Trail Running calendar near Killingworth 2026-2027

We have found 144 Trailruns within 80 miles of Killingworth. See below where and when you can find the races.

Experience an authentic off road adventure in Guilford with a 10k trail loop featuring technical single track paths and rock scrambles through Westwoods to support local land conservation.

A weekly Northampton cross country series held April through August on an accurately measured 5 km course through fields and woods. Day of registration is required, with modest fees and a season pass option.

Experience an obstacle course race in Cumberland featuring a 3.2 mile loop with 1000 feet of elevation. Choose from competitive waves, multilap options, or a signature 12 hour ultra endurance challenge.

Run a unique quarter marathon distance on the paved trails of West Hartford Reservoir. This chip timed 6.55 mile race features a two loop course with post race treats and age group awards.

Join this dog friendly 5K trail run at Blydenburgh County Park to support animal rescue. Enjoy a scenic multi surface course with refreshments and professional timing included for all participants.

Experience a community trail event in Cross River featuring a competitive 5k race, a scenic 4k walk, and a 200m kids dash. Explore the wooded hills of the John Jay Community Trail ending at the campus contest field.

Experience a unique all terrain run through Heckscher Farm and wooded trails in Stamford. Runners pass farm animals and historic landmarks on a scenic course while children enjoy a dedicated fun run and educational activities.

Experience a beautiful trail run through the Irvington Woods with 5K and 1K distances. This rain or shine community event features finishers medals for all participants and supports the Irvington Bulldog Booster Club.

The 11th Annual F.O.R 5k Trail Race takes runners through the scenic McDonald Nature Preserve in Wilbraham. This family-friendly trail run supports the local parks' maintenance fund.

A point-to-point trail race on the Long Island Greenbelt Trail with 50K and 25K options, fully stocked aid stations, parking at Heckscher Park, and a two-hour trail-volunteer requirement for entrants.

Trail loop event at Penwood State Park with 17K and 50K options on rocky single track and forest roads. The 50K uses three loops on much of the Metacomet Trail and carries a nine hour cutoff.

The final Conquer the Trail Race is a 7.5 km run on the flat Croton Aqueduct Trail. This special edition supports Mercy University's Mav Market and celebrates the school's 75th anniversary. The event offers awards, raffles, and free parking..

The Brookhaven Trail 15K and 4 Mile runs explore the varied paths of Brookhaven State Park. This cupless event is capped at 250 runners and includes awards, refreshments, and supports veterans and local food banks.

A student run community event on April 25, 2026 at MacDuffie School in Granby, MA featuring a flat cross country 5K and an optional Color Run, with 100% of proceeds going to Dakin Humane Society.

Experience the Leatherman's Loop 10k trail race at Ward Pound Ridge Reservation in New York. Entry is managed via a lottery system for this USATF sanctioned spring event through the local woods.

Try the Trail is a youth trail run for ages 4 to 16 at Katonah Memorial Park. Kids can choose between a half-mile or one-mile course on scenic, easy-to-follow trails. It's a family-friendly event focused on outdoor activity.

Experience a technical 5 mile trail run through 250 acres of scenic green space in Killingworth. Navigate rocky terrain and elevation shifts at the Deer Lake Outdoor Center with awards for multiple age categories.

May 2026

An ultramarathon in Van Cortlandt Park featuring an initial flat lap plus ten cross country loops, stocked aid stations, drop bag access, and finisher awards including a medal, singlet, meal and post race beer.

A 12 mile technical out and back trail race on the Holyoke Range near Amherst, MA, with more than 3,500 ft of elevation gain. Rocky singletrack ridgelines, two manned water stations, and registration currently shows full with a waitlist.

Trail races at Bear Mountain State Park on May 2, 2026 include 10K, half marathon and 50K over singletrack with technical sections, rolling climbs, tree cover, rocky and muddy terrain and occasional stream crossings.