Trail Running Calendar United States 2026-2027

Experience an engaging 8 mile trail race through the winding singletrack of Fredericksburg. Navigate rolling hills and punchy climbs in this focused event supported by the local running community.

On August 23, 2026 Raptor Ridge stages a 6.5 mile trail race at Westmoreland Sanctuary in Mount Kisco, New York. The event starts and finishes at the Fox Lane High School campus, dogs are not allowed and non perishable food donations are co..

The Black Diamond Express Trail Races on August 23, 2026 run on the Lehigh Valley Trail in Mendon, NY, offering a 5K and a USATF certified half marathon. The event is organized by the Mendon Foundation with Monroe County Parks.

A two loop 4.15 mile cross country race on the fire roads of the UC Santa Cruz campus, starting and finishing at the meadow above the fire station and included in the Pacific Association USATF Grand Prix series.

East Lansing event on August 23, 2026 with a timed 5k on mostly grass trails and an untimed 1 mile fun run for kids. Hosted by the East Lansing Educational Foundation; registration fees apply.

OakRunner Trail Run features 5K and 10K mountain trail courses at Oak Mountain in Speculator, NY. The route runs on wooded, uneven trails with climbs and descents and a portion of proceeds benefits the Oak Mountain Race Team.

A 215-mile point-to-point ultramarathon in the Bear River Mountains near Logan, Utah, with about 40,000 feet of climbing and mostly single-track and forest roads. Entry requires a prior 100+ mile mountain finish and a $1,599 fee.

Experience a fast and flat 12k trail race through the scenic Valley Trails of Lory State Park. Enjoy a low key atmosphere followed by pizza, beverages, and a vintage race shirt in Bellvue.

A weekly trail and cross country race at Catamount Outdoor Family Center in Williston, VT on August 25, 2026. Adult and youth categories include 5 km and 2.5 km options with defined registration fees.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

Experience a cross country race through the scenic grounds of Talon Winery in Lexington. Enjoy a finisher award plus a glass of wine and live music at the post race celebration.

A three day mountain running weekend at Skeetawk Ski Area in Hatcher Pass featuring a vertical kilometer, a 12K loop, a youth uphill and a technical 37K skyrunning course. Runners may enter single or multiple events.

A weekend trail event at Camp Mack in Newmanstown PA featuring a night 3.5 mile race, chip timed 12/6/3 hour endurance on a 3.4 mile loop, and free kids courses with on site camping and aid at the start finish.

A team-based overnight trail relay at Soldier Hollow Nordic Center near Midway, Utah on August 28-29, 2026. The event covers 120 miles with substantial elevation gain and includes on-site camping and amenities.

Nighttime 5K and 10K loop races in downtown Fort Worth under the full moon, with a mostly grassy course along the Trinity River, chip timing, water stations, shirts and medals.

Nighttime trail run at a private San Diego ranch on 08/28/26 with marked loops of 5k, 10k, 15k and 30k. Headlamps or flashlights required; reflective aid stations, on-site camping, tech tee and awards are included.

A Spartan obstacle weekend at Mahon Ranch near Elk Grove features a Sprint 5 km with 20 obstacles, a Super 10 km with 25 obstacles and kids races, plus team entries, volunteer options and service member discounts.

A trail-style 5K and 10K at Dirt Farm Brewing in Bluemont on August 29, 2026, with rugged terrain, steep sections, and winding paths; virtual entries available with different medal and shirt options.

Tough Mudder Chicago on August 29, 2026 at Richardson Adventure Farm features 5K and 15K obstacle runs, an 8-hour Infinity lap format, Mudder Village festival amenities, and finisher medals, shirts, headbands and drinks.

A weekend of obstacle races at Summit Bechtel Reserve on Aug 29–30, 2026 featuring Sprint, Super, Beast, a kids race, and a pre-race obstacle workshop across hilly, water‑featured terrain.