Trail Running calendar near Ringwood 2025-2026

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.

Take on SRC Presents: A Backyard Ultra on Dec 13 to 14, 2025 at Blydenburgh Park, where runners do 4.167 mile laps each hour until one remains. A 1 Lapper runs alongside and proceeds benefit the Long Island Greenbelt Trail Conference.

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.

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.

Join the 8th Annual Taco Trials in Rocky Hill: eat a taco then run a 1 mile loop, repeating it ten times for a fun, quirky challenge. Medals for finishers and proceeds benefit the Connecticut Forest and Park Association.

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.

Join the West Rock Winter Fat Ass in Hamden CT on Dec 28, 2025 for eight hour loop fun around Lake Wintergreen. Run repeated 1.6 mile laps with aid and snacks in a 50 runner field while supporting Make a Wish and the American Cancer Society..

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.

Dress in your best onesie and tackle scenic trails at Squatchy Onesiefest in Ramapo Valley. Choose a fun 1.6 mile loop or a two lap 5K, enjoy trail support and a handcrafted finisher medal while supporting the NY NJ Trail Conference.

Febapple Frozen invites you to a winter trail challenge at South Mountain Reservation on Feb 21, 2026, with 10 mile loops and distances from 10 miles to 50 miles. Aid stations, official timing, event swag and awards for top finishers add ra..

Enjoy rugged woodland trails at the Mahlon Winter Donut Trail Run & Hike in Lake Hopatcong, NJ on March 1, 2026. Choose a 5 mile or 10 mile route through the Mahlon Dickerson Reservation for a true trail challenge in any weather.

Squatchapple in West Orange, NJ on March 7, 2026 offers 11, 20, 50K and 50 mile trail races over three scenic loops in South Mountain. Expect rugged singletrack, big climbs, handcrafted wood finisher medals and a fun trail festival vibe.

Take on the Livingston Oval Ultra in Livingston NJ on March 7, 2026 with 1, 3, 6 or new 12 hour timed lap options on a fast, flat USATF certified course. Friendly aid stations, custom awards and a loop made for high mileage await.

Tackle Mount Tammany 10, a scenic but rugged nearly 40 mile ultra of ten relentless loops in the Delaware Water Gap on March 21, 2026. Expect steep technical trails, big elevation gain, waterfalls and sweeping summit views.

Run under the pines at the Enchanted Forest Ultra Run in Roosevelt Forest, Stratford CT, offering a 6 hour or 50K timed trail challenge on rugged trails. Only 50 entries, costumes welcome, with pizza, aid stations and medals.

Terror of Tammany! on March 22, 2026 in Columbia, NJ is a rugged looped trail challenge with 30K (three 6.7 mile loops) and 50K+ (five loops). Expect technical climbs, a campground start and finish, strict time limits, and finisher awards.

Run the Morris County Empanada Trail at Central Park in late March, choose a scenic 5K or 10K over mixed terrain and hills. Finishers get a long sleeve shirt, medal and an empanada with vegetarian options.

Take on rugged singletrack, a steep headwall scramble and 3,000 feet of climbing at Sleeping Giant Trail Runs, with 25K and 50K options. At Sleeping Giant State Park in Hamden CT on March 29, proceeds benefit the park and finishers get meda..

Run rugged trails at Big Bear Squatch North in Harriman State Park on April 4, 2026 with half marathon, 10K and ruck divisions. Expect steep climbs, scrambling terrain and sweeping Hudson Valley and NYC skyline views.

The Long Run at Jacobsburg State Park is a scenic 5 mile loop with Spring Forward and Fall Back editions. Choose a 3 hour or 6 hour challenge and rack up laps on mixed single track and fast gravel; this cupless event is self supported.