Trail Running calendar near Mertztown 2025-2026

We have found 67 Trailruns within 80 miles of Mertztown. See below where and when you can find the races.

The FallApple event in South Orange, NJ, is a diverse running competition scheduled for September 6, 2025. Participants can choose from various distances, including a 5K, 10K, half marathon (13.1 miles), marathon, 50K, and 50 miles. The course features a mix of fire roads, single-track trails, hills..

The Smallfoot Trail Fest will take place in Mifflinburg on Saturday 6 September 2025. You can run 3 miles.

The Sasquatch Preservation Trail Run is a trail running event held in Seven Valleys, Pennsylvania, featuring 5K and 10K race distances. Scheduled for September 6, 2025, the event offers participants a chance to run through scenic trails in a natural setting. While specific course details and atmosph..

The 13th annual Blood, Sweat & Tears Run in Mount Gretna, PA, promises to be an exciting event featuring three scenic courses along the Lebanon Valley Rails to Trails. This timed event ensures safety with police support and volunteers. Participants can look forward to post-run festivities, including..

The Boulder Field 100 is a challenging trail running event held at Hickory Run State Park in Jim Thorpe, Pennsylvania. It offers three distances: 100K, 50K, and an 18-mile run/hike. The course features a figure-8 shaped 50K loop, with 100K runners completing two loops.Runners encounter about 4,000 f..

The Mountain Lakes Trail Run & Walk in Princeton, NJ, is a scenic event held at the Billy Johnson Mountain Lakes Nature Preserve, benefiting the Friends of Princeton Open Space. It features a 5K+ trail run and a 3K walk, both traversing a mix of paved park trails, unimproved service paths, and singl..

The Dam Half is a challenging half marathon trail race held in the scenic forests of central Pennsylvania. Designed for both experienced runners and adventurous hikers, the course spans 13 miles and features a mix of single and double track trails, fire roads, and various natural obstacles such as r..

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..

The Cancer Warriors 5k is an annual running event held in Belair, Baltimore, MD, along the scenic Ma & Pa Trail. The course is a straightforward out-and-back route starting at the trailhead near Independent Brewery, featuring a path that crosses streams and passes under Route 24 before reaching a tu..

The Tröegs Rugged Trail 5k Run for Conservation will take place in Millersburg on Saturday 20 September 2025.

Ultra Trail DE is a trail running event held at 2900 Montchanin Road, Wilmington, Delaware, on private property owned by Longwood Gardens. The race features a challenging 6-hour format on a roughly 5-mile loop with about 700 feet of elevation gain per lap. The course offers a mix of scenic singletra..

The Water Gap 50k and 25k is a scenic trail running event held in Milford, Pennsylvania, along the Delaware Water Gap. The race courses follow the McDade Trail, a 32-mile route featuring a mix of rail-trail style cinder paths and singletrack terrain. The trail is non-technical and rolling, making it..

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..

The Bear Trail Half Marathon & 10K is a trail running event held at Lums Pond State Park in Bear, Delaware. The race features two distances: a half marathon (13.1 miles) and a 10K (6.55 miles), both utilizing portions of the Little Jersey and Swamp Forest trails. The course offers a mix of single-tr..

October 2025

The NJ Trail Series One Day is a multi-day running event taking place at the Sussex County Fairgrounds in Augusta, NJ, from October 2 to October 5, 2025. Participants can choose from various race formats, including 72-hour, 48-hour, 24-hour, 12-hour, and 6-hour races, as well as marathons and 50K ev..

The Red Barn Challenge is an annual ultrarunning event held at Marzella Farm in Lykens, Pennsylvania. The 2025 edition marks its 6th year, featuring 24-hour, 12-hour, and 6-hour race options on a one-mile loop course composed mostly of grass and mulch, with about 70 feet of elevation gain per mile...

Run-a-Muck is an annual 5K running and cross-country walking event held in the scenic Willistown countryside, supporting local land preservation. Participants can choose to run or "muck" through diverse terrain, making it a fun and challenging outdoor experience. The event features a lively atmosphe..

Blackout in Emmaus, PA, is a rugged nighttime trail running event hosted by The Running Kind. The 10K course features challenging, technical mountainous terrain with over 1,000 feet of elevation gain on South Mountain. Participants can choose the "Lights On" option, starting at dusk before darkness..

The Blues Cruise is a 50K trail ultramarathon held near Reading, Pennsylvania, celebrating its 20th anniversary in 2025. The 31-mile loop circles Blue Marsh Lake, featuring varied terrain including fields, rolling hills, single track, and less than half a mile of public road. The course includes a n..

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