Trail Running Calendar United States 2025-2026

Knickerbocker Canyon Trail Run, staged by Inside Trail Racing, unfolds in the Auburn/Cool area of California along the historic Western States Trail. Runners choose from four distances: 5K, 10K, Half Marathon, and 35K. The routes go out to No Hands Bridge, tackle the K2 training hill, and return via..

Bootlegger 100 Mile Trail Race, held near Flovilla, Georgia, offers 100‑mile, 50‑mile, and Sunday 12‑mile options on a scenic course built around a 12.5‑mile loop. Runners complete eight loops for the 100‑miler (four for the 50‑miler; one for the 12‑miler) with two well‑stocked aid stations and easy..

Capital Backyard Ultra is a Last Runner Standing race held at Meadowood Special Recreation Management Area, 10702 Harley Rd., Lorton, Virginia, near Washington, DC. The course is a 4.167-mile loop that runners complete in succession, with the field reduced until only one remains, who must finish one..

Located in rural Nevada, Cappy’s Backyard Ultra is hosted at Cathedral Gorge State Park, Panaca, Lincoln County. The race uses the Backyard Ultra format: a 4.1667-mile loop completed each hour until only one runner remains. Two course options exist: Day Loop (about 25% road, 75% MTB singletrack) wit..

3 Chaparrals 3/6 Hour Endurance Trail Run takes place in Palo Duro Canyon State Park, Canyon, Texas. The inaugural fixed-time event offers 3-hour and 6-hour options, including a 6-hour relay. Runners cover a 4-mile Kiowa/Comanche Loop on rugged trail terrain, recording the greatest distance complete..

Located in Union, Connecticut, the Northern Nipmuck Trail Race is a 16-mile ultramarathon staged just outside Bigelow Hollow State Park. The course runs south on the Nipmuck Trail through the Yale-Myers Forest, crosses Barlow Mill Rd at mile 4, then reaches a turnaround at Boston Hollow before retra..

The Genesee Valley Ultra is an endurance running event held at the Genesee Valley Outdoor Learning Center in Parkton, Maryland. It features a 2.5-mile trail loop through farm roads, grass fields, and some double track on private property. Participants can choose from 6, 12, or 24-hour race durations..

The Schon Park 3/6/9 Endurance Runs, hosted by Ultra Bound Coaching, take place in Glen Carbon, Illinois. This timed event offers three durations: 3, 6, and 9 hours, where participants run loops on a 1.5-mile paved course featuring rolling hills. Runners aim to cover the greatest distance within the..

Women's Trail Festival is a trail running and hiking event in Freedom Park, Williamsburg, Virginia, organized by Happy Cat Fitness. The festival features a competitive 10-mile loop on Saturday and a 10-mile hike on Sunday, plus an 8k hike on Saturday that uses the first portion of the course. The lo..

Bad Ass Backyard Ultra (B.A.B.U.) takes place at Dry Creek Parkway in Rio Linda, Sacramento, California. The event uses the traditional backyard ultra format: a 4.16-mile loop with a new loop starting each hour; anyone not in the start corral at the hour is eliminated, and the winner completes the m..

The Big Climb Dallas will take place in Main Street District on Sunday 29 March 2026.

Sleeping Giant Trail Runs, held at Sleeping Giant State Park in Hamden, CT, offers two rugged ultrarunning options: 25K and 50K. The 25K loop packs 3,000+ feet of vertical into a mix of smooth carriage roads, rocky singletrack, and technical climbs, including a 500-foot head-wall scramble in the ope..

The Morris County Empanada Trail Run, held in Morris Plains, NJ, offers both 5K and 10K run/walk events on scenic trails within Central Park of Morris County. The course features mixed terrain including dirt, grass, gravel, and some hills, providing a varied and enjoyable trail running experience. P..

HOOTIE HOO 8K Trail & 5K Paved takes place at River Bends Park in Shelby Township, Michigan, offering two distances on two terrains: an 8K trail run and a 5K paved run/walk. The atmosphere is welcoming and spring-forward, inviting participants of all fitness levels to choose their course. Highlights..

Big Al’s 200 is a private-land ultra held near Franklin, Tennessee, at 9600 Big East Fork Rd. The event offers a 200‑mile and a 100‑mile option run on a 2‑mile loop through scenic woods with ridge lines and black slate springs. Elevation gain reaches about 55,000 feet for the 200‑mile course and 27,..

The Everyone Runs Catalina State Park Half Marathon and 5.3 Mile Trail Races take place in Tucson, Arizona, within the scenic Catalina State Park. This popular event offers two trail race distances: a half marathon (13.1 miles) and a 5.3-mile race, both starting and finishing at the park's trailhead..

Save the Drama for your Llama 6 Hour Trail Run is a six-hour trail running event held at Luhr County Park in La Porte, Indiana. The course is a 1.7-mile loop, and participants aim to rack up as many laps as possible within the 6-hour window (a lap not completed before the 3:00 p.m. cutoff does not c..

The Silver Moon Race at Kings River takes place in Reedley, California, offering 12K, and 6-, 12-, 24-hour, or 100-mile options on a scenic lap course. Runners complete a 2-mile or 2.5-mile loop through farms, vineyards, oak canopies, and along the Kings River in Central California, with an atmosphe..

Incline Vista, held near Redmond, Oregon, offers two mountain trail distances: 20 miles and 15 miles. Billed as an early-season opener and a local favorite, the race climbs Cline Butte for sweeping, 360-degree views of the Cascades to the west and Smith Rock and Ochoco Mountains to the east. The 20-..

The Molon Lave 5k is a scenic cross-country running event held at Molon Lave Winery in Warrenton, Virginia. The course features three loops around the winery property, offering a fairly flat terrain with natural vineyard surroundings. Walkers are welcome, and a virtual race option is available for r..