Trail Running Calendar United States 2024-2025

The Sunapee Scramble is an exciting mountain running event taking place on June 1, 2025, at Mount Sunapee in New Hampshire. Participants will tackle a challenging 9.3-mile course featuring a total elevation gain of 3,300 feet, racing up and down the mountain twice. The event serves as the sole selec..

The Cinderella Trail Run, scheduled for June 1, 2025, in Oakland, CA, offers a variety of race distances including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The scenic course winds through Joaquin Miller and Redwood Regional parks, featu..

The 2025 Lake Chabot Trail Challenge features a Half Marathon and a 5K run, taking place in Castro Valley, California. This annual event, now in its 41st year, is popular among trail runners and offers scenic courses with views of Lake Chabot, Mt. Diablo, and the San Francisco Bay.The Half Marathon ..

The Crazy Legs 10k+ Trail Run is an exciting running event taking place at Devil’s Backbone Open Space in Loveland, Colorado, on June 1, 2025. This trail run features a challenging course designed to provide a fun experience for participants. Runners will navigate through various trails, with water ..

The Hiawatha Spring Trail Run is a scenic running event taking place along the Hiawatha Trail in Spokane, Washington. Scheduled for June 2 to June 9, 2025, participants can choose from various distances, including 50K, 25K, 15K, and 10K, as well as a virtual option. Runners will experience unique fe..

The IronHike Endurance Series - Spring 2025 takes place at Mohawk Mountain in Cornwall, CT, featuring a unique blend of hiking and trail running. Scheduled from June 5 to June 8, 2025, participants can choose from various events, including individual and team formats for distances ranging from 15 to..

The Sticks is a unique timed running event held on a farmstead outside Norton, KS, featuring races of various durations: 6, 12, 24, 48, and 72 hours. Participants will navigate a 3-mile loop course that includes mowed pasture and dirt roads, with the option to take a longer 4.3-mile loop at specific..

The MoMoFo100k and 20 Mile Fun Run is an exciting trail running event taking place in Morgan Monroe State Forest, Martinsville, Indiana. Scheduled for June 6-7, 2025, the event features a challenging 100 km race with approximately 7,500 feet of elevation gain, primarily on single-track trails. For t..

TPK Bad Decisions is an exciting endurance event organized by Two Punk Kids, designed for teams of four. This unique competition combines elements of adventure racing with a series of challenging tasks that participants must complete non-stop over approximately 30 hours. Teams will face three types ..

The San Diego 100 Mile Running Race is a challenging endurance event set in the scenic Mt. Laguna Recreational Area, featuring a 90% single-track mountain course. Scheduled for June 6, 2025, this race covers approximately 15,400 feet of climbing and descent, with a 32-hour completion limit.It serves..

The Hell Hole Hundred is an endurance running event held at the Jericho Horse Trail in Bethera, South Carolina, featuring various distances from 10K to 100 miles. Set in the challenging heat and humidity of June, the race offers a unique test for runners of all levels. Participants can enjoy primiti..

The Rock River Canyon 50K Trail Run, organized by Great Lakes Endurance, takes place in Munising, Michigan, showcasing a stunning route through the high country and remote river valleys of the Upper Peninsula. The course features a mix of 26 miles of single track and 5 miles of dirt forest road, wit..

XTERRA Cameron Park is an exciting outdoor sports event scheduled for June 7-8, 2025, in Waco, Texas. As part of the XTERRA World Tour, it features a range of races, including an off-road triathlon, duathlon, and various trail runs. Participants can expect a challenging course that includes steep cl..

The Sinks Canyon Trail Races, hosted by the Lander Running Club in Wyoming's Shoshone National Forest, offers a scenic and challenging experience for runners of all levels. Participants can choose from three distances: a 50K mountain run, an 18K trail race, and a 6K fun run, along with a free 1K eve..

The Huron 100 is an endurance running event taking place on June 7, 2025, in the Waterloo State Recreation Area, Grass Lake, MI. Participants can choose between a 100-mile race and a 50-mile option, both featuring scenic point-to-point courses that traverse the Huron River Watershed. The Huron 100 i..

The Rose Canyon Ultra is an exciting trail running event taking place on June 7, 2025, at the Butterfield Trailhead Regional Park in Herriman, Utah. Participants can choose from three distances: 50 miles, 50k, and 30k, all set against the stunning backdrop of the Wasatch Mountains. The course featur..

The Eagle Up Ultra is a premier 24-hour running event held at St. Helena Park in Canal Fulton, OH, known for being one of the largest of its kind globally. This event, in partnership with Team RWB, supports veterans and encourages participation from runners across the U.S.and beyond. The course feat..

Marsh Peak Madness is an exciting endurance and speed running event set in the scenic Uintah Mountains, specifically at the Middle Mountain Corral Trail Head. Participants can choose between two endurance options: a 6-hour or 12-hour challenge, where they aim to complete as many loops of the 5-mile ..

Pi in the Sky is a unique FAT ASS style running event taking place in Phoenix, AZ, featuring an 8-mile out-and-back course. With no entry fee, participants will navigate partially marked trails through the scenic Phoenix Mountain Preserves, including a summit of Piestewa Peak. Runners are responsibl..

Ridge to Rails is an exciting running event held in Old Fort, NC, featuring a 50k, half marathon, and 10k race. The courses showcase a mix of classic and new trails, offering stunning views and varied terrain. The 50k is a challenging loop through the Mill Creek Valley, while the half marathon is a ..