Mamba 100 - Memphis, TN

The Mamba 100 in Memphis, TN, is a premier ultrarunning event featuring distances of 100 miles, 100K, 50K, and 25K. The race takes place on a fast, scenic 14.35-mile loop along the Wolf River, primarily on single-track trails with low elevation gain, making it ideal for speed and personal records. The 100-mile race is a Western States Qualifier with a 34-hour cutoff.

The event offers a lively, supportive atmosphere with crew-friendly aid stations, music, food, and a festive vibe at the start/finish area. Participants receive custom swag, and top finishers earn awards. The race emphasizes community, endurance, and memorable experiences. Visit the organization's website for the most recent information.