Trail Running Calendar United States 2025-2026

Diablito Ultra, held at Tickfaw State Park in Springfield, Louisiana, offers challenging 50K and 50-mile trail races. Participants run on a 5-mile loop along the river through diverse ecosystems including cypress swamps and hardwood forests. The course features natural wildlife such as snakes and al..

The Cougar Mountain Trail Run Series #3 is a trail running event held at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. Scheduled for July 12, 2025, the race offers three distance options: 5k, 10.8 miles, and 19.5 miles. The course featur..

The Dino Trail Run at Muscatatuck County Park in North Vernon, Indiana, is a scenic and challenging event featuring 5K and 15K trail runs. Known as a hidden gem for outdoor enthusiasts, the park offers trails with beautiful views and a river valley ideal for kayaking and fishing. The race course inc..

The Honey Badger 100 is a challenging 100-mile ultramarathon held in Wichita, Kansas, with the start and finish located at Cheney State Park's West Shore area. The course features over 7 miles within the park and approximately 93 miles on roads through Kingman County. Runners must have a crew with a..

The Dirty Dozen Run is an annual trail running event hosted by Brazen Racing at Point Pinole Regional Shoreline in Richmond, California. Scheduled for July 12, 2025, it features 12-hour, 6-hour, and 3-hour endurance races on a scenic 3.37-mile loop composed mostly of dirt fire trails. The course off..

The Moonlight Bootlegger 5K in Greensboro, NC, is a unique nighttime trail race held at Haw River State Park. Scheduled for July 12, 2025, this event combines running with a festive atmosphere featuring bluegrass music and moonshine cocktails or mocktails. Participants run a 5K course illuminated by..

The Dirty Burg is a trail running event held at Cannonsburg Ski Area in Belmont, Michigan. It features a challenging 10K loop with approximately 5.5 miles of scenic rolling single track and a 0.7-mile ascent and descent of the ski hill. Distances offered include 5K, 10K, 25K, and 50K, with longer ra..

The Peak is a challenging trail running event held near Julian, California, featuring 50K, marathon, and half marathon distances. The course primarily follows single-track trails with stunning mountain views, including a climb up Cuyamaca Peak, the second highest point in San Diego County. Runners f..

The Whiteface Mountain Races, held at Whiteface Mountain Ski Resort in Wilmington, NY, are among the most challenging mountain running events in the U.S., featuring extreme vertical gain and loss per mile. The main race, the Marshak Mountain Race, offers a 10K loop with about 3,800 feet of elevation..

Dark and Dirty Miles is a night trail running event held at Twin Mountains Offroad Park in Kinta, Oklahoma. The race offers multiple distances including 50K, 25K, 10K, and 5K, all featuring a mix of runnable jeep roads and technical terrain. Participants are encouraged to bring headlamps for the nig..

The Mt. Baldy 5000 is a challenging 5K mountain race held on the slopes of Mt. Baldy Resort near Los Angeles.The 3.1-mile course features nearly 1,500 feet of elevation gain, primarily uphill on fire roads with good footing, offering spectacular views and a tough climb suitable for runners of all le..

Run the Keweenaw is an exhilarating weekend event held in the scenic trails of Michigan's Upper Peninsula. Participants can choose from various races, including the 6K Mt. Baldy Summit Run, 10K Copper Harbor Trails Challenge, and the 25K Carl Olson Memorial Adventure Run, among others.The event feat..

Stunner Night Runs is a nighttime trail running event held at Usery Mountain Regional Park in Mesa, Arizona. The race features four distances: 50K, 25K, 12K, and 6K, all on a flat and fast course that includes the Chain Fruit, Lost Sheep, Channel, and Blevins Trails. Participants run through scenic..

The McDougal Lake Trail Fest, held in Hodgenville, Kentucky, is a dynamic outdoor event featuring trail runs and mountain bike races suitable for all skill levels. Participants can choose from a 4-mile trail run, various mountain bike races including a 4-mile junior race for ages 8-12, and a free MT..

The Deer Creek Half Marathon, hosted by Happy Trails Racing, takes place in Midway, Utah, starting and finishing at the scenic Soldier Hollow Campground. This 13.1-mile trail run follows well-maintained dirt paths along the beautiful Deer Creek Reservoir, offering stunning lake and mountain views. T..

The San Lorenzo River Trail Run, held in Santa Cruz, California, offers a scenic trail running experience through towering 1500-year-old Coastal Redwoods, stream canyons, meadows, and diverse forest landscapes. The event features multiple race distances including 10K, Half Marathon, 30K, Marathon, 5..

The Spaulding Woods 50K is a challenging trail race held in Northfield, New Hampshire, featuring a technical 5.6-mile loop with rocks, roots, and footbridges. Runners complete six laps totaling approximately 34 miles with 4,400 feet of elevation gain, primarily on singletrack trails. The event suppo..

The Siskiyou Out Back Running Festival, held in Ashland, Oregon, is a two-day trail running event featuring distances of 100K, 50K, 15K, and 8K. Set high above the Rogue Valley, the festival showcases the scenic Siskiyou Mountains, Pacific Crest Trail, and views of Mt. Shasta and the Cascades.The 10..

The XTERRA Magnolia Hill event takes place at Magnolia Hill Ranch in Navasota, Texas, set in scenic piney woods with trails winding through the pines and a sparkling blue lake. This off-road sporting event is part of the XTERRA World Tour and features multiple race formats including full-distance an..

The High Tor Trail Marathon, held in Naples, NY, offers both a half marathon and a full marathon option, with the latter consisting of two loops of the half marathon course. The race begins and ends at Naples Community Park, featuring a scenic route that includes vibrant downtown streets and challen..