Trail Running calendar near Billings 2026-2027

We have found 133 Trailruns within 80 miles of Billings. See below where and when you can find the races.

The Frozen Heart 900 will take place in Middlefield on Saturday 7 February 2026. You can run 50 miles.

A themed trail event at Ramapo Valley County Reservation with a flat, scenic 1.6 mile lollipop course. Options include a full 5K or a one-loop Fun Run and finishers receive handcrafted medals and aid station support.

A trail race at South Mountain Reservation on February 21, 2026 offering 50M, 50K, 20M and 10M on an approximately 10 mile loop with aid stations, electronic timing, event SWAG and top-three awards.

A 3 x 2 mile cross country relay at Sunken Meadow State Park in Kings Park, NY, marking the 47th running of the event. The program includes a youth division, a costume contest with prizes, post race refreshments and multiple age categories.

March 2026

Trail event at Mahlon Dickerson Reservation on March 1, 2026 offering 5 mile and 10 mile routes over rugged woodland trails. Participants receive a long sleeved shirt, a medal, and donuts; hikers are welcome.

A trail running event at South Mountain Reservation on March 7, 2026 offering five distances across three repeatable loops. The course features mixed surfaces, substantial elevation gain, handcrafted wood medals, and fundraising options for..

A self supported, roughly 34 mile run along the Lenape Trail from Newark through parks and reservations to South Mountain Reservation. The route passes Branch Brook Park, Verona Park and Eagle Rock with varied trail surfaces.

Looped hill races at Sunken Meadow State Park where the most distance in a three hour loop crowns the King and Queen, and a separate one hour event crowns the Prince and Princess.

Join the Never Stop Running Foundation 4 Leaf Clover 5K at Bethpage State Park, a scenic trail run starting on a grassy polo field. Family friendly with a kiddie fun run, virtual 5K and post race refreshments supporting the foundation.

A roughly 40-mile looped trail event in the Delaware Water Gap featuring 10 climbs and over 10,000 ft of ascent. The route starts and finishes at the Kittatinny Parking Lot Pavilion and repeats a Mt. Tammany ascent and descent ten times.

The Ospreys Dominion Wine Run 5K will take place in Northville on Saturday 21 March 2026. You can run 5 kilometers.

A fully crewed, charity 34 mile run along the Lenape Trail across 18 parks in Essex County. Options include solo or 3 to 6 person relay with regular aid stations, shuttling, first aid and pre event prep resources.

A trail race at Sleeping Giant State Park in Hamden, CT, built on a 25K loop with a 50K two-loop option. The course features technical singletrack, steep scrambles and an ascent to the Observation Tower.

Trail 5K and 10K events in Central Park of Morris County on March 29, 2026, featuring mixed-terrain cross country courses. Entry includes a long-sleeve shirt, finisher medal, and an empanada with a vegetarian option.

The Fool's Adventure is a ten hour foot rogaine on March 29, 2026 in Wayne, New Jersey. Competitors navigate more than 100 checkpoints across eight square miles of rugged wilderness using maps and a compass while recording checkpoint eviden..

A rugged, technical trail event in Van Cortlandt Park featuring a two-loop 10k and a Kids Fun Run, with portions of fees supporting local trail maintenance and youth programs.

April 2026

Mountain trail event at Harriman State Park on April 4, 2026 offering a half marathon, a 10K and a 10K ruck. Rugged technical courses with substantial elevation gain and a capped field size.

Timed loop trail races at South Mountain Reservation in South Orange on April 4, 2026. Options include a 1.88 mile loop, a 6K two loop option, and 1 hour, 3 hour and 6 hour timed events.

A 5K run and walk at Bethpage State Park on April 4, 2026 with a free kiddie run and a virtual 5K window, trail terrain, on-site amenities, and proceeds benefiting the Never Stop Running Foundation.

Run a scenic quarter marathon at West Hartford Reservoir on April 11, 2026, as the Hartford Track Club hosts a small, timed field limited to 150 runners. Enjoy chip timing, post race treats and a friendly, looped trail course.