Trail Running calendar near Millburn 2025-2026

Take on a crisp late November trail at Stillwell Woods Preserve in Woodbury on November 30, 2025. Rob's Trail Run Edition features a scenic 5K with separate adult and high school youth divisions for runners of all levels.

Run or walk the Never Stop Running Foundation Turkey Trot, a scenic trail 5K at Belmont Lake State Park on November 30, 2025, supporting a great cause. Enjoy post race refreshments and a 50 50 raffle with proceeds benefiting the foundation.

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..

Shake off the winter chill at the Chilly Trail Run 5K in Haverford on December 6. Enjoy scenic trails, a cozy long sleeve race shirt for pre registered runners and light post race refreshments.

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.

Run a timed 50 miles or 50 kilometers in Prospect Park on a scenic looped course near Lincoln Road. Community aid with Skratch Labs hydration and a potluck style aid station keeps you fueled across the day.

Tough Cookie 8K at Sunken Meadow State Park offers scenic cliffside views of the Long Island Sound, festive cookie stops and a post race cookie fest. All paces welcome and proceeds support local charities.

Warm up winter at the Morris Hot Cocoa 5K and 10K in Morris Plains, running grassy multi loop trails and enjoying a festive finish with hot cocoa, bundt cake and a finisher medal. Proceeds support St Jude Children's Research Hospital.

Run the Frosty Forest 5K in Stratford through Roosevelt Forest on an off road trail welcoming runners, joggers and walkers. Holiday costumes encouraged, every finisher gets a commemorative item and proceeds support local charities.

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.

Run until only one remains at SRC Presents: A Backyard Ultra in Blydenburgh County Park on December 13 and 14, 2025, looping a rugged 4.167 mile trail. Day and night loops, limited crew access, and proceeds support the Long Island Greenbelt..

Run a festive 3 mile loop along the Manayunk canal on Dec 13 and bring canned goods to support North Light Community Center. Try Brooks shoes, sip hot chocolate and show up in your most festive holiday gear.

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.

Celebrate the season at the Minty Miler in Jim Thorpe on Saturday December 13, 2025. This family friendly one hour run or walk loops Penn Forest Park with minty treats, mugs while supplies last, and age group awards.

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.

Set sail for Blackbeard's Bounty Endurance Race in Pennsburg PA on December 20, 2025, and tackle timed 4 hour or 8 hour looped runs on scenic gravel trails. Enjoy pirate themed fun, post loop grog, and a race shirt and medal.

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.