Trail Running Calendar United States 2026-2027

Run the TARC Blue Hills Skyline 12K on June 21 in Milton, MA, tackling about 2,300 feet of climbing on rocky, technical Skyline trails. Stair climbs and panoramic Boston skyline views make this a memorable trail challenge.

Run under the stars at Dark and Dirty Miles, a night trail at Twin Mountain Offroad Park on a repeated 5K loop that keeps you close to start and finish. Multiple run and ruck distances, stocked aid stations, post race meal, race shirt and f..

Run the Chernisky Classic in Ebensburg with 5K and 10K routes on the scenic Ghost Town Trail, plus a free Firecracker Race for little ones with firetrucks and firefighters. Proceeds benefit the Cambria County Regional Firefighters.

Run scenic singletrack and river bottom trails through Bear River State Park and local wildlife habitat in Evanston, Wyoming. Distances from 10K to 17 miles offer options for walkers and racers, with aid stations and finisher swag.

Run the Coal & Coke Fireworks 30 or 10 Miler in Mt Pleasant, PA on July 11 2026 along the scenic Coal and Coke Trail with rolling 5 mile loops on crushed gravel and pavement. Enjoy organic aid, crew access and handmade finisher medals with..

Crawlin With The Cougars in Spanish Fork, Utah on July 11 offers 25K and 50K through Wasatch ridgelines and alpine meadows, finishing in Hobble Creek Canyon. Expect big climbs, airy panoramas and flowing descents.

Run the Spartan Trail Poconos 10K at Blue Mountain on July 12 2026, over scenic singletrack and rolling Pocono hills. Part of a Spartan weekend, the race welcomes solo and team entries and offers service member discounts.

Take on the Wasatch Scramble Spartan Trail 10K at Snowbasin Resort in Huntsville, Utah on July 12, 2026. Expect a short but demanding singletrack course with high altitude and stunning mountain views, plus Spartan obstacle races all weekend..

Hit the trails at the Koala Bottle Harbison Half Marathon and 5K in Harbison State Forest, Columbia on July 12, 2026. This environmentally sustainable trail event offers a race tee and finisher medal amid scenic forest singletrack.

Run the Kailua Beach 4.4 mile Shark Chase at Kailua Beach Park on July 12, a playful shoreline out and back led by a costumed shark. Celebrate after with a community potluck and easy beach vibes.

Run the 2nd Annual Running of the Bulls Trail Race in Big Sky, Montana, on scenic dirt and single track trails during Big Sky's Biggest Week. Choose 21K, 11K or a 5K relay and celebrate at Big Sky Events Arena with food trucks and awards.

Take on the Sweet Air Trail Race at Gunpowder State Park on July 12, 2026, a scenic out and back with rolling hills, faster stretches, water crossings and a bit of mud. Limited to 100 runners, entry is free and donations are welcome.

Run the Christmas in July 5K, 10K or Half Marathon in Bossier City on July 12, 2026 at Walker Place Park. In person or virtual options on mostly flat Red River trails, with a custom finisher medal, race shirt and age group awards.

Join the 20th Sunset Through the Trees Fun Runs, a Tuesday evening series in Redding from July 14 to August 25 featuring short and mid distance routes through parks. Grab a punch card to run the full series and score a commemorative T shirt..

Cascade Crest is a rugged 100 mile trail race in Easton WA featuring 23,000 plus feet of climbing, 32 miles on the Pacific Crest Trail and a run through the 2.3 mile Snoqualmie Tunnel. Expect technical, forested singletrack and epic views.

The Ouray 100 Mile Endurance Run is a rugged 100 mile trail race in Ouray, Colorado, with massive climbing across the San Juan Mountains. This unfussy, traditional ultramarathon culminates with a dramatic ascent to the Bridge of Heaven.

Join the Cross Country Sundown Showdown 5K in Carterville on July 17, 2026, starting and finishing behind the Community Center. Teams and solo runners will enjoy a grassy, scenic course and compete for top finisher and team awards.

Tahoe Trail runs July 17 to 19, 2026 at Northstar California in Truckee. Enjoy mountain biking and trail running at multiple distances with scenic Lake Tahoe views, an on site Expo and kids rides for a lively outdoor weekend.

Join the CMAR Trail Races at Camp Wokanda July 17 to 19, 2026, offering 100 Mile, 50 Mile, 50K and Half Marathon on scenic, hilly loop and out and back courses. Big elevation and friendly aid stations make it a rewarding trail challenge.

Run the High Lonesome 100 in Nathrop, Colorado July 17 to 18, 2026, a 101 miles mountain loop through the Sawatch Range. Expect alpine terrain, five passes, massive elevation gain and sweeping views with a 37 hour cutoff.