Trail Running Calendar United States 2026-2027

MammothMarch returns to Kings Mountain State Park on May 9, 2026 for long distance hikes through the Blue Ridge foothills. Pick 20 or 30 mile routes that pass historic Revolutionary War sites and scenic lakes for a memorable outdoor challen..

Join the Dirty Secret Trail Run in Cool CA on May 9, 2026 for 5.8 or 10.3 miles of single track through meadows, creek crossings and a tough climb. Limited to 600 runners, finishers receive tech shirt, medal and strawberry pancake breakfast..

Join the Luau in Katy, Texas on May 9 at Mason Creek Hike & Bike Trail for 5K, 10K and half marathon distances. Enjoy a festive course with medals, shirts, costume prizes and post race fun for all paces.

Join the Pocatello Running Club on May 9, 2026 for the ninth annual Over the Top Trail Race in Pocatello, ID, where singletrack trails unveil scenic overlooks, wildflowers, cacti and rolling climbs. Choose from distances from 3 miles up to..

Run or ruck through towering pines at Mineola Nature Preserve for East Texas Ultra on May 9, 2026, with distances from 7K to 50K. Scenic looped trails, finisher shirts and medals, and a friendly community make it perfect for trail lovers.

PIGTAILS Run returns to Maple Valley for its 20th running with 50K, marathon and half marathon options along river and forest trails. Expect rugged low support, strict cutoffs, and a fun piggy finisher medal; event rescheduled for early 202..

The Laurel Lake 10k will take place in London on Saturday 9 May 2026. You can run 45 miles.

Run scenic loops along the Trinity River in Fort Worth with 5K and 10K on grassy trails and rolling climbs. Chip timing, custom shirts and finisher medals add fun while proceeds support Twin Rivers Wolf and Wolfdog Sanctuary.

Hit the trails at Northwood High School in Pittsboro on Saturday May 9 for the Run to the Rhythm Trail 5K and 1 Mile Fun Run and Walk. Scenic wooded paths, gentle hills and an event T shirt plus goodie bag make this a perfect family friendl..

Run Trailquake at Sanborn Park, choosing a half marathon, 10K or 5K on redwood and pine trails with single track and summit views. All finishers earn custom medals and shirts with tech or cotton options and walkers are welcome.

Run the Fruita Trail Half Marathon through the North Fruita Desert, a scenic single loop of 13.8 miles with roughly 1000 feet of climbing and sweeping views of buttes and mesas. Expect flowy singletrack, technical climbs and lively aid stat..

Celebrate Mother's Day with a scenic 1K kids fun run plus 5K and 10K at Pinto Lake County Park. Enjoy trails and family fun while supporting Pajaro Valley Shelter Services and local families experiencing homelessness.

The Johnnycake Jolt Series will take place in Windsor Mill on Wednesday 13 May 2026. You can run between 10 and 40 kilometers.

The Cruel Jewel 100 is a 104 mile mountain trail race in the Chattahoochee National Forest near Blue Ridge GA, featuring 33,000 feet of climbing and a 48 hour limit. Rugged singletrack, remote aid stations, and sweeping mountain views make..

UTAH 115 by Grand to Grand Ultra takes place May 15 to 17 2026 near Kanab Utah, offering 115 mile, 50 mile and 50 km out and back desert ultramarathons. Expect sand dunes, red rock climbs and night aid stations with buckles for 115 finisher..

Rothrock by UTMB is a World Series trail race in State College, Pennsylvania from 15 to 17 May 2026 through sandstone ridges and rhododendron tunnels. Choose 54.1 km or 26.9 km routes and support UTMB Cares.

Enjoy scenic park and improved trail terrain in the Race to the Tower, with distances from 5K to 20K to suit every runner. Finishers can climb the tower for a special medal and the race supports OHS Cross Country and Palisades Park.

Choose from 10K to 50K trail runs at Skyline Wilderness Park in Napa, featuring steep climbs, valley views and well stocked aid stations. Camping, showers and park scenery make this a perfect weekend escape for trail lovers.

Iron Will Backroads in Enterprise Kansas on May 16, 2026 features 50K, 100K and 100 mile gravel and rail trail loop courses with staffed aid and finisher buckles. Pacers allowed late; register by May 13 and April 23 for a guaranteed shirt.

Celebrate the 15th Run for Amma on May 16, 2026 at Skyline Ridge in Los Gatos. Routes from 10K to 50K welcome all paces and 100 percent of registration proceeds support UCSF Julia Carnevale Lab.