High Performance Endurance Coaching

Triathlon - Cycling - Running

Every athlete deserves a coach as invested in their dream as they are.

Athlete Driven Endurance Coaching

There is more to training than just the plan. While each plan is uniquely designed for each athlete and their goals, we take a deeper dive into the journey by also focusing on nutrition, hydration, race planning, and balancing it all with work and family.

Each athlete can expect a high level of communication, a coach that is 100% invested in their success, and a new community to enjoy.

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Who Is Sarah Portella?

I am an endurance coach (triathlon, run, cycling) with Bolton Endurance Sports Training (B.E.S.T.) based in Nashville, TN. My goal is to provide the highest level of coaching to every level of athlete.

By placing value on two way communication and focusing on progress both great and small, I can help my athletes meet their goals and increase their love of the sport.

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Workouts & Upcoming Events

  • Podcast Guest

    Thank you to Tom Regal and Kenny Bailey of Athletes in Motion podcast for having me on to talk training!

    Give it a listen on Spotify, or you can watch on Youtube!

    Listen Now!
  • Tucson training camp

    Tucson Training Camp!

    Feb. 24th - 28th, 2027. Registration Now Open!

    Our winter triathlon training camp is back!

    Sign Up
  • track is back every thursday

    Track is Back!

    Join me every Thursday at 6 a.m. Stratford HS track in East Nashville.

    All paces and people welcome!

    Questions?