Trail Running Calendar United States 2024-2025

The Hellbender 100 is a challenging 100-mile ultramarathon set in the scenic Black Mountains of Western North Carolina. Participants will navigate a course featuring significant elevation changes, including a climb to Mt. Mitchell, the highest peak east of the Mississippi.The event, organized by the..

The Dirty German Endurance Fest is an urban ultramarathon held in Philadelphia's Pennypack Park, featuring 50-mile, 50K, and 25K races. The event attracts over 600 runners annually and offers a well-marked, runnable course with a mix of surfaces, including single track and gravel trails. Participant..

The Race4Warriors Half Marathon, along with 5K and 10K challenges, is set to take place on May 10, 2025, in Lewes, Delaware. This event aims to support Wounded Warriors and homeless veterans while fostering connections between military and civilian communities. Participants can choose from various f..

The Quicksilver Endurance Runs, held in San Jose, CA, features challenging 50K and 100K races on scenic trails through oak forests and meadows, offering stunning views of the Santa Clara Valley and Santa Cruz Mountains. Celebrating its 40th edition, the event supports local non-profits, donating 50%..

The Valkyrie Trail Race is a women-only trail and ultra running event held in Colorado Springs, CO, featuring the scenic Cheyenne Mountain State Park. Participants can choose from various distances, including 50K, Marathon, 30K, Half Marathon, 8 Miler, and 4 Miler, making it accessible for runners o..

The Don's Backyard BBQ 20K Trail Run Challenge, hosted by Dirty Spokes Productions, takes place at Fort Yargo State Park in Winder, Georgia. This annual event features a 20K solo run and a 10K solo run, both designed to test participants' speed and stamina through a series of 5K segments. Runners wi..

Hoof It on the Hill is a fundraising trail race held in Boutwell Hill State Forest, Cherry Creek, NY, supporting the Chautauqua County Equestrian Trail System. Participants can choose from four distances: 52k, 26k, 12k, and 6k, traversing diverse terrains including forests, meadows, and streams. The..

The Thunderbunny Trail Races, held at Strouds Run State Park in Athens, OH, is a premier trail running event featuring three race distances: 50K, 25K, and 11K. Celebrating its 8th year, the event showcases the stunning trails of the Appalachian Foothills, with the 50K course primarily consisting of ..

The Grizzly Peak Trail Run, scheduled for May 10, 2025, in Berkeley, CA, offers a variety of race distances including a 10K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The event starts at Lake Anza and winds through the scenic Tilden Regional Pa..

The Circle of the Dragon is a 12-hour endurance running event held at Bonita Lakes Park in Meridian, MS. Participants navigate a challenging 4.6-mile loop course, aiming to complete as many laps as possible within the time limit. The event features milestone awards for various distances, culminating..

Muddy Crudd's Ultra Trail Party is a fun and challenging running event held along the scenic banks of the Chattahoochee River in Valley, AL. Celebrating its third year, the event features timed challenges including 12-hour and 6-hour races for those looking to push their limits, as well as a 5K trai..

The Lake Wobegon Trail Marathon, organized by the St. Cloud River Runners, is a scenic running event that takes place annually on the picturesque Lake Wobegon Trail. The marathon features a special four-year medal series, enhancing the experience for participants.The next marathon is scheduled for M..

The Jemez Mountain Trail Runs, held in the scenic Jemez Mountains of northern New Mexico, offers challenging races including a 50 Miler, 50K, and 15 Miler, starting and ending in Los Alamos. Known for its technical trails and significant elevation changes, the event features steep climbs and descent..

The Riverlands 100 is Maine's first and only 100-mile trail race, taking place at Androscoggin Riverlands State Park in Turner, ME. Participants can choose to run solo or as part of a 5-person relay team, with each relay member completing a 20-mile section. The course features a mix of ATV trails an..

Adventure Fest at 18 Road is an exciting annual event held in Fruita, Colorado, celebrating the local adventure sports community. Participants can engage in various competitions, including the Fruita Trail Half, Sarlacc Attack 50K, and Zippity 22K mountain bike races, along with The Dirty Edge Grave..

The Wildflower Trail Race is a two-day running event scheduled for May 10-11, 2025, at Bastrop State Park in Texas. Participants can choose from a variety of distances, including 5K, 10K, 25K, 50K, a new 100K ultra, as well as marathon, half marathon, and 7-mile options. The race features scenic tra..

Running With My Gnomies is an exciting trail running event held at Camp Tuscazoar in Dover, Ohio, featuring 25K, 50K, and a 9ish mile course. Participants will navigate a challenging and scenic route filled with hidden gnomes, encouraging runners to take selfies with them for extra rewards. The even..

The John Wayne Grit Series - Newport Coast is a running event that features 50K, 25K, and 5K races set against the stunning backdrop of Crystal Cove State Park in Laguna Beach, California. Participants navigate hill climbs and enjoy ocean views along dirt roads and single-track trails. The event sup..

The Pacific Crest Trail 50 (PCT 50) is a challenging 50-mile trail run set in the scenic Cleveland National Forest, California. This event is part of the SoCal Ultra Grand Prix Series and features an out-and-back course primarily on single-track trails. Participants will experience significant eleva..

The F^3 Cap Sauers Trail Marathon & 10 Mile is a running event scheduled for May 10, 2025, in Palos Hills, Illinois. Participants can choose between a full marathon (26.2 miles) and a 10-mile race, both set within the scenic Cap Sauers Holding Nature Preserve, the largest undeveloped area in Cook Co..