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, designed for speed and fun. The event offers a vibrant, supportive atmosphere with crew-friendly aid stations, music, food, and a festive vibe at the start/finish area.

It is a Western States Qualifier with strict time limits. Runners receive custom swag, including jackets and backpacks for longer distances. The race encourages camaraderie, personal achievement, and a memorable trail experience. Visit the organization's website for the most recent information.