Trail Running Calendar United States 2025-2026

Run Assault on BlackRock, a rugged 7 mile trail to a 5,810 foot summit with rocky single track and steep climbs. Beat one hour for $400 or finish in 101 minutes for a buckle and help fund outdoor murals in downtown Sylva.

Run through blooming tulip fields at the Wooden Shoe TulipFest Run in Woodburn, Oregon. Choose a 5K, 10K trail run or a half marathon, with festival admission included and scenic, sometimes muddy farm routes.

Run through the pine lined single track at Cleveland Metroparks with 13K and 5K trail options, ruck divisions, and a kid's fun run. Chip timing, hooded sweatshirts for participants, and age group awards make for a fun finish.

Celebrate St Patrick's season with the Time to Paddy 5k, 10k, half marathon and fun runs in Tampa on March 21, 2026. Choose live or virtual options and enjoy shirts, medals and family friendly races for all ages.

Run a wooded 5K on a purpose built flat trail at the Frogman 5K in Jacksonville NC on March 21. Part of the Frogman Challenge, it supports SE Outdoors and Jacksonville Onslow Sports Commission with medals for all finishers.

Tackle rugged single track at the second annual Cane Creek Mountain 3.3 mile trail run in Snow Camp NC. Enjoy rolling hills, rocky outcrops and creeks while supporting Snow Camp Fire & Rescue.

Terror of Tammany! on March 22, 2026 in Columbia, NJ is a rugged looped trail challenge with 30K (three 6.7 mile loops) and 50K+ (five loops). Expect technical climbs, a campground start and finish, strict time limits, and finisher awards.

Run the Lag Bon 10K on March 22 in Fairfax on a scenic, technical Lagunitas trail with roots, rocks and muddy sections. This small charity race supports World Water Day with proceeds to safe water programs and runners get a shirt and medal.

Celebrate St Patrick spirit at the Time to Paddy 5k/10k and Lucky 13.1 in Orlando with in person and virtual options for every pace, from a 1 mile and kids dash to a half marathon. All finishers get a designer shirt and custom medal.

Run the Fox Valley Winter Challenge 10K at Hickory Knolls in St. Charles on Mar 22, 2026, over mixed trails and rolling climbs to test your pace. Finishers earn winter swag and a medal, plus extra gear for completing the series.

Join the Southern Arizona Roadrunners 50th anniversary Spring Cross Country Classic 5K and FitKidz Mile in Tucson. This free, retro inspired cross country meet welcomes teams, throwback attire, and vintage music at Lincoln Regional Park.

Run ultra distances at Sweetwater Creek State Park near Atlanta with 200 mile and 100 mile options from March 23 to 27, 2026. Looped trails, staffed aid stations, a sleep station and hot food keep you moving while chip timing and live track..

The Arizona Monster 300 is a 300 mile point to point ultramarathon from Patagonia through the Sonoran Desert. Held March 27 to April 3, 2026, it spans rugged desert and mountain terrain with full support and standout finisher awards.

Run scenic trails on Badger Mountain in Richland, WA, with options from 15K to 100M, ruck divisions and doubles at the 15th annual Badger Mountain Challenge. Enjoy Columbia Basin views, a post race party, and charity support.

TPK Endurance is a two person team race near Phoenix where pairs have 30 hours to tackle unknown terrain and surprise skill and strength challenges. Nonstop navigation, puzzles and rugged conditions test teamwork and grit.

Run a fast, friendly 5K or 10K along wide, flat dirt trails in Del Mar with open lagoon views and a downhill finish. Scenic course may include glimpses of nesting osprey and serves as the final Sunshine Series Championship Qualifier.

Experience Moab's red rock scenery at Behind the Rocks Ultra, offering distances from 10 miles to 50 miles over singletrack, sandy washes and technical rim runs. Camp at the start, soak in La Sal Mountain views and test your desert trail le..

Tackle the Crown King Scramble, a scenic point to point 50K from Lake Pleasant into the Bradshaw Mountains, climbing from Sonoran desert to ponderosa pines. Expect rugged trails, a post race barbecue and a finisher award to celebrate your e..

The Georgia Death Race is a legendary 74 mile trail ultramarathon in Blairsville GA with roughly 16,000 feet of climbing and descent through the mountains. Runners carry a railroad spike to toss at the finish and earn an engraved keepsake.

Bootlegger 100 in Flovilla, GA on March 28, 2026 features 100 mile, 50 mile and 12 mile looped trail races with solid aid station support and crew access. Pursue a 100 mile buckle, enjoy hot evening food, and race with a welcoming ultrarunn..