Trail Running Calendar United States 2026-2027

A mountain trail marathon and half in Orem, Utah, starting and finishing at Timpanogos Park. The marathon gains 5,883 feet over mostly trail with technical sections; the course has no mile markers or volunteers and should be treated like an..

Pound the Mound at Blue Mounds State Park in Luverne, MN on May 16, 2026 offers 30 mile, 20 mile and 10 mile distances. Registration closes May 9 and sign-ups by April 30 are guaranteed a t-shirt; a Stampede er recognition is awarded after..

Hit the trails in Petoskey with the Dandelion Dash, offering a 5K, a 1-mile run, and a short family fun run. The event supports a local preschool and features custom medals for top finishers. A virtual 5K option is also available.

Join this meaningful 5K walk and run at Gilbert Regional Park to support families grieving pregnancy and infant loss. Enjoy a day of community with live music, food trucks, and a touching tribute wall.

Trail races in Pere Marquette State Park near Grafton Illinois offering 12.5K, 25K, and 50K on technical, hilly trails. Solo and buddy divisions, handcrafted awards, no refunds and a medical deferral for half the entry fee.

A low-impact trail event at Lapham Peak Park offering distances from a Kiddos 1K to a half marathon, with ruck and walk options, cupless aid stations, and proceeds benefiting Tall Pines Conservancy.

Annual May races on the Ashuwillticook Rail Trail offering marathon, half and 8K distances starting and finishing at the Adams Visitors Center. Proceeds support the rail trail and a municipal fund for the City of Pittsfield.

Community road event in Bethel, ME with an in-person 5K on May 16 and a virtual 5K option May 1 through May 16. It supports after school and enrichment activities for K-12 students in MSAD 44.

Join the Ed Poling Memorial HARC Hike for Hunger & Hope, now in its 14th year. Choose from scenic C&O Canal Towpath hikes in May or a challenging Appalachian Trail hike. This fundraising event supports local community programs.

The Big 4 Trail High-Five Classic is a trail run on the paved Big 4 Trail in Lebanon, Indiana. Choose from 4, 8, or 12 mile distances on an out-and-back course. The event features a community atmosphere and a post-race celebration.

Experience a technical trail event in the Cleveland National Forest featuring rocky scrambles and OHV trails. Choose from four distances ranging from a 5 miler to a 50 km ultra through diverse California terrain.

Flower Moon is a multi-distance trail event in Bartlesville, Oklahoma on May 16, 2026, offering 50 mile, marathon, half marathon and 5K options, free event photos with registration, and discounts for military and children.

A 5K trail run at Big Sandy Creek Dairy Farm in Madison, GA on May 16, 2026, held on farm trails with awards across overall, masters, and age groups. Half of the proceeds support the Georgia Dairy Youth Foundation.

Trail half marathon and 5.3 mi Fun Run in Little Sioux, Iowa, on Loess Hills trails through prairie, forest, ravines and exposed ridges. Entry fees and registration deadlines apply, with a T shirt for timely registrants.

Experience a rugged trail race at Green Mountain featuring significant elevation and scenic summit views. Choose between 25k and 50k distances or join the official rucking division for a unique weighted pack challenge.

Tails & Trails State Forest Run in Pittsfield State Park on May 16, 2026 features 50K, 25K and a 5 mile loop of single track, pine forests and mountain bike style trails while supporting local animal rescues.

Trail race at Mt. Zion Bike Trail near Brookhaven, MS on May 16, 2026 offering 5K through a 50K ultramarathon on narrow, well marked singletrack with aid stations and wooden bridges.

Cross country 5K at Cole's Family Farm in Dayton on May 16, 2026 supporting the Southern Maine Young Marines. Options include a 1.25K fun run and a 5K ruck march; entry includes a patriotic t-shirt and participation medal.

Experience cross country racing at Bells Mill Park with 5K and 1.5 mile events featuring grass and marshy terrain. Enjoy a post race afterparty with catered lunch boxes and finisher medals for all participants.

Experience an adventurous trail race in the heart of Paris Mountain State Park. Run the 12K course and take on the long climb to the top of the mountain for a unique running experience in Greenville.