Trail Running Calendar United States 2026-2027

Trail races at Seeley Creek Nordic Trails in Seeley Lake, Montana on July 18, 2026, with distances from 10K up to 50K across ski trails, singletrack, and Forest Service roads near the Bob Marshall Wilderness.

Endless Summer 6 hour Run is a timed six hour event at Greenbury Point Nature Center in Annapolis on July 18, 2026. It is listed on the Annapolis Striders race calendar.

A two-day nighttime trail event at Colorado Bend State Park on July 18 to July 19, 2026. Multiple distances are offered from a youth one-mile to a 60K, with a 10K ruck and virtual options.

Take on the Summer Hill league at Ardwhallan Outdoor Pursuit Centre in West Baldwin on Sat 18 Jul 2026, a testing 4.5 km trail with 150 m of climb. Pre entry is required and junior entries welcome for a fun, competitive summer race.

Trail event on Casper Mountain with an 8-mile two-lap race and a Backyard Ultra running a 4.17-mile loop hourly; the loop is about 4.15–4.20 miles with 450 feet gain on forested single-track at 7,800–8,100 ft.

Event Details Rudolph's Revenge is a 5K night run held on July 18 at Northwestern High School in Rock Hill, South Carolina. The event is a fundraiser for the Northwestern Cross Country Team. Course The race uses the Northwestern High School..

Tackle the Stagecoach Trail at Powderhorn Mountain Resort. Choose between a steep 5K climb or a demanding 15K that goes up the mountain twice. The registration includes a lift pass, t-shirt, and post-race food.

Two trail races in Steamboat Springs on July 18, 2026: a 9.5 mile loop with significant climbing and rocky single track, and a 5k out and back on rolling two track. One aid station on the longer course, cupless event, prize raffle and post..

Trail half marathon and 10K in Penn Yan, NY following the Minnesetah River with waterfalls, historic mill sites and mixed trail surfaces. In-person and virtual options are offered and registration is limited to 400 participants.

Two trail distances at Harris Lake County Park on July 18, 2026 combine wide dirt road, open meadows and forested single track with lake views. Limited field, frequent aid stations, chip timing and a free kids Race for Treasure.

Rogue//13 is a 13-hour endurance challenge at Mount Spokane State Park. Runners aim to log as many miles as possible on a 4.5-mile out-and-back trail. All finishers get a tee and patch, with a custom buckle for those who reach 50 miles.

Run scenic mountain trails around Aspen Snowmass at the Audi Power of Four Trail Run on July 18, 2026. Choose from 10K, 25K or an epic 50K and enjoy challenging terrain, alpine views and Audi supported race day energy.

Join the Hot to Trot event in Griffith Park, Los Angeles, on July 18, 2026. Choose from a 5k, 10k, 15k, or half marathon on a scenic, shared dirt trail. Registration includes a finisher medal, free photos, and a supportive atmosphere.

Join Run With The Wild on July 18 at scenic Seeley Creek Trails in Seeley Lake for community trail runs of 1K, 5K and 10K. Enjoy a free pancake breakfast for participants and celebrate with awards and prize drawings afterward.

Celebrate Christmas in July with this free 6-hour endurance race. Run a shaded gravel loop alongside the Big Piney River, with prizes for costumes and mileage. Donations benefit Operation Christmas Child.

Trail races on Mt. Tam near Stinson Beach offering 10K, half marathon, and 30K courses with steep climbs, technical single-track, cupless aid stations, chip timing, and a 300-runner capacity.

A community 5K in San Juan on July 18, 2026 supporting RGV’s Little Elves, a nonprofit providing essentials to children and families in need. Events include an open 5K and a 5K for ages 1 to 17 with chip timing and finisher medals.

Wicked Wine Run in Buffalo pairs a 5K run or a 1K tasting walk at Liberty Vineyards & Winery on July 18, 2026, with wine sampling on course, finish line pours, event shirts, and postrace activities.

A 50k out and back on the West Rim Trail near Wellsboro, Pennsylvania on July 18, 2026. Organized by the Tyoga Running Club with event updates shared on Facebook.

A Richmond-area trail running event offering 50K, 26K and a two person relay on mixed road and rugged trails with substantial elevation gain. Proceeds support Cochran's Ski Area youth programs.