Trail Running Calendar United States 2026-2027

Experience a fun mud filled course at Bates Nut Farm featuring waist deep mud pits and a dozen unique obstacles. This untimed event is perfect for those looking to run crawl and slide through the mud followed by a post race party.

Run on the smooth, paved Black River Trail overlooking the water in Watertown, NY. Choose from a 5K, 10K, 15K combo, or try the ruck division. The event supports local transportation services and offers a post-race gathering at a nearby bre..

Join this trail event at Potato Creek State Park offering a 10k loop course for multiple distances including a 50k and marathon. Enjoy chip timed races and clearly marked trails in a relaxed park setting.

A trail event on May 2nd 2026 at Flat Creek Crossing Ranch offering 5K, 10K, half marathon and marathon on single track trails, with live bluegrass, food truck, finishing awards, and Friday night tent camping.

A 50K trail ultramarathon in OSU’s McDonald Forest featuring smooth singletrack, scenic May views and a pine-needled downhill finish, limited to 300 runners and including a hoody and socks with entry.

Choose 10 miles (one loop) or 20 miles (two loops) on grass and gravel single track through Willow River State Park. Aid station midloop, cupless event, portable toilets available.

Run or walk a 5K trail event at Midland City Forest, with or without your dog. This chip-timed fundraiser for the Great Lakes Bay Animal Society offers medals, aid stations, and a stroller-friendly course. Kids 6 and under participate free.

A trail event at Goodell Gardens in Edinboro on May 2, 2026 with a roughly 5K run or walk and a kids race of about 0.75 miles across woodland trails, boardwalks, and open fields, plus awards including native trees and wooden finisher tokens..

The A Run to Remember will take place in Red Hook on Saturday 2 May 2026. You can run between 5 and 10 kilometers.

Experience a messy three mile obstacle course at the Jacksonville Equestrian Center. Participants run crawl and slide through mud and water in this functional outdoor event designed for friends and families.

Join this free community trail race at Theodore Wirth Park featuring a scenic one mile loop for all ages. Participants can choose between a four mile course or dedicated kids distances in a beautiful park setting.

Experience an outdoor adventure in Raleigh featuring a two mile obstacle course with mud and a giant slip and slide. This family friendly event is open to all ages and includes a finisher medal for everyone.

Support marine mammal rescue by running through the scenic forests and rocky shores of Odiorne Point State Park. This family friendly event features a chip timed 5K trail race, kids fun runs, and a community beach cleanup.

The first annual Lawrence Hopewell Trail 5K supports a 20-mile community trail. The race course passes by two lakes and the historic Hunt House. A non-competitive one-mile Fun Run is also offered for all paces.

Experience the beauty of the Shawangunk Mountains with a 50 mile ultra, a trail marathon, or a team relay. Enjoy well maintained carriage roads and an 18 hour cutoff in this premier fundraising event for Mohonk Preserve.

Trail races at Bear Mountain State Park on May 2, 2026 include 10K, half marathon and 50K over singletrack with technical sections, rolling climbs, tree cover, rocky and muddy terrain and occasional stream crossings.

Experience a grassroots trail race along the Mogollon Rim at 6,000 feet elevation. Choose between 6K, 10 mile, and 50K distances on trails maintained within the scenic Tonto National Forest.

The Perfect Day 50K takes place on the Massanutten Western Slope in Keezletown, Virginia. Runners can compete individually or as part of a two or three person team on a Saturday in May. The event offers a full day on the trails.

Trail races from Browns Ravine Marina follow out-and-back lakeside trails with 10K, half marathon, 35K and 50K options; aid stations appear every 4 to 6 miles and all finishers receive a custom medal.

Support A Soldiers Child Foundation at Henry Horton State Park with trail races and obstacle courses ranging from 5K to a full marathon. Enjoy a festival atmosphere with games food and music for the whole family.