Trail Running calendar near Leyden 2025-2026

We have found 75 Trailruns within 80 miles of Leyden. See below where and when you can find the races.

The Soapstone Assault is a challenging approximately 5-mile trail race held at Soapstone Mountain, featuring a unique course that requires participants to climb the mountain six times. This event is designed for those seeking a rigorous hill workout, as runners navigate steep, rocky, and potentially..

August 2025

The Ragged 75 Stage Race and 50K is an exciting running event taking place from August 1 to 3, 2025, in Danbury, NH. The stage race covers a challenging 75 miles with approximately 15,500 feet of elevation gain, featuring technical trails, steep climbs, and diverse terrains. Participants can also op..

The People's Forest 7-Mile Trail Run, now in its 26th year, is a prominent event in the USATF/CT Mountain Ultra Trail series. Scheduled for August 2, 2025, in Barkhamsted, CT, this trail run offers participants a scenic and challenging course through the beautiful People's Forest. The event is open..

The Sweltering Summer Ultra is an annual 8-hour running event held at Clapp Park in Pittsfield, Massachusetts. Participants can run or walk as many laps as they choose on a certified dirt and cinder track, with a total of 74 laps required for marathon completion. The event features a unique aid stat..

The Slate Valley Scramble, organized by Slate Valley Trails, is a trail running event taking place on August 9, 2025. Participants can choose between an 8k and a half marathon, both set on scenic singletrack and double-track trails in Vermont's Slate Valley. A Kid's Fun Run is also available for chi..

Lover's Lane is a unique running event taking place in Chester, VT, featuring both 6-hour and 12-hour races on a scenic 1.8-mile loop with moderate elevation. This fun, community-oriented event encourages participants to bring food to share, fostering a collaborative atmosphere. Basic refreshments,..

The Tarc Summer Classic, hosted by the Trail Animals Running Club, takes place at Noon Hill Reservation in Medfield, Massachusetts, offering participants a choice of 10M, 50K, and 40-mile distances. The event features a scenic 10-mile loop course that is primarily forested, winding along the Charles..

The Jug End Loop Ultra is an exciting running event scheduled for August 23, 2025, at Jug End State Reservation in Egremont, MA. Participants can engage in a 6-hour ultra event, completing as many laps as possible on a scenic 4.2-mile course that features a mix of woods, fields, and an apple orchard..

The Thacher Park Trail Running Festival, established in 2014, takes place at Thacher State Park in Voorheesville, NY. This scenic event offers participants a choice of four race distances: 10K, 13.1M, 26.2M, and 50K, allowing runners to experience the park's beautiful trails. The festival promotes a..

September 2025

The TARC Fall Classic, hosted by the Trail Animals Running Club, takes place at Great Brook Farm State Park in Carlisle, Massachusetts. This popular running event features a variety of distances, including 10K, half marathon, 20 miles, 50K, and 50 miles, along with a free youth fun run. The scenic c..

The Wicked Mudder will take place in Southwick on Sunday 7 September 2025. You can run between 5 and 5 kilometers.

The Veterans Count Nashua 5k Fun Run & Walk will take place in Nashua on Sunday 14 September 2025. You can run between 5 and 5 kilometers.

The Pisgah Mountain Trail Races, organized by the Red Clover Rovers, feature a 50K and a 23K trail race in Pisgah State Park, Chesterfield, New Hampshire. Scheduled for September 14, 2025, this event serves as a fundraiser for the New Hampshire Special Olympics, with all profits supporting their mis..

The Hooksett Kiwanis 5K Trail Race is an exciting running event taking place in Hooksett, NH, featuring a 5K race for all runners and walkers, as well as a Kid's Fun Run for children aged 12 and under. The race begins at Heads Pond trail and follows a scenic route through wooded conservation areas,..

The Bear Brook Trail Races, set in the scenic Bear Brook State Park in Allenstown, NH, offers participants a choice of three challenging races: a 10K, Half Marathon, and Marathon. The event showcases beautiful trails, including single tracks and steep hills, with a focus on minimizing litter by requ..

The Angevine Farm Trail Festival, hosted by Steep Endurance, is a family-friendly running event taking place in Warren, CT. Celebrating its 7th year, the festival features a variety of races including a Half Marathon, an 8-hour endurance challenge, and a 5K, with options for participants to run alon..

The Vermont 50 Ultra Run is an annual event held in West Windsor, Vermont, featuring a variety of races including a 50-mile ultra run, a 50K run, and several mountain biking options. Established in 1993, the event supports Vermont Adaptive Ski and Sports, promoting confidence and independence for in..

Run for Nature is a community-focused running event taking place at Shedd Park in Lowell, MA, on September 28, 2025. Participants can choose from a 5K Run/Walk, a 10K Trail Run, or a Kids 1-Mile Fun Run. The event aims to support the Lowell Parks and Conservation Trust's efforts in conservation and..

October 2025

The IronHike Endurance Series is a unique multi-day event taking place at Mohawk Mountain in Cornwall, CT, from October 2 to October 5, 2025. Participants can choose from various challenges, including individual and team formats, with distances ranging from 15 to over 152 miles, featuring significan..

The Flutters and Foliage Endurance Run is an annual fundraising event held in Cohoes, NY, organized by Flutters of Hope Inc., a nonprofit supporting individuals and families affected by eating disorders. This year marks its third edition, featuring various endurance challenges, including a 6-hour ru..