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Mamba 100 - Memphis, TN

Memphis, United States • 7-8 Nov 2025

The Mamba 100, taking place in Memphis, TN, is an exciting ultrarunning event featuring multiple race distances: 100 miles, 100K, 50K, and 25K. This race is a Western States Qualifying event, encouraging participants to push their limits in a supportive and vibrant atmosphere. The course consists of a scenic 14.35-mile loop along the Wolf River, primarily on single-track trails. Runners can expect well-stocked aid stations, a crew-friendly setup, and a festive environment with music and food. Participants will receive unique swag based on their race distance, making this event a memorable celebration of endurance and community. Visit the organization's website for the most recent information.

United States Tennessee Memphis

Race information

Website Registration
100 mi
100 Miler
100 km
100k
50 km
50k
25 km
25k
Visit the organization's website for the most recent information.
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