Trail Sisters Approved: Trail Sisters Approved

XTERRA McDowell Mountain Trail Run

With over 80 miles of trail to choose from, McDowell Mountain Regional Park is a trail runner‚Äôs paradise. Similarly, our venue for the fifth running event of Arizona‚Äôs XTERRA Trail Run Series has courses for all trail runner levels. No loops necessary here, the 43k, 15mile, 10k, and 6k will keep you on a new […]

XTERRA White Tank Trail Run

Next on this adventure, race number four in the Arizona XTERRA Trail Run Series takes place at White Tank Mountain Regional Park on Sunday, January 14, 2024. This nearly 30,000-acre park is made up of the rugged and beautiful White Tank Mountains, named for depressions cut into white granite. 40k, 20k, and 8k courses will […]

The Shippey Endurance Runs

The Shippey Endurance Runs was created with the focus on the building of community. We say you sign up as a runner but leave us as family. Our focus is giving a high quality event with simple grassroots feel. This is STL’s Original 100-mile trail ultra!!Nestled quietly in the rolling wooded hills just outside of […]

Hellbender 100

The Hellbender One Hundred is one of the most scenic hundred milers on the East Coast. This course will take you through a grueling tour of the massive Black Mountains, deep into the valleys below and to the summit of Mt. Mitchell, the highest mountain East of the Mississippi. With an elevation change of ~43,000+ […]

Hardrock 100

Trail Sisters Half Marathon @ Lake Sonoma

The Trail Sisters (TS) Half Marathon is a women’s only event. It was created to foster encouragement and camaraderie amongst all abilities and experience levels. This out and back course starts with steep trail ascent to South Lake Trailhead, but also provides a speedy descent to the finish. True to its label, you can expect relentless […]

Lake Sonoma Relentless

Join us in Healdsburg, California, on April 12th 2025 for the TERREX Lake Sonoma 50 Mile, Marathon, and Trail Sisters Half Marathon! We are excited to announce adidas TERREX as our presenting partner! We are stoked to team up with Mountain Oupost to bring you full livestream coverage, athlete panels, interviews, and commentary from special […]