Morris Plains
Trail Running Calendar near Morris Plains 2026-2027
Explore the top trail runs near Morris Plains for 2026-2027! We've gathered 51 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
Test your limits on a flat one mile loop at the Sussex County Fairgrounds. Choose from 6 to 72 hour timed races or certified marathon and 50K distances with full kitchen and shower access.
Community 5K and related races at Garrett Mountain in Woodland Park, NJ, raising funds for the Fred Torres Memorial Scholarship Fund.
Trail races at Jungle Habitat in West Milford NJ featuring a 13.2 mile half, a 6.6 mile 10K plus loop, and a 3.4 mile 5K plus with cupless aid stations.
A stair race up the Empire State Building's 86 floors and 1,576 stairs in New York with several entry categories and set registration windows and fees.
A community 5K at Duke Island Park on October 10, 2026, run on a flat, paved trail alongside the Raritan River. Proceeds support Family & Community Services of Somerset County, which provides mental health and addiction services.
Looped running at Saddle River County Park on Oct 11 2026 with options from 2 miles to 60K, aid stations, official timing, and awards.
Loop-based races at Livingston Memorial Oval include timed runs, a marathon, a half marathon, and a Last Person Standing event on 0.44-mile laps.
Technical trail races in Harriman State Park featuring a rugged half marathon and a steep 10K with substantial elevation gain and marked singletrack.
Community 5K at Garret Mountain in Woodland Park supporting Autism awareness, with vendors, free gifts, $25 registration, and medals for special needs children.
A hilly 5K trail race on 10/25/2026 at The Barnyard Sanctuary in New Jersey that passes pastures and rescued farm animal enclosures with proceeds to the sanctuary.
USATF New Jersey 8K Cross Country Championship at Natirar Park in Peapack, NJ on October 25, 2026 with open and youth 8K divisions and published entry fees.
November 2026
A community 5K and 1 Mile walk at Central Park of Morris County on November 8, 2026, with in-person and virtual options supporting local housing services.
Trail runs of 10K and 5K at Hillside Park on November 8, 2026 to benefit a free mammography program, with on-site food, water, timing and age-group awards.
An ultra trail event in Staten Island offering 50 Mile, 50K, and Half Marathon loop courses that benefit the Greenbelt Conservancy.
Experience the diverse terrain of South Mountain Reservation with a looped trail race offering 5K, 10K, and half marathon distances. Enjoy a mix of single track and fire roads with support provided at regular aid stations.
A 5K trail run at Sayreville Sports Complex on November 15, 2026 supporting Stars & Stripes Veterans Center with tiered registration, participant dog tags, shirts, and awards.