Trail Running calendar near Williamstown 2025-2026

The Quadzilla 15K Trail Race, held in Schnecksville, Pennsylvania, is known as Lehigh Valley's toughest trail race. The challenging 15-kilometer course features rolling hills, water crossings, open fields, single-track woodland trails, and jeep roads, offering scenic vistas reminiscent of the wester..

The Run the Vineyards Bohemia Manor Farm 5K & 8K is a scenic running event held at Bohemia Manor Farm Winery in Chesapeake City, Maryland. Participants can choose between a 5K run that winds through vineyards, along the Bohemia River, and wooded trails, or a more technical 8K trail run featuring sim..

The Murderkill Ultramarathon, held at Killens Pond State Park in Felton, Delaware, offers 50-mile, 50K, and 12-hour race options on a mostly dirt 3.1-mile loop trail. The course is relatively gentle with about 80 feet of elevation gain per loop, featuring shaded paths, some roots, rocks, and a footb..

The MCW Westfield Ultra is an annual endurance running event held at Tamaques Park in Westfield, New Jersey. Participants can choose from 3, 6, 9, 12, or 24-hour race durations, aiming to complete as many laps as possible on a 0.8-mile loop featuring both pavement and gravel surfaces. The race offer..

Loopy Looper is an ultra running event held at Cooper River Park in Pennsauken, New Jersey, featuring a fast, flat 3.75-mile paved loop with scenic views of the Philadelphia skyline and river. The race offers multiple distances including 12-hour, 24-hour, and a 101.25-mile ultra, as well as a 4-pers..

The RunPA Trail Jamboree is a family-friendly trail running event held at Camp Mack in Newmanstown, Pennsylvania. Scheduled for August 2-3, 2025, it features multiple endurance races including 12-hour, 6-hour, and 3-hour timed runs on a 3.4-mile loop course of single and double track trails with var..

The Run for Thorncroft & 1-Mile All-Ability Move-As-You-Please is a community health and wellness event held at Thorncroft Equestrian Center's 70-acre Farm in Malvern, PA. Featuring a 5K trail run, a 5K walk, and a one-mile move-as-you-please option, the event welcomes participants of all levels, in..

The Barn-B-Q Trail Festival, held in Berkeley Heights, New Jersey, is a unique outdoor event combining trail running or hiking with a lively barn party. Set in the historic Deserted Village of Feltville within Watchung Reservation, participants can enjoy self-guided trail tours ranging from 2 to 6 m..

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 starting from Community Park North Amphitheater. The trail run covers abou..

The Run the Vineyards - White Horse 10K/5K is an annual running event held at White Horse Winery in Hammonton, New Jersey. Featuring flat and scenic courses through vineyards and country roads, the event offers 10K and 5K races along with a 1-mile walk. Participants enjoy chip timing with instant re..

The Cancer Warriors 5k is an annual fundraising event held in Bel Air, Maryland, along the scenic Ma & Pa Trail. The 9th edition, scheduled for September 20, 2025, features a 5-kilometer out-and-back course starting at the trailhead near Independent Brewery, which also hosts the post-race afterparty..

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

The Conestoga Trail Run - 10 Tough Miles is a challenging and scenic trail race held annually in Holtwood, Pennsylvania. Known as the oldest trail run on the Conestoga and in the county for over 30 years, this 10-mile course features rugged, rocky terrain with steep hills, multiple small stream cros..

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..

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

Run-a-Muck is an annual 5K running and walking event held in the scenic Willistown countryside, supporting local land preservation efforts. Participants can choose to run the 5K or "muck" the cross-country trail, which features diverse terrain, encouraging appropriate attire. The event offers a fest..

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

The Hainesport Endurance Run is a multi-day ultramarathon event held at Hainesport Township Municipal Park in New Jersey. The race features a flat, paved loop course of just under one mile, certified by USA Track & Field, with an alternate 1.2-mile loop available if needed. Participants can compete..

BadgerPalooza is an ultramarathon event held at Autumn Lake Winery in Williamstown, New Jersey. The main feature is a 24-hour race consisting of 24 consecutive 5K runs, starting at the top of each hour, totaling 74.4 miles. Participants can also choose 12-hour or 6-hour races, with individual or rel..

The Delaware Trail Fest, held at Lums Pond State Park in Bear, Delaware, offers trail running events for all abilities, celebrating the area's scenic outdoor trails. The race features distances of 12 km and 24 km, as well as a 12-hour Lone Wolf solo challenge and a 12-hour 4-person relay. The course..