Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4133 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

GRC Cross Country Daniel Boone 5K is in Winchester, KY on September 5, 2026, with a down and back course from Lincoln and East Hickman to the country club. Entry fee is $30 and shirt registration is available until August 22.

A looped endurance event in Birmingham's Railroad Park where runners repeat an approximately 0.78 mile circuit with progressively shorter cutoffs until they stop or miss a cutoff. Awards go to the last three men and women and a portion of f..

A memorial stair climb at the Hilton San Diego Bayfront on September 5, 2026, honoring first responders who died on 9/11/01. Funds raised support FirefighterAid, which assists firefighters and their families.

The Loess Dirt Adventure Run in Glenwood Lake Park, Iowa on September 5, 2026 is an untimed trail event through Loess Hills terrain. The course features switchbacks, creek crossings and wooded sections, and finishers receive a Conqueror of..

An ultramarathon on Sep 5, 2026 along the Pinellas Trail in Florida, covering just over 46 miles between St. Petersburg, Tarpon Springs, and Dunedin; a Facebook group is listed for event updates.

A women's backyard ultra near Phoenix, NY, run as repeated 4.167 mile laps at regular hourly intervals. Support tents and start/finish aid are available; runners must carry their own supplies and follow equipment rules.

Community-focused trail event at Boling Park featuring a roughly 5K trail run, a kids one mile fun run, live music and food trucks.

A four-part community trail series with three morning gatherings and a final sunset event in Marietta and Lancaster County. Participants choose their own distance, share food and hydration, and may register per event or buy a multi event pa..

A time based ultrarunning event on the paved Thermal Belt Rail Trail in Forest City with 3, 6, and 12 hour options, aid stations, paced runner rules, and a 50 mile buckle for those who reach 50 miles within 12 hours.

Trail races at Mammoth Bar OHV Area in Auburn State Recreation Area on September 6, 2026. Options include a 13.1 mile half marathon and a 6.2 mile 10K, each with notable elevation gain and staffed aid stations.

Experience the natural scenery of Mount Diablo State Park through a variety of trail races. Runners can select distances ranging from 4 miles to a 50K with spectacular views of the San Francisco Bay Area.

A 50K trail ultramarathon through the Wilcox Lake Wild Forest near Stony Creek, NY, following a lollipop route from Harrisburg Lake. It features two stocked aid stations, 3028 feet of elevation change, and requires experience verification v..

Experience a high altitude trail run starting at 10,000 feet on Rabbit Ears Pass. Runners navigate a mix of forest roads and single track trails with 1,200 feet of elevation change through scenic Colorado terrain.

Trail races in Chattanooga including a half marathon and a 4.5 mile race on dirt with substantial climbing and set cutoff and pace requirements.

A 5K terrain run with road and trail sections in Leavenworth, Kansas on September 6, 2026. A virtual 3.1 mile option is available and the registration fee is $35.

Experience a fast downhill race through the scenic Little Belt Mountains to historic Harlowton. This charity event features a smooth gravel course with multiple distances and a finish line celebration at a local brewery.

Celebrate Labor Day at William Heritage Winery with a scenic 5K trail run or a 1 Mile walk. Enjoy live music and vineyard views while participating in chip timed races for all ages in Mullica Hill.

Experience a scenic run through the woods and around the Howard Eaton Reservoir on a mix of gravel roads and single track trails. Choose between 5k, 10k, and half marathon distances to support local youth programs.

A community race at Thousand Hills Ranch on 09/06/2026 featuring a Kids Mile, 5K and 10K across mixed trail and paved ranchland. The event supports Central Coast Athletics Foundation and 17 Strong and includes a post-race festival.

A 10 mile trail race in Fredericksburg, VA that follows the Rappahannock River, moves through rolling hills, and finishes with a sustained climb. Top three men and top three women receive gift certificates.

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