Trail Running Calendar United States 2025-2026

Join the Backside Trail Marathon in Louisville's Cherokee and Seneca Parks on April 26, 2026, with marathon or half on scenic single track. Medals for all finishers and a Double Down award for back to back weekend runners.

Lace up for the Bluemont Station Brewery and Winery 5k on April 26, 2026, a three lap cross country run around scenic winery grounds with some rolling hills. Walkers are welcome and a virtual option lets you join from anywhere.

Run the 52nd Jack Bristol Lake Waramaug Ultra in Kent CT on April 26 2026 for scenic, mostly flat loops around the lake with 100K, 50 Miler and 50K options. Expect stocked aid stations, finisher swag and lakeside views to inspire.

WausaUltra in Wausau, WI from May 1 to 3 features a scenic 4.167 mile loop with rolling climbs, single track and creek crossings. Choose Solo, Double or Limitless last runner standing for a unique challenge and friendly basecamp vibe.

Take on the San Diego 100, a rugged 100 mile loop at Lake Cuyamaca near Julian across mostly single track, technical trails and big climbs. A Western States qualifier that rewards experienced ultrarunners with epic desert and mountain scene..

Run across the surreal Bonneville Salt Flats May 1 to 2, 2026, with distances from 5K to 100 mile and a new 10K. Flat salt, mud flats and island views create a unique and rewarding endurance weekend for all levels.

Join Coyote Two Moon, May 1 to 3, 2026 in Ojai, California, for scenic trail ultras in Los Padres National Forest with distances from 10K to 100 Miler. Expect big climbing, rugged singletrack, and a small field for a true mountain test.

Take on scenic equestrian trails at Lake Rebecca Park Reserve with 6K, 12.5K, 25K and 50K options through rolling hills, prairies and woodlands. Packed dirt and grassy paths, lakeside views and aid stations make for a memorable trail day.

Test your limits on scenic loops through Southern Kettle Moraine at the Prickly Pine Jackpot 24 Hour in Dousman, WI. Choose 3, 6, or 9 mile loops for 6, 12 or 24 hour solo and relay races and chase a cash jackpot for top finishers.

Miwok 100K invites trail runners to tackle scenic single track routes with views of the Golden Gate, redwoods and Point Reyes. Choose the solo 100K, a four person relay, or add a paired training plan for a supported, eco minded experience.

Run the Heartland 50 in the Flint Hills near Cassoday, KS on May 2, 2026. Choose 50 mile, 50K or 25K out and back routes on quiet gravel roads through sweeping tallgrass prairie.

Run Desert Wolf at Flat Creek Crossing Ranch with distances from 5K to 100K, including a ruck option. Rocky singletrack, rolling hills, aid stations, and medals and buckles make for a challenging Texas trail weekend.

The The Ripper - Sunrise to Sunset will take place in Pocomoke City on Saturday 2 May 2026.

XTERRA New Jersey is an off-road multisport event held at the scenic Wawayanda State Park, featuring over 40 miles of trails and a clear lake. Part of the XTERRA World Tour, it offers a variety of races including trail runs (5K to 42K), gra..

Ozark's Mountain Challenge at Sam A Baker State Park invites hikers to climb Mudlick Mountain repeatedly for about 7,980 feet of total ascent across rugged terrain. This non competitive 12 hour event includes aid and a welcoming finish.

Explore rugged lakefront trails at the Lake of the Ozarks Endurance Runs May 2, 2026, with distances from a short bobcat loop to a unique 32 mile run plus 3 miles of paddling. Celebrate with TrailFest, live music, vendors, food and drinks.

Find your distance at the Big Deal at Great Seal State Park on May 2, 2026. Options range from a youth 5k to a 100 mile ultra on a rugged single track 20 mile loop with big climbs and scenic views.

Firelane Trail Trial is a time trial out and back on Firelane 1 in Forest Park featuring a steep climb and technical trail sections. Field capped at 144 with a post race gathering at Great Notion Brewing.

Tackle a scenic 6 mile rim to rim run through New River Gorge with a dramatic 1,300 ft descent and climb, a river crossing, and a short trail finish at Adventures on the Gorge. Closed roads, chip timing and a post race brunch make it a day..

Take on the South Mountain Half Marathon on May 2, 2026 in Lehi, Utah a scenic 13.1 mile out and back from Olympic Park along the Jordan River Parkway. Limited to 250 runners with aid, a race shirt, finisher medal and free finish photos.