Trail Running calendar near Montrose 2025-2026

The Think Big Trail Challenge, held in South Williamsport, PA, offers 5K and 10K trail runs through scenic and historic terrain at the Williamsport Water Authority trails. The courses feature a mix of smooth singletrack, rugged climbs, and flowing descents. The 5K route includes gravel roads, forest..

The Lehigh Gap Nature Center 10k is a trail running event held in Slatington, Pennsylvania, featuring a challenging 10k loop course that starts and finishes at the Nature Center. The race showcases a variety of terrain, including a flat, fast start on the D&L Trail, a steep ascent on the Bobolink tr..

The Costumed Creature Crawl 5K Trail Run/Walk is held at Van Scott Nature Reserve in Beach Lake, Pennsylvania, supporting Pregnancy and Infant Loss Awareness Month. Scheduled for October 11, 2025, participants can run or walk the 5K trail in person or virtually. The event welcomes all ages, with spe..

The Green Monster Trail Challenge is a demanding trail running and hiking event held in Wellsboro, Pennsylvania, within the scenic Tioga State Forest. It offers three distance options: 15K, 25K, and a challenging 50K, featuring total ascents of approximately 1,700, 4,000, and 7,800 feet respectively..

The Camp Lackawanna Trail Challenge is a trail running event held in Tunkhannock, Pennsylvania. Participants can choose between 6-hour and 12-hour race options, testing endurance on scenic trails. The event takes place at 1219 Vosburg-Neck Road and offers a challenging course through natural terrain..

The Mighty Montour 4-Miler will take place in Danville on Saturday 25 October 2025. You can run 4 miles.

The WVS Fall Trail Run will take place in Wyoming on Sunday 26 October 2025. You can run 5 miles.

The Long Run - Fall Back is a trail running event held at Jacobsburg State Park in Wind Gap, Pennsylvania. Participants can choose from a 5-mile loop, a 3-hour, or a 6-hour timed event, running a course featuring approximately 450 feet of elevation change on a mix of single track and gravel trails...

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 Squatchywaska Mountainfest is a challenging trail running event held in Ellenville, New York, featuring two distances: a 25K (approximately 17 miles) and a 10-mile race. Set in the scenic Shawangunk Ridge, runners traverse rugged mountain singletracks, including pitch pines, huckleberry bushes,..

3 Days at the Fair is a multi-day ultrarunning event held at the Sussex County Fairgrounds in Augusta, New Jersey. Scheduled for May 11-17, 2026, it features a certified 1-mile flat loop course composed of pavement and crushed gravel, fully lit for night running. The event offers various race durati..

The Worlds End Ultramarathon is a challenging trail race held in Forksville, Pennsylvania, exploring the rugged Loyalsock Trail, Loyalsock State Forest, and Worlds End State Park in the Endless Mountains. It offers two distances: a 100k (63.8 miles) with 12,395 feet of elevation gain, and a 50k (31...

Cayuga Trails is a scenic ultramarathon held annually at Robert Treman State Park near Ithaca, NY. The event features two challenging distances: a 50-mile race with approximately 10,000 feet of elevation gain and a 50K covering about 7,000 feet. The course is predominantly singletrack trail (95%) wi..

Lucifer’s Crossing is a trail running event held at Old Y Camp in Robert Treman State Park, Ithaca, NY. It offers three distances: a half marathon (13.2 miles), a 10K (~6.66 miles), and a 5K (3.3 miles). The course features scenic and flowing trails, beginning with a rolling ascent on the wooded Rim..

The Plattekill Mountain Race, held in Roxbury, NY, is a challenging trail running event featuring a 6.5-mile course with 3,500 feet of elevation gain. The race traverses the ski slopes and trails of Plattekill Mountain, offering a rigorous mountain challenge suitable for those seeking a tough traini..

The Finger Lakes 50S is an internationally recognized ultramarathon held in Hector, New York, within the scenic Finger Lakes National Forest. This trail running event offers three distance options: 25 kilometers, 50 kilometers, and 50 miles, catering to a range of endurance runners. Known for its ch..

The Blue Mountain Trail Run takes place at Blue Mountain Ski Area in Palmerton, Pennsylvania, offering a scenic 10K trail race. This event features pristine singletrack trails located outside the usual ski boundaries, providing a unique running experience inaccessible to obstacle course racers. Part..