The Ironroot Team

Each of us has an extensive background as an athlete and coach. We’ve worked with beginners, professionals, and everything in between.

Meet the Coaches

  • A female athlete smiling while running, draped in an American flag after a race, wearing a bib with 'TRIS' and '2023' on it.

    Tristin Colley

    PRO RUNNER; 2:25 MARATHONER

    Tristin was one of the most decorated runners in the history of Appalachian State University when she graduated and turned pro. Since then, she’s been one of the most consistent top-10 finishers in US road racing championships. She has also been a coach for youth, collegiate, and adult runners for several years. She’s coached her athletes to countless personal bests and always keeps the training both serious and fun.

  • Whitney Macon

    Whitney Macon

    COLLEGE WALK-ON TURNED PRO MARATHONER AND COACH

    Whitney began her coaching career in 2016 as an assistant coach at Harvard, her alma mater. She loves working with developmental athletes who set high goals and work diligently to achieve them. As a college walk-on turned pro marathoner, she helps her athletes find joy in the long-term process of growth, while fostering self-believe that they can reach their goals. 

  • Three men running shirtless on a dirt trail through a forest with tall trees and green foliage.

    Caleb Masland

    FOUNDER; TOP MASTERS RUNNER

    Caleb started a coaching practice in 2008 and grew it into his full-time job since 2013. Over the years, Caleb has worked with hundreds of runners all over the world to help them achieve everything from their first race to qualifying for Boston to breaking course records for 200+ milers. Caleb is one of the top masters runners in the US and still trains at a high level in his 40s.

  • Annmarie Tuxbury

    Annmarie Tuxbury

    PRO RUNNER & FULL-TIME PROFESSIONAL

    Annmarie is an expert at balancing the demands of a professional runner’s lifestyle with the demands of a full-time professional. Throughout her running career, she has also held a job as a statistical analyst. This makes it all the more impressive that she’s run a 2:30 Marathon and participated in multiple Olympic Trials!

  • Male marathon runner wearing a white running top and black shorts running with a crowd behind barriers and autumn trees in the background.

    Eric van der Els

    PRO RUNNER; OLYMPIC TRACK TRIALS FINALIST

    Eric became a professional runner after a successful career at the University of Connecticut. In 2024, Eric ran a personal best of 13:21 in the 5000m en route to qualifying for the finals at the US Olympic Track and Field Trials. Eric coaches individual runners while competing for the Boston Athletic Association professional team.

Contact us

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