Trail Running Calendar United States 2025-2026

Test your limits on the Cruel Jewel 100, a rugged 104 mile trail through the North Georgia mountains with roughly 33,000 feet of climbing and 20 aid stations. This Western States and Hardrock qualifier offers wild scenery and serious challe..

Explore Utah's red rock high desert in UTAH 115, a multi distance ultra in Kanab with 115 mile, 50 mile and 50k routes across sand dunes, canyons and mesas. Buckles await 115 finishers and top spots win future Grand to Grand entries.

Challenge yourself on scenic park roads and improved trails at Palisades Park. Choose 5K, 10K, 15K or 20K loop options, support OHS Cross Country, and enjoy tower views and a festive small town atmosphere.

Explore Napa's Skyline Wilderness Park on May 16 with 50K, 30K, half marathon and 10K trail runs through rim rock climbs and panoramic views of Mount Diablo, Mount Tam and Mount Saint Helena. Aid stations and on course support keep you movi..

Iron Will Backroads in Enterprise KS offers 50K, 100K, and a nine loop 100 mile course over scenic gravel roads and a rail trail. Finishers earn buckles while enjoying manned aid stations, tri blend shirts, and a welcoming ultra vibe.

Celebrate the 15th anniversary of Run for Amma, a charity trail run at Skyline Ridge supporting UCSF cancer research. Choose from challenging 50K and 30K routes or a scenic 10K, and enjoy community support from volunteers and local clubs.

Run a rugged 50k or 100k at Camp Agapé in Fuquay Varina on May 15 to 17, 2026, over technical singletrack and gravel loops with big climbs. Camping included but limited so carpool and enjoy a friendly weekend with aid stations.

Rimrock 50 Mile Trail Challenge in Napa invites solo runners and two person relay teams to tackle two scenic loops through Skyline Wilderness Park and nearby preserves. Expect staffed aid stations, on site camping, and hearty post race food..

Tierra Redonda Mountain Trail Run and Camp brings runners to scenic Bradley, CA for trails, camaraderie, and camping. Choose from options from 5 km to 48 hour and enjoy singletrack and community vibes.

Quest for the Crest in Burnsville NC features 11K, 25K and a rugged 50K that tops out on Mt Mitchell. Expect steep climbs, hands on scrambling and rope sections for experienced trail runners.

Run scenic trails at O'Neill Regional Park on May 16, 2026, with distances from 10k to 50k for every level. Expect challenging singletrack, on site bib pickup, and a friendly race day vibe that welcomes beginners and ultrarunners.

The Oil Creek 13 Stacked Trail Race, held at Drake Well Museum and Park in Titusville, Pennsylvania, offers a unique trail running experience through Oil Creek State Park. The event features two distances: a 5-mile and a 13-mile race, both..

Join the 5th annual Taco 'Bout Fun Run at Buffalo Park in Flagstaff for scenic trail races through Ponderosa pines. Pick 10K, 5K, a stroller friendly 1 Mile Stroll, or the free Children's Churro Chase and enjoy tacos at the finish.

Challenge yourself on the Massanutten Mountain Trails 100 Mile Run, a rugged trail ultramarathon in Virginia with more than 18,000 feet of climbing. Expect rocky singletrack, well stocked aid stations, and a 36 hour cutoff.

Tackle rugged trails at the Silver State 50/50 in Reno on May 16, 2026, offering 50 mile, 50K and trail half marathon distances across scenic, challenging singletrack. Expect big climbs, friendly aid stations and a classic ultra vibe.

The Bishop High Sierra Ultras, held at Millpond Recreation Area in Bishop, California, offers challenging high-altitude trail races including 6K, 20 Mile, 53K, 50 Mile, and 100K distances. The courses traverse scenic Eastern Sierra Nevada f..

Run spring trails along Lake Superior at the Superior Spring Trail Race in Lutsen Minnesota on May 16 2026, with 12.5K 25K and 50K options on singletrack and hiking trail terrain. Expect scenic views, aid stations, and strong volunteer supp..

Run rugged singletrack through the Oregon Coast Range at the Tillamook Burn Trail Run on May 16 and 17, 2026 in Tillamook State Forest. Options include 50 mile, 55K or the 50M and 55K double, with full aid, timing and a festive finish.

Take on the rugged single track Berryman Trail in Mark Twain National Forest with marathon and 50 mile options, featuring rolling hills, rocks and roots and scenic creek crossings. Aid stations and camping available.

Wildcat 2026 on May 16 in El Sobrante offers scenic 360 degree views of the Bay Area with race choices from 5K to half marathon or a remote option. Join the fun and help support the East Bay Regional Parks Campership Program.