Trail Running calendar near Holmdel 2025-2026

Squatchy Onesiefest 5K is a Sassquad Trail Running trail party at Ramapo Valley County Reservation in Mahwah, NJ. The 5K is run as a 1.6-mile lollipop loop repeated twice, starting and finishing at the NYNJTC Headquarters; park in the reservation lot. The route is very mellow: a flat gravel/dirt tra..

The Febapple Frozen event is a trail running race held in South Mountain Reservation, Maplewood, New Jersey. Scheduled for February 21, 2026, it offers multiple distance options including a 50-mile, 50-kilometer, 20-mile, and 10-mile race. All distances are based on a roughly 10-mile loop course sta..

Squatchapple is a West Orange, NJ trail race held in the South Mountain Reservation, starting and finishing at the Tulip Springs Trailhead on Cherry Lane. The Sassquad Trail Running event offers 11M, 20M, 50K, and 50M options built from three loops: 4M Turtleback, 5.5M Locust Grove, and 7M Mayapple...

Livingston Oval Ultra takes place in Livingston, New Jersey, at the public Livingston Oval on Robert Harp Drive. On March 7, 2026, the 3rd annual event offers 12-hour, 6-hour, 3-hour and 1-hour options, with runners looping the Oval. The fast, flat course is USATF-certified (as of Aug 1, 2023) and i..

The Mt. Tammany 10 is a challenging ultramarathon held in Delaware Water Gap, NJ, featuring an almost 40-mile course with over 10,000 feet of elevation gain. Runners complete 10 grueling loops, each involving a climb to the summit of Mt.Tammany via the Red-Dot trail, a descent on the Blue-Blaze trai..

The Terror of Tammany is a challenging trail running event held at Worthington State Forest in Columbia, NJ. Featuring two distances, a 30K and a 50K+, the race consists of multiple loops of a 6.7-mile course with approximately 1,750 feet of vertical ascent per loop. The 30K covers three loops, cate..

The Morris County Empanada Trail Run, held in Morris Plains, NJ, offers both 5K and 10K run/walk events on scenic trails within Central Park of Morris County. The course features mixed terrain including dirt, grass, gravel, and some hills, providing a varied and enjoyable trail running experience. P..

Big Bear Squatch North is a challenging trail running event held at Harriman State Park in Bear Mountain, New York. Featuring a half marathon and 10K races, including a new rucking division with lightweight (15 lbs) and heavyweight (30 lbs) pack categories, the event showcases rugged, technical moun..

The Long Run is an ultra-style race organized by The Running Kind at Jacobsburg State Park. The course features a give-or-take five-mile loop that blends scenic single-track with flat, fast gravel sections and about 450 feet of elevation gain per loop. Runners may complete a single loop or accumulat..

The Rockland Rad Run is a trail running event held at Forever Farm in Mertztown, Pennsylvania, featuring a half marathon, 10k, and 5k distances. Set amidst the scenic Pennsylvania woods, the course offers a challenging experience through rolling, rugged terrain, ideal for trail running enthusiasts...

The Spring SOMO Timed Trail Races take place at South Mountain Reservation in South Orange, New Jersey. This event features a looped trail course of 1.88 miles (just over 3K) that includes single track, pavement, and fire road sections. Runners can choose from multiple race options: 1 loop (3K), 2 l..

Philadelphia Trail Marathon, held in Wissahickon Valley Park in Philadelphia, offers a marathon and half-marathon on trail terrain. The 13.1-mile course is largely single-track with rolling hills, rocks, and roots; the 26.2-mile route covers similar terrain with added elevation. The atmosphere refle..

The Matzah Miles 5k Trail Run and 1 Mile Family Walk is a festive event celebrating Passover, set to take place in Medford, NJ. Participants can choose between a competitive 5K trail run, a leisurely 1-mile family walk, or a fun 50-yard Kids Dash. The event features a pre-race warm-up, games for chi..

John Jay Community Trail Race is a community running event in Cross River, New York, on the John Jay Community Cross Country Trail. The event features a 5k Trail Race, a 4k Jay Walk, and a Kids Jay Dash, a 200-meter race. The 5k winds through wooded, rolling terrain starting on the John Jay Campus l..

Wawayanda Trail Fest takes place in Wawayanda State Park, Vernon Township, Hewitt, NJ along the Boat Launch/ Highland Lakes area. The festival offers four race distances: 100K, 50 Mile, 50K, and Half Marathon. The course features a 26+ mile loop with mostly wooded single-track, rhododendron tunnels,..

Leatherman's Loop is a popular 10K trail race held annually in the spring at Ward Pound Ridge Reservation in Cross River, New York. The event attracts runners aged 7 to 107 and features a scenic course through natural trails. Due to high demand, entry is determined by a lottery system.The registrati..

XTERRA New Jersey is an off-road multisport event held at the scenic Wawayanda State Park, featuring over 40 miles of trails and a clear lake. Part of the XTERRA World Tour, it offers a variety of races including trail runs (5K to 42K), gravel and mountain bike races, and triathlons such as full dis..

The VCP50k is an ultramarathon held in Bronx, New York, founded in 2023 and designed to accommodate both novice and experienced runners. The race features a challenging yet accessible course consisting of ten loops on the classic Tortoise and Hare cross country trail, plus an initial lap on flat ter..

The Green Traill 5K is an annual running event held in Easton, Pennsylvania, specifically at the historic Easton Cemetery. Celebrating its 5th anniversary in 2026, the event features a 5K run, a walk, and a kids fun run for children aged 10 and under. This unique race is notable for being the Lehigh..

The Dirty German Endurance Fest is an urban ultramarathon held within Philadelphia's Pennypack Park, a scenic area featuring trails along Pennypack Creek with diverse surfaces including soft dirt, sandy spots, single track, gravel, and some paved bike trail. The event offers 25K, 50K, and 50-mile di..