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Verified Sat, 10 Oct 2026
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USARunningTrail100K · 100 km / 62.1 mi100mi · 160.9 km / 100.0 mi25K · 25 km / 15.5 mi50K · 50 km / 31.1 mi
Mamba 100
Memphis, Tennessee, Wolf River Refuge Trailhead, South Walnut Bend Drive · USA
Next race day
Fri, 6 Nov 2026
2 distances · see start times below
About Mamba 100
Mamba 100 is a running event in Memphis, Tennessee, Wolf River Refuge Trailhead, South Walnut Bend Drive, United States. Recorded disciplines include 100K, 100mi, 25K, 50K. The listed surface is trail. The listed organiser is Mamba Trail Runners. The next listed date is 6 November 2026. Check the organiser's information for entry and race-day arrangements.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
- Official entry
100K · 100 km / 62.1 mi
Fri, 6 Nov 2026
Starts 19:00 CST
Entries open
Advertised trail distance on a loop with a distance-specific lead-in. Start and finish at Wolf River Refuge Trailhead; all times Central Standard Time.
Edition source - Official entry
100mi · 160.9 km / 100.0 mi
Fri, 6 Nov 2026
Starts 07:00 CST
Entries open
Advertised trail distance on a loop with a distance-specific lead-in. Start and finish at Wolf River Refuge Trailhead; all times Central Standard Time.
Edition source - Official entry
25K · 25 km / 15.5 mi
Sat, 7 Nov 2026
Starts 09:00 CST
Entries open
Advertised trail distance on a loop with a distance-specific lead-in. Start and finish at Wolf River Refuge Trailhead; all times Central Standard Time.
Edition source - Official entry
50K · 50 km / 31.1 mi
Sat, 7 Nov 2026
Starts 07:00 CST
Entries open
Advertised trail distance on a loop with a distance-specific lead-in. Start and finish at Wolf River Refuge Trailhead; all times Central Standard Time.
Edition source
Location & race day
Listed venue / area
Wolf River Refuge Trailhead, South Walnut Bend Drive, Memphis, TennesseeUSA
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
Ultramarathons and a shorter trail race on the Wolf River trails. Different lead-in sections join a flat woodland loop; each distance has its own start.
- Surface:
- Trail
- Organiser:
- Mamba Trail Runners
Ways to enter
Compare the listed booking routes. Verified links show when they were checked.
Fri, 6 Nov 2026
Third-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.
Results
Public-figure or athlete-approved ATHRECS results, plus verified organiser links.
No verified results links have been added yet.
Past races
None listed yet.
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