Trail Running Calendar United States 2025-2026

The ACT Trail Fest, held in Arundel, Maine, is an annual trail running event featuring 5k, 10k, and half marathon distances. Participants run or walk through the scenic Arundel Community Trails and Eastern Trail, enjoying woodland and stream views. The race starts and finishes at the Arundel Municip..

Mountain Lakes 100 is Oregon’s scenic 100‑mile ultramarathon staged at Olallie Lake. Runners cover a looped course that includes roughly 60 miles of the Pacific Crest Trail, weaving through dozens of lakes with mountain views and a mix of technical rocky sections. The event is renowned for its stron..

Buzzard Rock Ultras is a Bear Creek Race Series event in Robbins, North Carolina, offering a 50K and a 10-mile trail option. Runners tackle a demanding 10-mile loop with about 1,000 feet of gain per lap (roughly 3,000 feet for the 50K), featuring rolling singletrack, punchy climbs, and scenic Bear C..

Race the Rocks Mountain Challenge is a 50K mountain run set in the City of Rocks National Reserve and Castle Rocks State Park near Almo, Idaho. The cross-country course winds primarily on single-track trails amid granite spires, featuring the legendary Log Run—a 1,500-foot ascent in about a mile. Ru..

Three Sisters Skyline in Sisters, Oregon, offers two scenic mountain courses: a 50K and a half marathon, finishing in Sisters. The 50K climbs about 3,700 feet and descends 4,700, with 95% on single-track trails and views of the Three Sisters Wilderness. The half marathon is a point-to-point course w..

J Treequinox is a 12-hour ultramarathon held near downtown Joshua Tree, California, on a private 20+ acre desert property. The race features a 1-mile loop course, allowing runners to pace themselves one lap at a time while enjoying the serene high desert environment. Participants pass through a well..

The Osprey Trail Run takes place at the George LeStrange Preserve in Fort Pierce, Florida. The event offers two main race distances: 8K (about 5 miles) and 25K (about 15 miles). The courses are loop-based, with the 8K running two laps and the 25K six laps around a lake and Ten Mile Creek, traversing..

Broken Anvil Backyard Ultra, part of the Backyard Ultra Series, is staged in West Point, Iowa at South Park near Pollmiller Lake Campgrounds (61 5th Street). Runners tackle 4.167-mile loops consisting of paved path/road, crushed gravel, and a bit of trail, with about 175 feet of elevation per lap. T..

She ROCKS Run takes place in Wilmington, North Carolina at Long Leaf Park. The event offers a 5K Run/Walk (timed) and a 1.5 Mile Fun Run/Walk (not timed). The entirely park-based course is marked and mostly flat, running along the park’s walking paths with scenic views of ponds, trees and flowers; i..

The Great American Pizza Run takes place in Long Beach, California, at 5400 E Ocean Blvd, offering multiple pizza-themed distances: 5K (The Fast Slice), 10K (The Deep Dish Dash), Half Marathon (The Full Pie Half), 1-Miler (The Cheesy Mile), and a Kids Dash (The Little Mozzarella Sprint). The course..

The Bull Run Reunion Run 2025 is a 3-mile cross country race held in Parkton, Maryland, at Hereford High School. Scheduled for September 20, 2025, this event is part of the Bull Run Cross Country Invitational and is open to all ages. The Reunion Run is the seventh race of the day, offering participa..

St. Anselm's Family 5k is a family-friendly fundraising race in Washington, DC, held at 4501 South Dakota Ave NE. The event covers a 5k distance on a double-loop trail course, suitable for runners and walkers alike.It benefits a memorial scholarship fund at St. Anselm's Abbey School, supporting stud..

Rocky Ridge in the Las Trampas Wilderness near San Ramon, California offers a challenging trail experience for three distances: half marathon, 10K, and 5K. The course climbs into the ridges with hills and rugged trails, rewarding runners with rarely-seen vistas and a lasting sense of accomplishment...

The Flagstaff to Grand Canyon Stagecoach Line Ultra is a challenging endurance event hosted by the Arizona Trail Association, featuring a 100-mile run, a 55K run, a 100-mile mountain bike race, and relay options. The race takes place in northern Arizona, starting in Flagstaff and finishing at the Gr..

Red River Ultrafest, Fargo/Moorhead's first ultramarathon, takes place in Moorhead, Minnesota, on Saturday, September 20, 2025. The event offers multiple time-domain distances: 3-, 6-, and 12-hour options, with both Run/Walk and Ruck categories (ruck packs weigh 45 lbs for men, 35 lbs for women; rac..

The In Yan Teopa 5 & 10 Miler is a trail running event held at Frontenac State Park in Frontenac, Minnesota. Participants can choose between a 5-mile or 10-mile course that traverses diverse terrain including rolling prairies, single-track trails, and challenging climbs. The race offers a scenic and..

Peace Ranch Wilderness 5K/10K Run, held near Traverse City, Michigan (2570 Hoosier Valley Rd, 49685), offers two trail-style courses. The 5K winds through hard-packed sand roads in the Pere Marquette Forest, while the 10K challenges runners with varied topography and peaceful surroundings. The event..

The Cancer Warriors 5k is held in Belair, Maryland, on the Ma & Pa Trail. The in-person event features a simple out-and-back 5k course starting at the Ma & Pa Trail Head near Independent Brewery, with a second stream crossing, a fork near Route 24, and a turnaround near Tollgate Road before returnin..

Climb Cleveland for Kidney Cancer is a stair-climb fundraiser held at the Wolstein Center in Cleveland, Ohio. The event creates a celebratory atmosphere to honor individuals affected by kidney cancer, featuring a communal ascent of the arena stairs and a post-climb celebration. Attendees can learn f..

The Tahquamenon Falls to Falls Trail Run is a 9-mile trail race held in Paradise, Michigan, starting near the Upper Tahquamenon Falls and looping to the Lower Falls before returning. Scheduled for September 20, 2025, the course features a scenic and technical trail with significant elevation changes..