Trail Running Calendar United States 2026-2027

Sparks Backyard Ultra at Sparks Marina is a Backyard Ultra qualifying event where runners complete a 4.167 mile loop each hour until one runner remains. Mini races of 3, 6, 12, and 24 hours are also offered with on-course aid and awards.

A trail race in Inverness FL on May 23, 2027 offering 50K, 25K and 10 mile single-loop courses through the Citrus Tract. Aid stations, drop bag service, and a post-race picnic are provided; runners must carry personal hydration.

A 5 mile trail race at Muscoot Farm on May 23, 2027 with two kids races on farm trails. The event is organized by Run the Farm Races and is sanctioned by USA Track and Field.

A 277.2 mile run and ride from Tybee Island to Columbus, Georgia on May 26, 2027. The event raises funds for MercyMed of Columbus and House of Heroes and includes finisher awards plus prizes for top fundraisers.

A farmstead, chip-timed multi-duration event near Norton, KS offering 6, 12, 24, 48 and 72 hour options on a 3 mile loop with an optional dirt-road extension, continuous aid station service, camping, and live lap tracking.

A Lazarus Lake sanctioned Last Runner Standing backyard ultra on a measured 4.1667 mile out and back loop at Southern West Virginia Community and Technical College in Williamson, WV. Single common aid station, live results and live video fe..

Iron Will Backroads on May 29, 2027 in Enterprise, KS offers 100, 50 and 50K races on gravel roads and a rail trail that passes an active historic train. The event includes aid stations, shirts, awards and finisher buckles.

A 24 hour Backyard-format ultrarun near Lorton, Virginia using hourly 4.167 mile loops with a 100 mile limit. One central aid station beneath a horse pavilion supplies water, Gatorade and snacks while crews are allowed only at that station.

A multi-distance trail event at High Hope Ranch in Glen Rose TX over Memorial Day weekend with options from 5K to 200K, on-site primitive camping, cupless hydration, aid stations with food, and finishers' shirts and medals.

An overnight loop event at Cline Buttes in Redmond, OR offering 5k, timed-duration races and a Last Person Standing format. One aid station serves snacks and meals, youth discounts apply, and part of proceeds support a high school cross cou..

A backyard ultra at Turkey Bend Recreation Area using repeated 4.167 mile loops each hour until one runner remains. Official Bronze Ticket qualifier with mixed trail and paved terrain, stocked aid stations, medals and a 100 mile Gladiator A..

Obstacle course races at Fort Carson include Sprint 5K, Super 10K, Beast 21K and Ultra 50K on steep high elevation trails with many obstacles. Team entries can match start times and eligible service members may receive a discount.

A city-center trail event on May 29, 2027 in Georgetown, TX featuring singletrack along the San Gabriel River, multiple trail run distances from a Youth 1 mile to 50K, and mountain bike laps around the Katy Crossing area.

Obstacle course races at Toro Park near Salinas include a Sprint (5 km), Super (10 km) and kids events across wooded trails and rolling hills, plus spectator options and team registration.

The Spartacus Dash will take place in Belton on Saturday 29 May 2027. You can run 3 miles.

Experience a unique endurance weekend in the Texas Hill Country featuring a last person standing backyard ultra and traditional remembrance runs through scenic wildflower meadows and riverside woodland.

A trail running weekend at the Leavenworth Ski Hill Area with a new 25k loop, a two-lap 50k, a town 5k and a kids race. Races include aid stations, finisher options and festival activities like food, music and a kids event.

A trail event in Belleville, WI on May 29, 2027 offering 50 mile, 50K and half marathon options on flat, soft rail trails with trestles, scenic views and a quarter mile tunnel.

A 12 and 24 hour looped endurance run at Keweenaw Mountain Lodge near Copper Harbor. Runners repeat a 3.68 mile loop that passes Back 9 trails, a golf course, hills, mud and forest with views of Brockway Mountain.

A high country trail event in the Angeles National Forest offering a 50k and a 13.1 mile half marathon, substantial elevation, multiple aid stations, finish festival amenities and a $500 course record bonus for the 50k.