Trail Running calendar near Newtown Square 2026-2027

Late Night With Bear Creek is listed for August 7, 2026 at 101 Doe Mountain Lane in Pennsylvania, United States. The listing provides the event name, date, and location.

A family-friendly 5K mud run on August 8, 2026 at New Jersey MotorSports Park with obstacles, mud pits, festival-style pre- and post-event parties.

A self-supported ultramarathon at Killen's Pond State Park on Aug 8, 2026 offering 50-mile, 50K and 12-hour options on a mostly shaded 3.1-mile dirt loop.

Test your endurance at the Wildwood Navy Seal Challenge with ocean swimming and beach running. Navigate sand and water obstacles in individual or team categories on the New Jersey shore.

Part of the Harford County Running Club Dog Days of Summer Series, Rigbie Farm 5k is a free, self timed grass and trail loop near Darlington, MD. Parking is at Rigbie Farm and non members may take part in three free runs.

Trail race in Gunpowder Falls State Park on August 9 with one or two mostly single-track loops of 4 or 8 miles and race-morning registration only.

Family friendly 5K mud run in Philadelphia with obstacles, mud pits, slides, pre party and after party, plus a Buy One Give One registration donation program.

A nighttime three hour loop race at Roundtop Mountain Resort featuring a 1.5 mile loop with 600 feet of climbing and a separate kids race.

Family festival in Hamburg featuring a scenic 5k trail run or walk, a half mile kids fun run, awards and pre-registration shirts.

An evening 4 mile out and back run on the NCR Trail at Paper Mill in Cockeysville, part of the BRRC Grand Prix Series on August 19, 2026.

A memorial 5K trail run at Genesee Valley Outdoor Learning Center in Parkton, MD, with a 5K, 1-mile walk, kids dash, team entries, and an In Spirit donation option. Proceeds support a scholarship fund and a post-race festival offers food an..

A community trail series meeting one Saturday each month through the summer, with three mornings and a sunset closing. Participants pick their own distance and return to a shared tent for breakfast, drinks, and company.

A self-timed 5 miles on a packed rail trail in Darlington, Maryland, held as part of the Harford County Running Club Dog Days of Summer Series. The course is stroller friendly with parking at Fisherman's Log and free registration.

An untimed vineyard 5k and kids grape juice run at Bishop Estate with finisher medals, post-run music and tastings, supporting the Hilltown volunteer fire company.

A weekend of trail races at Camp Mack in Newmanstown PA featuring a night 3.5 mile race, chip timed 12/6/3 hour endurance on a 3.4 mile loop, and free kids races with two course options.

Spartan Stadion at Citizens Bank Park in Philadelphia features a mud free 5 km with 20 obstacles, a kids race and spectator access on August 29, 2026.

Clothing optional 5.5K and 1 mile fun run at Sunny Rest Resort featuring mixed trail and road courses, resort access, and age group awards.

A self-timed loop-trail event in Havre de Grace on 08/30/2026 with a listed distance of 3 miles. Runners have 90 minutes to complete as many loops as they like; parking is at Steppingstone Farm Museum.

A USATF-NJ Open and Masters cross country championship over a 5K course at Natirar Park in Peapack Gladstone on August 30, 2026. Registration opens July 1, entry is $40 with a $5 USATF-NJ discount and no day of registration.

A community 5K trail run and One Mile Move As You Please at Thorncroft Farm in Malvern on September 3, 2026. Cross-country courses include varied terrain and obstacles, with an after-party featuring live music and food trucks and proceeds s..