Trail Running calendar near Thornton 2026-2027
We have found 114 Trailruns within 80 miles of Thornton. See below where and when you can find the races.
We have found 114 Trailruns within 80 miles of Thornton. See below where and when you can find the races.
A free 5K at Lehigh Parkway on July 1, 2026, part of a summer series held the first Wednesday each month May through September. The measured, mostly flat cinder course has a 60 minute time limit and a minimum age of 10 years.
A themed Forrest Gump fun run at Lakeside Loop in New Town Village, Owings Mills, offering a full 4.4-mile loop or a 1-mile out-and-back option. The event is free and participants are encouraged to wear the red hat, yellow top and red short..
A weekend of obstacle races at Blue Mountain in Palmerton, PA featuring a 5 km sprint with 20 obstacles and a 10 km super with 25 obstacles, plus a kids race, an obstacle workshop, and spectator lift access for course views.
A chip timed 5K trail race at Quiet Valley Living Historical Farm on July 11 2026, touring ponds pastures orchards and a covered bridge. Mixed surfaces and awards for overall masters and age group finishers.
Fair Hill Firecracker XC & Endurance Race is a cross-country and endurance running event on July 11, 2026, held at 2900 Montchanin Rd in Wilmington, Delaware, listed as a MASS XC & Endurance Race.
A 10K trail race at Blue Mountain Ski Area on July 12, 2026, run on wooded singletrack with steep climbs. Part of a Spartan OCR festival weekend, the event uses gun timing, has a 3 hour finish cutoff, and registrations are open.
A running event at Charlestown Park offering a five person relay and a solo ultra challenge on a roughly 2.2 mile loop. Teams and solo runners compete to cover the greatest distance with cash awards for top finishers.
A 15K trail race at 5150 Game Preserve Road in Schnecksville, PA featuring rolling hills, water crossings, single track and open fields. Proceeds benefit the HCM Foundation to assist cancer patients in Eastern Pennsylvania.
A looped mountain event on July 25, 2026 at Mount Tammany, New Jersey, featuring 3.5 mile loops with 1,220 ft gain per loop and two X Series divisions, including a Heavy division with escalating weight across loops.
Test your endurance at Cooper River Park on a fast and flat 3.75 mile paved loop. Choose from 12 hour, 24 hour, or 100 mile challenges with great views of Philly and full aid station support.
An evening trail event on a roughly 1.6 mile loop where runners repeat laps until they miss a shrinking cutoff. Distances can range from a single lap to 35 plus miles as the field naturally thins.
Timed loop ultramarathon at Tamaques Park with 3, 6, 9, 12 and 24 hour options on 0.8-mile loops, pavement or gravel. Aid station, crew access, and a fundraising option that can earn a full refund while supporting MissionCleanWater.
Honoring September 11 heroes, this arena climb at TD Bank Ballpark features a 2,200 foot track through stadium aisles. Join a timed stair challenge or a flat concourse walk to support the Tunnel to Towers Foundation.
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.