Trail Running Calendar New Jersey 2025-2026

Hit the trails at South Mountain Reservation in South Orange on November 15, 2025 for NJ Trail Series SOMO Winter 1. Choose from 5K, 10K or 13.1M looped routes featuring fire roads, single track and rolling hills.

Join the 8th annual Bill Bruno Alumni Cross Country Run at Holmdel Park on November 15, 2025 for community 5K and 3K races. Expect team and individual competition, chip timing, and a commemorative mug for the first 150 entrants.

Chase a fast PR at the Last Chance XC Championships in Oak Ridge Park, Clark NJ on November 16. The USATF New Jersey 8k championship runs on a double loop pancake flat course, with personalized bibs, oversized medals and free action photos.

Join the Old Bridge Sayreville Rotary Club for a 5K trail run and walk on Sunday, November 16, 2025 at Sayreville Sports Complex to support veterans housing. Rain or shine event with dog tags for all and shirts for preregistered runners.

Join a lively 5K at Clifton City Hall on Sunday, November 16, 2025, featuring a race T shirt and postrace music, raffles and healthy snacks. Age group awards and special recognition for first responders add extra excitement to this 500 poin..

Brave frosty singletrack through scenic Ringwood woods with 5K, 10K and half marathon options for every trail runner. Finish with a warm post race party serving food, drinks and winter views.

Join the Thanks for Giving Turkey Trot in Manchester Township for a scenic 5 km run or 1 mile walk around lakes and Pine Barrens trails. Raise funds for Addiction Recovery Ministries and celebrate community and gratitude.

Tackle scenic single track and rolling climbs in the FEAR Trail Fest 5 mile at Lewis Morris Park on Nov 23, 2025. Open to first timers and seasoned trail runners, with limited spots, prizes and free course previews before race day.

Kick off Thanksgiving in Vineland with the South Vineland Thanksgiving Run, a fun 3 mile cross country style course at Anthony Campanella Park. Family friendly, competitive awards, proceeds support the Friends of Vineland Public Library.

Enjoy the Williamstown Badgers Turkey Trot 5K at Autumn Lake Winery on Thanksgiving morning, a family friendly trail run over dirt, grass and sand. Run for a cause with proceeds to Honor Flight NJ and timed results with awards.

Squatchy Leftovers is a scenic trail festival on November 29, 2025 at South Mountain Reservation in West Orange NJ, with distances from a 50K to a kids mile on a rugged 5K loop. Expect technical singletrack, handcrafted wood medals and a ch..

The Santa's Summit 10k is a scenic and challenging trail run held at Bull Run Marina in Clifton, Virginia. The course follows the Bull Run Occoquan Trail, featuring hilly terrain with a mix of out-and-back and one-way sections. Participants..

Join the Winter Wonder Run 6K through the scenic trails of Institute Woods in Princeton on Saturday December 6, 2025. Enjoy a crisp cross country course with limited field size for a cozy, community race.

Challenge yourself at the Holmdel Classic, a scenic but hilly loop trail race in Holmdel Park with roots, rocks and steep climbs and options from a single 4.65 mile lap to multi loop ultras. Proceeds benefit MissionCleanWater.

Join the NJ Trail Series SOMO Winter 2 on Saturday December 13 in South Orange for scenic looped trail races through South Mountain Reservation. Choose 5K, 10K or 13.1 mile and enjoy hilly single track, a giveaway and day of registration.

Frosty Looper is an 8 hour timed run at Cooper River Park near Philly around a fast 3.75 mile loop with skyline views. Run as many laps as you can, enjoy aid station food and vegan options, bring a reusable cup, and take custom race swag.

Run the Last Supper 100k in Roxbury NJ on Dec 27, starting at Horseshoe Lake. Choose solo or relay teams up to 10 and tackle scenic trails and lakeside roads for a winter ultramarathon adventure.

Hit the trails at NJ Trail Series SOMO Winter 3 in South Orange with 5K, 10K or a half marathon on looped trails through South Mountain Reservation. Enjoy rolling hills, single track and fire roads, friendly aid stations and a giveaway at t..

Join the Frosty Fat Sass on Jan 31 in West Orange for a rugged trail fat ass fundraiser supporting South Mountain Conservancy. Choose a 5K, or timed 3 hour or 6 hour loop challenge with a rucking division and enjoy technical winter trails.

Try snowshoe racing at Mountain Creek on January 31, 2026 with a scenic ridge 5k or a relaxed one mile finish. Ride the lift to the top, bring your own snowshoes, and enjoy a fun winter run for all abilities.