Trail Running calendar near Newtown Square 2025-2026

We have found 63 Trailruns within 80 miles of Newtown Square. See below where and when you can find the races.

The Hex Hollow Half is a trail running event held in Glen Rock, Pennsylvania, starting and finishing at Spring Valley Park. It offers two distances: a challenging half marathon of 13.13 miles consisting of two loops, and a shorter 6.66-mile single loop for those not ready for the full distance. The..

The South Vineland Thanksgiving Run will take place in Vineland on Thursday 27 November 2025. You can run 3 miles.

The Milford Cross Country Booster Reindeer Stampede 5k will take place in Felton on Saturday 29 November 2025. You can run 5 kilometers.

December 2025

The Holmdel Classic is a challenging end-of-year trail race held in Holmdel Park, Monmouth County, New Jersey. Featuring a 4.65-mile loop with 584 feet of elevation gain, the course covers diverse terrain including grass, dirt, rocks, roots, gravel, pavement, and varied inclines. Participants can ch..

The Tame the Tower Trail Challenge is a trail running event held in Mt. Gretna, Lebanon, Pennsylvania, at Clarence Schock Memorial Park. Scheduled for December 13, 2025, it features two distances: a 10-mile "T-Rex" and a 5-mile "Ferocious" run.The courses are marked with colored flags—pink for the 1..

The Frosty Looper 8-Hour is an ultrarunning event held at Cooper River Park in Pennsauken, New Jersey. Participants run as many laps as possible on a fast, flat 3.75-mile paved loop around the river, featuring mostly flat terrain with two hills and scenic views of the Philadelphia skyline and water...

Naked Nick is a trail running event held in Leesport, Pennsylvania, featuring 25K and 50K distances around Blue Marsh Lake. The course is primarily single-track trails (80%) with some gravel roads (20%), forming a lollipop-shaped route with a 5.5-mile out-and-back and a 4.5-mile loop. The terrain is..

January 2026

The Angela Ivory Memorial Runs is an annual trail running event held at Killens Pond State Park in Felton, Delaware. It features challenging distances including a 50K, 100-mile, and 24-hour race. The course consists of a roughly 3.1-mile mostly dirt loop within the park, with gentle terrain, minimal..

February 2026

The Mahlon Winter Donut Trail Run will take place in Lake Hopatcong on Sunday 8 February 2026. You can run between 5 and 13 miles.

March 2026

The Livingston Oval Ultra, held in Livingston, New Jersey, is a timed running event featuring 1-hour, 3-hour, 6-hour, and a new 12-hour race distance for 2026. Participants run laps around a USATF-certified, fast, and flat oval course, aiming to cover as much distance as possible within their chosen..

The Naked Bavarian is an affordable ultra trail running event held at Blue Marsh Lake in Leesport, Pennsylvania. Offering 20- and 40-mile distances, the course features a lollipop loop with mostly runnable single-track trails (80%) and some gravel roads (20%), with elevation gains of approximately 2..

Blazing Saddles is a trail running event hosted by the York Road Runners Club at Codorus State Park in Hanover, Pennsylvania. Scheduled for March 14, 2026, it offers two race distances: a 25K and an 8 Miler. Both courses run along the scenic Ranger Trail, featuring a mix of horse trails, single-trac..

The HAT Run 50K is a trail running event held in Havre de Grace, Maryland. The course primarily consists of single-track trails, open fields, dirt roads, and some paved sections, featuring nearly 4,400 feet of elevation gain. Runners start with a 3-mile loop followed by two 14-mile loops. A notable..

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 Genesee Valley Ultra will take place in Parkton from Saturday 28 March 2026 to Sunday 29 March 2026. You can run between 6 and 24 kilometers.

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..

April 2026

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 Philadelphia Trail Marathon, held in Wissahickon Valley Park, Philadelphia, offers marathon (26.2 miles) and half marathon (13.1 miles) distances. The park, spanning over 2,000 acres with 50+ miles of trails, features natural beauty and historic sites, making it a favorite for local trail runner..

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..