Trail Running Calendar United States 2025-2026

Bel Monte Endurance Races take place in Lyndhurst, Virginia, amid the George Washington National Forest in the Blue Ridge Mountains. The event offers three distances: 50 miles, 50 kilometers, and 25 kilometers. Runners tackle a predominantly rugged course consisting of 95% single-track trails and mo..

Little Backyard Adventure in L.B.A. Park, Olympia, Washington, offers 3-, 6-, and 12-hour endurance runs on a ~4-mile loop with ~200 feet of gain. The course winds through a largely single-track forest, with fern-covered canopies and technical twists that test footing. Runners complete as many laps..

The 21st Annual Run Through Time Trail Marathon and Half Marathon takes place in Salida, Colorado. It offers a Trail Marathon, a Trail Half Marathon, and a 2 Mile Run, plus a free kids’ 400-meter dash in Riverside Park. Courses run on the Arkansas Hills Trail System—dirt/jeep roads and narrow, hilly..

Set in Lake Toxaway, North Carolina, the Llama Experience Ultra offers three race options — 12-hour, 6-hour, and 3-hour loops on private Earthshine Lodge lands. The atmosphere blends endurance running with llama interaction: runners traverse scenic forest trails while llamas roam and can be petted,..

Muddy Shamrock @ The Forge is a trail running event held at The Forge: Lemont Quarries in Lemont, Illinois. The race offers two distances: Trail Half Marathon (about 13.1 miles, run as two laps) and Trail Quarter Marathon (about 6.6 miles, one lap) on wooded single- and double-track trails around th..

Fire on the Rocks 10K is an intermediate trail race held at Zindel Park in McElhattan, Pennsylvania. The 6.6-mile course uses local trails also featured in the Frozen Snot and Boulder Beast events, delivering about 1,400 feet of ascent. Open to up to 400 runners, hikers, or walkers, the event foster..

The Catalina Island Marathon, along with its 10K and 5K distances, takes place in Avalon, California on Catalina Island. The event features the full marathon (26.2 miles), a 10K (6.2 miles), and a 5K (3.1 miles), plus a Kids Run, drawing runners to the island’s scenic trails. It is the oldest trail..

The Marin Ultra Challenge is Inside Trail Racing’s premier Marin County long-distance trail race, offering 50-mile and 50K options. The route starts at Rodeo Beach and loops through the Marin Headlands, Mt. Tamalpais, and Muir Woods, delivering coastal and inland vistas, varied terrain from exposed..

The Georgia Grit Trail Run will take place in Conyers on Sunday 15 March 2026. You can run 10 kilometers.

The Sand Monster is a 6-hour timed endurance trail race set in Sesquicentennial State Park, Columbia, South Carolina, at 9564 Two Notch Road. Competitors tackle a 3.5-mile loop with about 270 feet of elevation gain per lap on a mix of single and double track, largely shaded by pines with a sandy cli..

Southern States 200, aka the Pinhoti 200, is a 203.14-mile point-to-point mountain ultramarathon from Mill Creek near Dalton, Georgia to Mount Cheaha, Alabama’s highest point, finishing at Cheaha State Park. The route follows the Pinhoti Trail through the Chattahoochee and Talladega National Forests..

Pirate's Cove 6/12/24 Hour Run/Hike is a multi-distance trail event at Lake Cuyamaca, California. The 6-, 12-, and 24-hour options offer a long-duration challenge for runners and hikers. The event is scheduled for Friday, March 20, 2026.Course specifics are posted on the official site (sdpiratescove..

Three Days of Syllamo is a challenging three-day ultrarunning stage race held annually in March at the scenic Blanchard Springs Recreation Area in Fifty-Six, Arkansas. Covering approximately 94 miles over rugged singletrack trails, the event features a 50K on day one, a 50-mile race on day two, and..

The Dogwood Ultra Marathons, held at Twin Lakes State Park in Green Bay, Virginia, is a challenging multi-day event featuring a 3.42-mile rolling loop course with about 400 feet of elevation change and stream crossings. The race offers various distances and formats, including 10-mile runs, 12-hour a..

HAT Run 50k takes place in Havre de Grace, Maryland, offering a challenging 50-kilometer trail race. The course blends mostly single-track trail with open fields, dirt roads, and a stretch of paved road, featuring nearly 4,400 feet of total climbing. Runners start with a 3-mile loop, then complete t..

The Hungryland Trail Races take place in the remote and rugged Hungryland Slough Natural Area near West Palm Beach, Florida. This event features a challenging 14.3-mile loop course through diverse ecosystems including wetlands, prairies, swamps, hammocks, and pine flatwoods. The terrain is flat but..

Trail Trashed Ultra takes place near Henderson, Nevada, using the 601 and McCullough Hills trails to offer a rugged, scenic mix of wide groomed trails and challenging single-track with views of Las Vegas, Henderson hills, and valleys. Distances range from 5k to 50k (including 10k, half marathon, mar..

Camp Croft 50K, 50 Miler, and 100 Miler is a Mountaineer Rumble event held at Croft State Park in Spartanburg, SC. Runners complete a 10.05-mile loop that features the Fainforest Creek Connector and the Southside Trail Loop, with about 700 feet of elevation gain per lap. The format repeats for 3 lap..

Yeti 7-11 Hour Endurance Run is staged at Sweetwater Creek State Park in Lithia Springs, Georgia. The course follows the High Lake Trail and Ruins Trail inside the park, with ribbons marking the route to help runners stay on track. The event is a timed endurance race operated by Yeti Trail Runners a..

The Mt. Tammany 10 is a challenging ultramarathon held in Delaware Water Gap, NJ, featuring an almost 40-mile course with over 10,000 feet of elevation gain. Runners complete 10 grueling loops, each involving a climb to the summit of Mt.Tammany via the Red-Dot trail, a descent on the Blue-Blaze trai..