The Mamba 100 is where endurance athletes come to test their limits on the cleanest, fastest dirt trails in the Southeast. This Western States Qualifier draws runners from across the country to tackle the legendary Wolf River singletrack, chase new PRs, and earn all-new buckles and medals, including the coveted …
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The Mamba 100 is where endurance athletes come to test their limits on the cleanest, fastest dirt trails in the Southeast. This Western States Qualifier draws runners from across the country to tackle the legendary Wolf River singletrack, chase new PRs, and earn all-new buckles and medals, including the coveted Sub-20 and Sub-24 hour 100-mile buckles. With world-class photographers capturing every moment, seamless course marking, unmatched community support, and a race weekend that feels more like a celebration than a competition, the Mamba 100 is the event you’ll talk about all year. Registration opens Black Friday at Noon — and for 12 hours only, you’ll lock in the lowest price of the year. Claim your spot and experience one of the Southeast’s most exciting ultras.
Western States Qualifier Race
Mamba 100 Miler is officially a Western States Qualifying Race. To earn your WSER qualifier, runners must complete the full 100 miles within the 34-hour cutoff.
Course Description
The Mamba course is centered around a 14-mile loop of flat, fast, and smooth single-track with just a few small hills. Every race starts with a short “lead-in” section before runners enter the main loop.
Race Distances & Loop Breakdown:
100 Miler – 7 loops + 2-mile start section / Total ≈ 100 miles
100K – 4 loops + 6-mile start section / Total ≈ 62 miles
50K – 2 loops + 3-mile start section / Total ≈ 31 miles
25K – 1 loop + 1.5-mile start section / Total ≈ 15.5 miles
Awards, Medals, and Buckles
• Top 3 Male & Female in every race distance receive awards.
• 100 Mile:
– Sub-20 Hour buckle
– Sub-24 Hour buckle
– All 100-mile finishers earn a custom Mamba buckle
• 100K: All finishers earn a 100K buckle
• 50K & 25K: All finishers earn finisher medals
All buckle and medal designs are brand-new this year. Note: We do not offer drop-down buckles or medals for any distance. Every award is earned for the race you complete.
Trail Sisters Approved Race
Mamba 100 is a Trail Sisters Approved race — meaning every athlete can count on equal opportunities, equal podiums, equal swag, and a fully supportive race environment for women at every distance.
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