Mamba 100 - Memphis, TN

The Mamba 100 is an exciting ultrarunning event taking place in Memphis, TN, on November 7-8, 2025. Participants can choose from various distances, including a 100-mile, 100K, 50K, and 25K race, all set along a scenic 14.35-mile loop trail by the Wolf River. This event is not only a Western States Qualifying Race but also a celebration of endurance and community, featuring a supportive atmosphere, music, and food.

Runners can expect well-stocked aid stations, crew access, and unique swag items. The Mamba 100 promises an unforgettable experience for both seasoned and novice ultrarunners. Visit the organization's website for the most recent information.