Trail Running calendar near Wilmington 2025-2026

We have found 63 Trailruns within 80 miles of Wilmington. See below where and when you can find the races.

Trails 4 Tails is an exciting running event taking place at Codorus State Park in Hanover, PA, featuring a 40 Mile Ultra, a 40 Mile Relay, and a 25K+ race. The course consists of a scenic 5.72-mile loop that includes single track trails and beautiful shoreline views around Lake Marburg. Participants..

The Blood, Sweat & Tears Run - Mount Gretna, PA will take place in Mount Gretna on Saturday 13 September 2025. You can run between 5 and 10 miles.

The Mountain Lakes Trail Run & Walk is an annual event held at the Billy Johnson Mountain Lakes Nature Preserve in Princeton, NJ, benefiting the Friends of Princeton Open Space. Participants can choose between a 5K+ trail run and a 3K walk, featuring a mix of paved trails and natural terrain. The ev..

The Run the Vineyards - White Horse 10K/5K is an annual running event taking place at White Horse Winery in Hammonton, NJ. Scheduled for September 14, 2025, the event features a scenic 10K and 5K race, along with a 1-mile walk. Participants can enjoy a flat course through vineyards and country roads..

Ultra Trail DE is an exciting 10-hour trail running event set in Wilmington, Delaware, featuring a challenging ~6-mile loop with approximately 700 feet of elevation gain per lap. Participants can aim for specific ultra distance milestones or run for the entire duration. The course, located on privat..

The Conestoga Trail Run - 10 Tough Miles is a challenging trail race held in Holtwood, Pennsylvania, known for its rugged terrain and scenic views. Celebrating over 30 years, this event features a hilly course with rocky paths and stream crossings, making it suitable for experienced trail runners ag..

October 2025

Run-a-Muck is an engaging 5K running and walking event set in the scenic Willistown countryside, designed to promote outdoor activity and support local conservation efforts. Participants can choose to run the 5K or take a leisurely walk along a cross-country trail featuring diverse terrain. The even..

Blackout is an exciting nighttime 10K trail running event taking place in Emmaus, PA, organized by The Running Kind. Set against the rugged backdrop of South Mountain, participants will navigate a challenging course featuring over 1000 feet of elevation gain. The event encourages runners to embrace..

The Blues Cruise is a 50K Trail Ultramarathon celebrating its 20th anniversary, set to take place around Blue Marsh Lake near Reading, PA. The course features a diverse terrain, including rolling hills and a notable climb, with a strict 9-hour time limit, making it accessible for newer trail runners..

The Lehigh Gap Nature Center 10K is an exciting trail running event taking place in Slatington, Pennsylvania. Celebrating its 14th year, the race features a newly designed loop course that showcases the stunning natural beauty of the Nature Center. Participants will experience a mix of flat and stee..

The Hainesport Endurance Run is a unique running event held at Hainesport Township Municipal Park, featuring multiple endurance challenges including 48-hour, 24-hour, 12-hour, and 100-mile races. Participants can run, walk, or crawl as many loops as possible on a certified flat paved path. The event..

BadgerPalooza is an ultra marathon event hosted by the Williamstown Badger at Autumn Lake Winery in Williamstown, New Jersey. Participants can choose from various race formats, including a 24-hour run, 12-hour run, and 6-hour run, with options for relay teams. The main event consists of running a 5K..

The Delaware Trail Fest is an exciting running event taking place at Lums Pond State Park in Bear, Delaware. This festival celebrates the beauty of Delaware's trails and offers various race options, including a 12 KM trail, a 24 KM trail, a 12-hour Lone Wolf challenge, and a 12-hour 4-person relay...

The Patapsco Valley 50K is an annual trail running event held in Patapsco Valley State Park, Maryland, featuring both a 50K and a 25K race. Participants can choose to run in-person or virtually, with the virtual option allowing runners to complete their distance anytime between October 25 and Novemb..

WXT Ultra is an exciting trail running event taking place in Washington Crossing Park, NJ, featuring two race distances: a 50K and a 25K+. The course includes scenic single-track trails, road sections, and a historic finish on the Continental Trail. The 50K route offers a more technical experience,..

November 2025

The Long Run - Fall Back is a unique running event taking place at Jacobsburg State Park, featuring a 5-mile loop on a mix of single track and gravel trails. Participants can choose to compete in a 5-mile race, a 3-hour, or a 6-hour event, with the course run in reverse for this rendition. The event..

The Tuckahoe 25K is an exciting trail running event scheduled for November 22, 2025, in Queen Anne, MD. This race, organized by the Centreville Crushers and Algonquin Ultras Inc., offers a challenging yet accessible 25K course primarily on single-track and wider horse trails. Participants can expect..

The Hex Hollow Half is a running event taking place in Glen Rock, PA, featuring two race options: a half marathon (13.13 miles) and a shorter 6.66-mile course. The event is set in the scenic Spring Valley Park, where participants will navigate through diverse terrains, including meadows, forests, an..

The South Vineland Thanksgiving Run is a festive running event held at Anthony Campanella Park in Vineland, NJ. This cross-country style race welcomes participants of all ages and paces, making it a perfect way to celebrate the Thanksgiving holiday. The event features a 3-mile course and offers awar..

The 21st Annual Catonsville High School XC Turkey Trot is a cherished community event celebrating health and wellness. Scheduled for November 27, 2025, this event features a 1 Mile Family Fun Run and a 5K race, both of which are chip-timed. Participants can enjoy a family-friendly atmosphere while s..