Trail Running Calendar United States 2026-2027

Run the Cancer Active Trail Race in Black Mountain, choose in person or virtual 5K, and enjoy scenic trails. Aid stations, shirts for early registrants, and friendly volunteers make this a welcoming community event.

Run the Free Spirit 50K in Leyden, Massachusetts and enjoy a scenic New England ultramarathon. The course follows dirt roads past historic farms, leafy woods and an 1870s covered bridge for a rewarding, challenging day.

Run rugged Brown County trails at Dances with Dirt Gnaw Bone on May 16, 2026, featuring steep ridges, technical singletrack and big elevation changes. Distances 5K to 50M plus relay, finisher medal, awards and post race barbecue.

Run a scenic 50k on packed sand along the Alabama Gulf coast from Fort Morgan to the Florida state line, finishing near Flora Bama. Tide aware course with aid stations and shuttle service for a memorable beach adventure.

The Canterbury Shaker Village XC 5k will take place in Canterbury on Saturday 16 May 2026. You can run 5 kilometers.

Run the Hometown Half Marathon & 5k/10k in Indianapolis on May 16, 2026. With options from a Kid's Dash and 1 Mile to 5k, 10k and a half marathon plus a virtual run, enjoy a designer shirt, medal, chip timing and finish line snacks.

Conestoga Crusher is a rugged trail run through Kelly's Run Preserve with steep climbs, creek crossings and a scenic Pinnacle Overlook. Distances include 10K, 5K and a kids trail race, with proceeds benefiting Lancaster Conservancy.

Run the Wiener Run 5K and 10K at Oyster Creek Park in Sugar Land and support a local wiener dog rescue. Celebrate with a live DJ, adoptable dogs and a complimentary hot dog at the finish.

Take on the Mad Maple 50K at Hueston Woods for a scenic, challenging multi loop race through College Corner, Ohio. Ten 5K loops with strict 50 minute lap windows, aid stations, a custom finisher medal and post race pizza.

Join the 5th Annual Peace Officer Memorial Endurance Ruck on May 16, 2026 in Cicero, IN for a timed endurance ruck or a 5k Trail Ruck on a mostly unpaved 1 mile loop. Honor fallen officers while testing strength, stamina, and community spir..

Hit the trails in Casper on May 16 for Trail Mix Run Wyoming at Mike Sedar Park, with creeks, hills and muddy singletrack. Pick a 3 mile accessible route, a tougher 10 mile course, or run virtually from anywhere.

Explore Hueston Woods on May 16 and 17 for a weekend of trail running hosted by the Wolf Pack, with distances from 5K to a challenging half marathon plus 6 hour and relay options. Enjoy scenic single track, medals, timed results, and friend..

Bring 80s martial arts vibes to the LA River Path at the Cobra 5Kai, 10Kai and Half Miyagithon on May 16, 2026 in Canoga Park. Expect retro music, themed signage, costumed fun, a finisher medal and a same day virtual option.

Discover the inaugural Hood Mesa Trail Run in Farmington, NM, where flowy singletrack winds through Lion's Wilderness Park. Choose 5, 9, or 15 miles of scenic desert trails and enjoy a fun, low key day on the mesa.

Take on scenic single track at Sunderbruch Park on May 16 2026 with 5K and 10K options for all levels. Expect dirt trails, technical sections, aid stations, and a relaxed post race potluck with bacon and beer.

May 16, 2026 at Vermejo Park Ranch in Raton New Mexico join gravel rides of 41, 66 and 99 miles and a half marathon starting at the historic charcoal ovens. Enjoy scenic backcountry roads with aid stations and limited cell service.

Rothrock by UTMB is a UTMB World Series multi day trail race in May through Rothrock State Forest, showcasing sandstone ridges, rhododendron tunnels and spring blooms. Expect challenging terrain and warm local hospitality in Happy Valley.

Tackle the Armadillo Trail Run 10K at Reveille Peak Ranch on May 17 as part of the Austin Trail Experience and Spartan Trail weekend. Expect rugged central Texas singletrack, slickrock and cactus for a true off road challenge.

Run the 10K at Big Bear Mountain Resort through high altitude pine forest on technical singletrack with Sierra views, wildflowers and wildlife. The weekend also features Spartan obstacle races and team starts.

Run scenic trails at Muscoot Farm in Katonah on May 17 with a 5 mile race and kids events for ages 2 to 12. Finishers get Farm Bucks for the farmers market and proceeds benefit local charities; order shirts early.