Trail Running calendar near Haverford 2025-2026

Naked Nick is a scenic trail race at Blue Marsh Lake near Leesport PA offering 25K and 50K distances on mostly single track with challenging climbs. Expect rustic trail conditions and gourmet post race fare from a chef and pastry chef.

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.

Run or hike the Sierra Club Lancaster Polar Bear 5K on January 10 in Lancaster County Central Park, a chip timed winter trail with hills and possible mud or snow. Dogs on leash are welcome and finishers and top placers earn awards.

Angela Ivory Memorial Trail Races at Killens Pond State Park on Jan 24 and 25 offer ultra distances including 50k, 100 mile and 24 hour events. The 50k is full with no wait list; enter another distance and drop in on race day if spots open.

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.

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.

Take on the Naked Bavarian at Blue Marsh Lake in Leesport PA on March 7, 2026 with 20 mile or 40 mile trail options over scenic single track and gravel. A low cost ultra with aid stations and a chef prepared post race spread.

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.

Tackle the HAT Run 50K in Havre de Grace, Maryland, a scenic trail challenge with rolling single track, open fields and nearly 4,400 feet of climbing. Expect stream crossings and a rewarding day on rugged, looped trails.

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.

Test your endurance on a 2.5 mile loop at the Genesee Valley Outdoor Learning Center in Parkton, MD, with 6, 12 and 24 hour options for solo and team runners. Enjoy farm road and grass field terrain, camping, pacer options and on site suppo..

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.

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.

Join the Spring SOMO Timed Trail Races at South Mountain for looped racing on a scenic 1.88 mile course of single track, pavement and fire road. Run a 3K or 6K or take on the 1 hour, 3 hour or 6 hour timed challenge.

Tackle technical single track and rolling hills in Wissahickon Valley Park with half and full marathon options. Race benefits Houston Playground youth programs and rewards every finisher with a Philly themed medal.

Run rugged technical trails at Rockland Rad Run in Mertztown with marathon, half, 10k and 5k options. Enjoy scenic rolling terrain, Saturday off road mountain bike fun and free campsite options for a full weekend outdoors.

Run or stroll Matzah Miles on a scenic family friendly trail in Medford with a timed 5 km, one mile family walk and Kids 50 Yard Dash. Enjoy music and matzah treats while supporting inclusion through Open Hearts Open Doors.