post-race food, and strict qualification and cutoff rules.

Gravel Worlds Run Series brings a multi distance trail weekend to Lincoln, Nebraska with 5k up to 50k on scenic gravel and dirt roads. Expect hilly sustained climbs, self supported racing with aid stations and double and relay options.

A 99.7 mile out and back ultramarathon in Leadville, Colorado, with 11 aid stations, high altitude passes near 12,526 feet, and belt buckle cutoffs at 25 and 30 hours.

Run the Dark Horse Trail Series at Tryon Equestrian Center on Aug 22, 2026. Choose marathon, half or 10K over scenic 6.5 mile loops with rolling climbs and packed dirt trails, then enjoy stables tours, camping, swag and live results.

Run the Byers Peak Stampede in Fraser Colorado for a scenic half marathon or 5K on high country dirt roads with Rocky Mountain views. Family and dog friendly event with proceeds benefiting families affected by cancer.