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Get Ready

Races

Plan Your Adventure
Crush Your Goals

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Mamba: 100 Miles, 100k, 50k, 25k
"Seven loops. one legend. where endurance meets destiny."
  • Nov. 7-8, 2025

  • 100 / 100k / 50k / 25k

  • Wolf River Tails - Memphis, TN

  • Western States Qualifier - 100 miler

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Cobra Den Trail Series  
"Four races. One Summer. unleash the serpent within."
  • Short Series / Long Series 

  • Cape 5k / 10k - June 21

  • Samar 4 & 8 Miler - July 19

  • Caspian 5 & 10 Miler - Aug. 2

  • King 7 Mile & 1/2 Maraton - Aug. 16

  • Virtual Series

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Cape 5k / 10k
  • June 21st

  • Tour de Wolf Trails

  • Memphis, TN

  • Finisher Medal, cooling towel, and more

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Samar  4 and 8 miler
  • July 19th

  • Wolf River Trails

  • Memphis, TN

  • Finisher Medal, cooling towel, and more

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Caspian 5 and 10 miler
  • August 2nd

  • Tour de Wolf Trails

  • Memphis, TN

  • Finisher Medal, cooling towel, and more

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King 7 miler and Half Marathon
  • August 19th

  • Wolf River Trails

  • Memphis, TN

  • Finisher Medal, cooling towel, and more

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Wolfman Duathlon & Trail Race
"run. Ride. Repeat. conquer the wild."
  • September 27, 2025

  • 3, 7, 14, 21 Mile Race options 

  • Individual Duathlon

  • Memphis, TN

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Moccasin 24
"one day. infinite miles. how far will you go before the clock strikes zero."
  • Dec. 26-28

  • Dec. 26th - Family 4 miler

  • Dec. 27-28 - 24 hour race

  • Memphis, TN

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Viper 300
"Six days. Four distances. One venomous challenge."
PRICE INCREASE - JULY 1ST. 
  • March 9-14, 2026

  • 300 / 200 / 100 / 53k / 25k

  • ​Shelby Farms Park

  • Memphis, TN

Image by Jan Kopřiva

About

Get to Know Us

Welcome to Mamba Trail Runners! We’re absolutely excited to have you as part of our dynamic trail running family! Here, you'll find all the thrilling details about our upcoming races and events, plus links to some of our favorite blogs and running tips. Don’t forget to connect with us on social media for all the latest updates and inspiration. Let’s hit the trails together!

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James Boler: Founder of Mamba Trail Runners

James Boler grew up in Memphis, Tennessee, and has always embraced an adventurous, outdoor lifestyle. A natural athlete, he played a variety of sports growing up, eventually excelling in baseball and competitive softball after college. After retiring from travel ball, James began searching for a new challenge—and found it in the St. Jude Half Marathon in Memphis. Despite having no background in running, he was confident he could complete the race with minimal training. That bold step marked the beginning of his running journey, roughly five years ago.

Since then, James has completed numerous races, including a 200-miler and ten 100-mile ultramarathons—testaments to his relentless drive and endurance.

In the spring of 2023, James took his passion a step further by founding Mamba Trail Runners and launching Memphis’s first-ever 100-mile race, the Mamba 100. His vision, passion, and meticulous attention to detail made the event a tremendous success in its inaugural year. Reflecting on the experience,

James said,

“I’ve run several 100-milers and even a 200-miler, so I know exactly what runners go through during those kinds of races. I have a huge responsibility to help them finish, achieve their goals, and have the best race experience possible.”

James continues to build Mamba Trail Runners—not just as another local running group, but as a national community of trail runners who come together for epic race experiences. His mission is to create events that challenge, inspire, and unite runners from all walks of life.

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