Trail Running calendar near Bronx County 2026-2027

We have found 156 Trailruns within 80 miles of Bronx County. See below where and when you can find the races.

A January trail party using a 5K loop with three hour and six hour options plus a 3H ruck. Mixed carriage roads and technical singletrack, limited field size, and proceeds benefit the South Mountain Conservancy.

February 2027

A winter trail event at Ramapo Valley County Reservation on February 14, 2027 featuring a flat, scenic lollipop loop around Scarlet Oak Pond. Participants are encouraged to wear onesies; the event includes an aid station, finishers medal, a..

Trail races on a 10 mile loop at South Mountain Reservation offering 50M, 50K, 20M and 10M with marked trails, three aid stations per loop, timing, SWAG, and awards for top three male and female finishers.

March 2027

A lap based time race on a USATF certified flat course in Livingston, NJ offering 12 hour, 6 hour, 3 hour and 1 hour races. Awards and participant hats are provided and aid stations are available on course.

A looped trail event on March 6, 2027 at South Mountain Reservation in West Orange, NJ offering 11 mile, 20 mile, 50K and 50 mile options on three marked loops with mixed carriage roads and technical singletrack.

Chip timed 5k run and walk at Osprey’s Dominion Vineyards in Peconic, NY on March 20, 2027, over a two lap cross country loop with a postrace wine pour for eligible participants. Registration includes a T shirt, collapsible wine glass and f..

A six-hour trail ultra at Roosevelt Forest featuring a 2.3-mile loop with 191 feet of climb per lap, chip-timed laps, on-course aid and food, podium awards, medallions for over four hours, and a limited field supporting local charities.

The Rat Race 50k is a 100% off-road ultramarathon at Wells Mills Park with an 8-mile loop plus three 10k loops, chip timing, finisher medals and age-group awards; the series also includes shorter trail races and themed events.

A 5K trail run and free kiddie fun run at Bethpage State Park featuring soft, scenic trails, on-site refreshments and a virtual option with a one-week window to log results.

April 2027

A community 5K run/walk at Bethpage State Park with a free kiddie run and a virtual option, held on grassy polo fields and winding soft trails. Live results, finish-line photos, and proceeds benefit the Never Stop Running Foundation.

A mountain trail event at Harriman State Park offering a half marathon, a 10K, and a 10K ruck on rugged, technical courses with significant elevation gain and limited crew access at aid stations.

Sleeping Giant Trail Runs at Sleeping Giant State Park in Hamden CT features a 25K loop with 3K+ of vertical and a 50K two-loop option. The course mixes technical singletrack and carriage roads, includes aid stations, and follows a cupless..

A community trail event in Cross River, NY featuring a hilly wooded 5K, a 4K walk through the main trail, and a 200 m kids dash on the contest track. Registration opens 8/24/2026 with limited pre-registration t-shirt incentives.

A 5K trail run and walk at Blydenburgh County Park in Smithtown, NY. The route uses sand, dirt roads, hard packed trails and pavement, supports Last Chance Animal Rescue, and is dog friendly with leash rules.

A trail marathon and half marathon in Wissahickon Valley Park on April 10, 2027, featuring technical single track trails and significant climbing. The event includes race day bib pickup, live accordion music and a post race pizza party.

A two-day Spartan obstacle race weekend at Mountain Creek Resort in Vernon, NJ featuring Sprint, Super, Beast, Ultra and kids races, plus team options, volunteer roles, spectators, and a service member discount.

A women-centered trail event at Lake Mohegan offering 5K, 10K, and a 4-hour loop on a 3.2 mile trail. The race is open to non-binary runners, follows a cupless aid policy, and includes finisher medals and post-race refreshments.

Two mountain trail races in the Shawangunk Ridge on April 24, 2027. The technical 25K and 10 mile routes feature cliffs, steep climbs, two aid stations, strong course markings, and a 150 participant cap.

A mountain trail festival near Ellenville NY offering a technical 25K (about 17 miles) and a 10 mile course, both limited to 150 entrants with a six hour cutoff. The routes feature steep climbs, rocky singletrack, and two stocked aid statio..

A two-day multisport event at Stokes State Forest featuring trail runs, off road triathlons, mountain bike races, and paddle triathlon formats with World Series qualification opportunities.

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