Trail Running calendar near Reading 2026-2027

Trail races at Voorhees State Park include a 50k (five laps) and a 10k, with roughly 4,500 ft and 900 ft of elevation gain. The course is marked, has aid stations, onsite amenities, and race day registration.

Trail races at Kelly's Run Nature Preserve in Holtwood on May 16, 2026 include chip timed 10K and 5K courses plus a free kids trail race of about 1.5 miles. The 10K features 1,256 feet of elevation and an aid station at Pinnacle Overlook.

A morning 5K held during the Fair Hill Scottish Games on May 16, 2026, with a $40 entry that includes game admission; on-site cash entries and ATMs are available, and cash prizes plus a trophy and Scottish claymore are awarded to top finish..

A 5.3 mile trail race at Frances Slocum State Park on primarily grass and earth trails, run as an age-group graded event with staggered starts. Online pre-registration is required with a $10 fee.

Experience the scenic beauty of the Brandywine Valley through forests and farmland. Choose between 10k, 25k, and 50k distances in this part of the USATF Mid Atlantic Off Road Series.

Tough Mudder Philly on May 23, 2026 at Plantation Field offers 5K, 15K and Infinity obstacle runs with named obstacles, finisher items, spectator festival access, and group and volunteer options.

A 12 hour ultramarathon at Spring Meadows Park in Boiling Springs, PA, run on a 1.4192 mile lightly rolling dirt and crushed rock loop. Solo and team entries count toward buckles and hoodies based on cumulative laps.

A trail and road mix half marathon and an all trail 5K centered at Sleepy Hollow Athletic Club. Both races run largely on the Horse Shoe Trail and support Berks County Special Olympics.

Half and full marathons on a shaded paved bike trail along Pennypack Creek in Philadelphia. Aid stations, disposable chip timing, finisher medals and a Bavarian themed post race party with snacks and nonalcoholic beer included.

A non-profit, ninja-warrior style obstacle course run in Mullica Hill, NJ featuring a roughly 4-mile course with 12 tiered obstacles, team scoring by obstacle tiers, and proceeds supporting clean water projects.

A community trail event at Opossum Lake Park offering a 6 mile obstacle course, a 4 mile run, and a 4 mile walk on mixed terrain, with chip timing, age-group awards, and proceeds benefiting the Friends of Opossum Lake Conservancy.

Experience a timed ultra marathon on technical single track trails in the Blue Mountains. Run as many 3.5 mile loops as possible through the shaded landscapes of the Bashore Scout Reservation.

Trail races in Colonel Denning State Park offering 15K and 25K routes with significant elevation gain, multiple aid stations, and a strict 120 runner limit. Spectator access is limited and overall winners receive awards.

A free, timed 5K trail run at Crystal Lake Park on June 6, 2026, with a technical course of about 300 feet of elevation gain and a 40-runner field limit. Awards and a midway water station are provided.

A trail event in Wissahickon Valley Park on June 6, 2026 offering a 10K race and a 1 mile family nature walk. Proceeds support Friends of the Wissahickon for trail and watershed stewardship.

The Run for Woods 5K will take place in Langhorne Manor on Sunday 7 June 2026.

A community trail event at Paradise Farm Camps on June 11, 2026, offering a 5-mile run, a 5K, and a 1.5-mile family walk/run. All proceeds fund East Bradford Township's public trail program and trail development.

A last-person-standing backyard ultra on a 3.4-mile, 350+ ft elevation trail loop at South Mountain Preserve, with a chip-timed nighttime Blackout loop, zero carbon measures, and community donation programs.

Four Tuesday evenings of cross country racing at Grove 4 in Donaldson Park offering 5k, 2.5k and youth distances. Series and single race entries have tiered fees with member and youth discounts plus post race food and awards.

A night trail relay in Paradise, PA where teams pass a baton and collect glow rings to count loops. Runners aim to complete as many 1 mile loops as possible in a 3 hour 24 minute timed period; headlamps recommended.