Trail Running calendar near Thornton 2026-2027

We have found 119 Trailruns within 80 miles of Thornton. See below where and when you can find the races.

Experience the 15th annual Sasquatch Preservation Trail Run in Seven Valleys. Choose between the 5K or 10K courses and explore the natural landscapes preserved by the Farm and Natural Lands Trust.

Experience a unique 2 mile non competitive walk starting and finishing on an airport tarmac. Enjoy a family friendly atmosphere in Reading followed by post event beer and BBQ.

Experience a night time rucking event at the Gov. Dick Environmental Center with 4 mile and 8 mile options. Carry a weighted pack to compete for prizes or participate without a ruck to support local Lebanon County nonprofits.

Support wildlife rehabilitation during a 5k trail run at the Woodford Cedar Run Wildlife Refuge. Enjoy a beer garden featuring local breweries and explore the nature center after crossing the finish line.

Experience the oldest trail race in the county with 10 miles of rocky terrain, steep hills, and river views. This historic event offers a technical point to point course through the scenic landscapes of Eastern Pennsylvania.

October 2026

Run or walk through the rolling hills above French Creek at Camp Innabah. The five-mile trail race offers a mix of surfaces, while a two-mile fun walk is also available. All proceeds support summer camp programs and scholarships.

Run a 5K or walk the cross country trails at On Point Farm on Saturday, October 3. The event features live music, food, a bonfire and family activities, and proceeds support preservation of the Willistown countryside.

Experience a technical trail race through the historic Glenroy Preserve. Choose between five mile, 25K, and 50K loops featuring creek crossings, rolling hills, and post race celebrations.

A 50K trail ultramarathon around Blue Marsh Lake near Reading PA featuring rolling single track, one major climb, seven themed aid stations, and relay teams splitting the course into four legs.

Experience a USATF sanctioned endurance event on a flat paved loop in New Jersey. Choose from 12 to 48 hour individual or relay options and earn a custom buckle for completing 100 miles.

Experience a scenic race through the vineyards and country roads of Hammonton. Enjoy a flat course followed by a courtyard party featuring live music, wood fired pizza, and award winning wine.

Trail running at Lums Pond State Park with options from a single lap 12K to a 12 hour solo or 4-person relay, chip timing, age-graded results, and on-course aid stations.

Trail ultraruns in Patapsco Valley State Park offering 50k and 25k options plus virtual entries, with five aid stations, event shirt and finishers awards; race headquarters at CCBC Catonsville.

Get ready for an adventure on the trails at Parvin State Park. Choose between a classic half marathon or a choose-your-own-adventure 6-hour ultra on a mostly flat, fast loop. The event features a cupless, carry-in/carry-out format, emphasiz..

A trail ultramarathon at Washington Crossing Park on October 24, 2026, offering 25K+ and 50K courses across historic, technical singletrack with multiple aid stations and finisher swag.

A 25K single-loop trail race in Ridley Creek State Park featuring about 1800 feet of climbing, rocky and root-covered sections, three aid stations and a five hour cutoff on October 25, 2026.

November 2026

Experience an off-road race weekend at Yeager’s Farm & Market featuring 4 and 10 mile trail runs. Enjoy a local atmosphere with post-race beer and bagels and earn a unique long sleeve tech shirt.

Celebrate the tenth anniversary of this event with an 8K or 5K trail run through Unionville Vineyards. Enjoy live music and a glass of wine at the post race reception in Ringoes.

Fall Back is the autumn edition at Jacobsburg State Park on November 8th 2026, run on a roughly 5 mile loop of single track and gravel. Options include a single 5 mile loop or laps within 3 hour and 6 hour timed formats.

Event Overview The Forbidden Run Fest is a trail running event held in autumn in Philadelphia's Wissahickon Valley Park. It is described as a celebration of the park during its peak autumn colors. The event is limited to 750 participants. D..