Trail Running calendar near Billings 2025-2026

The Tough Cookie Trail Run 5K is a trail-running event held at Prospect Point Park in Lake Hopatcong, New Jersey. The course is a 5K on local trails, inviting runners, walkers, and hikers to join a morning of strength, spirit, and community. The event emphasizes resilience, nature, and giving back,..

Cheshire Community YMCA 5K Harvest Trail Run in Cheshire, CT, is a race around Ives Farm. The all-ages event winds through fields and trails on the farm, starting and finishing at the remodeled barn. Proceeds support the YMCA’s Cheshire community programs and the Cheshire Land Trust’s revitalization..

Book It for Books 5k & 10k is a charity running event at Lake Accotink Park in Springfield, VA, benefiting Reading is Fundamental of Northern Virginia (RIF NOVA). The weekend features a 1-mile fun run, a 5k trail out-and-back on the lake’s south side, and a 10k course that runs out-and-back on the n..

RACE FOR THE GREENWAY 5K RUN / WALK takes place at Hallock State Park in Riverhead, NY. The mostly flat off-road 5K course weaves through parkland with views of beaches, vineyards, ponds, and forests, featuring loose gravel and grass underfoot. Runners and walkers of all abilities are welcome.After..

Fall Back Into The Trails Series returns to Red Wing Recreation Area in Lagrangeville, NY for its 9th annual edition on November 1-2, 2025. The event offers three races: 100k (10x10k loops with about 1,000 ft of gain per lap), 50k (5x10k loops with about 5,000 ft total gain), and 10k (about 1,000 ft..

8 Hours at the Farm is a trail running event by Steep Endurance in Brookfield, Connecticut, on the rolling grounds of Gurski Farm/Williams Park. The race features approximately a 4-mile loop weaving single-track and farm trails, delivering a rolling, not-too-technical course and a supportive trail-r..

Set in Sleepy Hollow, New York, the Pocantico Hills Marathon offers two distances: a full marathon and a half marathon run through Rockefeller State Park Preserve. The courses are single loop, rolling and hilly, with scenic views of the Hudson River and the Palisades. Runners pass past fields, stone..

The Veterans Day Cross Country 4K Run, hosted by the Northport Running Club, is held at the Veterans Administration Medical Center Golf Course in Northport, NY. The English-style 4K course runs entirely on grass (about 2.48 miles) with no pets or baby joggers allowed. In its 45th year, the event ben..

Raven Rocks Run is a challenging 10k trail race held at Ward Pound Ridge Reservation in Cross River, New York. The route climbs to the park’s highest points, including Raven Rocks Overlook and the Fire Tower Summit, before a mostly downhill finish along rugged ridgelines, rocky climbs, meadows, and..

Taconic Road Runners FDR Park Cross Country Run is a cross-country race held in Yorktown Heights, New York, at FDR Park. The event features a 6K course that includes almost two miles of the park’s trail system, with most of the route on soft surfaces across flat fields and picnic areas near the Taco..

Red, White and Run 5K is a 5K trail run and walk held in Lackawaxen, Pennsylvania, at Veteran's Memorial Park (109 Scenic Drive, Lackawaxen, PA 18435). The course is a trail route designed for both runners and walkers. Special features include awards for the top three male and female finishers, plus..

NSRF Long Island Turkey Trail Trot 5K is a family-friendly trail run/walk held at Bethpage State Park, Polo Field in Bethpage, NY. The 5K course takes participants through scenic, grassy polo-field starts into winding soft trails with mostly flat terrain and a few small hills, offering a beginner-fr..

NJ Trail Series SOMO Winter 1 is a trail running event held in South Orange, New Jersey, at South Mountain Reservation, with distances of 5K, 10K, and 13.1 miles on a looped course. The route blends fire roads, single-track, hills, and some pavement, offering a mix of terrain. Runners complete 1 loo..

NYC Trail Mix is an annual ultra trail running event held in Staten Island, New York, featuring distances of 50 miles, 50K, and a half marathon. The course showcases over 35 miles of trails through the greenest parts of New York City, including Blood Root Valley, High Rock Park, La Tourette Park, an..

Last Chance XC Championships is held at Oak Ridge Park, 136 Oak Ridge Road, Clark, New Jersey. The event includes a USATF-NJ 8k Championships, HS 5k (NJSIAA/NFHS sanctioned), Open 400m, Youth 3k, and Open 5k, plus a Boys/Girls/Coed 5k team competition. Oak Ridge Park's double-loop, pancake-flat cour..

Set in Tarrywile Park, Danbury, Connecticut, the Tarrywile Half Marathon offers Marathon, Half Marathon, and 10K trail distances. The course is renowned for its toughness, with close to 3,000 feet of elevation and substantial Northeast single-track, featuring rocky, rooty, and hilly terrain. The rou..

Located in Brookhaven State Park, Wading River, NY, the Brookhaven Trail Half Marathon and 5 Mile offer two trail-running distances. The course traverses a mix of Suffolk County woodlands, including single-track, fire roads, sandy sections, and hidden ponds, starting near the park entrance off Willi..

Fall Fling 400, the CT Trailmixers’ ninth annual trail race, takes place at YMCA Camp Sloper in Southington, CT. The event offers two options: Fall Fling 400, where runners complete as many roughly two-mile loops as possible within a 400-minute limit (roughly 28 miles minimum), and the Spring Fling..

FEAR Trail Fest 5 Miler is a trail race held at Lewis Morris Park in Morristown, New Jersey. The event features a 5-mile lollipop loop on the park’s Yellow Trail, with about 600 feet of total elevation gain. The course starts with a wide Patriots Path section, then transitions to single-track for th..

The Roxbury Thanksgiving Day Charity Race is a 5K event held annually in Roxbury, Connecticut. Scheduled for Thanksgiving Day, November 27, 2025, the race takes place at the Everett B. Hurlburt Community Park located at 18 Apple Lane.Participants run a 3.1-mile course, offering a community-focused a..