Prepare to elevate your performance

Next Level Endurance was born out of passion for endurance sports and the desire to help people achieve their next level!


Coach Sherianne Little

As the Head Coach at Next Level Endurance my goal is to impact as many people as possible and train new coaches about our philosophy to positively impact as many people as they ca… more

Train with us!

When working with us at Next Level Endurance you will be challenged not only physically but mentally as well.  You will experience a new way of looking at your body, learning to see it’s potential and … more

Coach Mimi Stockton

I grew in Chicago and have lived in southwest Michigan for the past 10 years. I have three amazing kids who keep me quite busy on a daily basis. I teach various classes (spin, TRX, bootcamp, etc.) at … more

Coaches’ Certifications




Millions of people all over the world love to swim the Total Immersion (TI) way because our technique is satisfying, easy to learn, and really works!

Next Level Training Camps and Skill Building Clinics

Effortless Swim and Mountain bike Clinics

Monday October 2 through Wednesday October 4 2020

Swim Clinic $295 and Mountain bike Clinic $150

Come to both and save! $400

Next Level Endurance Blog

XTERRA Couch to Trail – Should I hire a Coach? Do I need an Off-Road Coach? The Answer…like most things in life, depends.

By 5x XTERRA World Champ, Mimi Stockton Most age group triathletes can benefit from hiring a coach, at least for a certain time period.  But what are the benefits of hiring a coach and when is the right time to hire a coach?  The benefits are many and I will discuss those below and theContinue reading

XTERRA Couch to Trail – Swim Toys! What Should I Put In My Swim Bag?

By 5x XTERRA World Champ, Mimi Stockton As a triathlete you are likely no stranger to acquiring and collecting gear.  We engage in three sports, which means we need stuff for all three sports.  From mountain bikes to GPS watches to tri suits, the list can be long and sometimes problematically expensive.  Fortunately, when itContinue reading

XTERRA Couch to Trail – Should I hire a coach?

By 5x XTERRA World Champ, Mimi Stockton I get asked a lot, “Who’s your coach?” And the answer has always been “No one, I coach myself.”  I have never had a coach throughout all my years of racing.  There have been many times I have contemplated hiring someone to help me properly stay on trackContinue reading

XTERRA Couch to Trail – When You’re Injured for the Big Race

By 5x XTERRA World Champ, Mimi Stockton Being Injured Sucks. Period. The final nail in the coffin happened with about a mile left to go in the run. Flying down the mountain, not paying complete attention to what was under my feet, I landed with my already inflamed foot on a sharp rock. The firstContinue reading

Helping you achieve YOUR next level!