Nathan Gagnon (Head Coach) | Crossfit Coolidge Corner
  • Box Hours


    MONDAY06:00 AM - 08:00 PM

    TUESDAY06:00 AM - 08:00 PM

    WEDNESDAY06:00 AM - 08:00 PM

    THURSDAY06:00 AM - 08:00 PM

    FRIDAY06:00 AM - 08:00 PM

    SATURDAY06:00 AM - 08:00 PM

    SUNDAY06:00 AM - 08:00 PM

  • (617) 232-0020
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    ADDRESS1285 Beacon Street Brookline, MA 02446


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Nathan Gagnon (Head Coach)

Nate is a lifelong athlete who played and competed in a bit of every sport growing up. Basketball was his first passion and during a summer camp at age fourteen, he was introduced to the weight room and was drawn to the dedication and perseverance sheer physical training required. This initiated a lifelong fitness journey which led him to CrossFit in 2012. Nate was fascinated by the CrossFit methodology and dedicated himself to both training CrossFit and studying the approach. This led him to joining what is now the Invictus Boston competition team program and becoming a part-time coach in 2016, joining a staff that included CrossFit Games athletes and a former Olympian. In 2017, Nate left the 9 to 5 world and became a full-time coach, dedicating himself to helping others through building capacity for physical expression.

As an athlete himself, Nate’s journey has been characterized by overcoming adversity as an adaptive athlete. At birth, Nate suffered a brachial plexus injury that left his right arm paralyzed, later regaining limited range of motion in a condition known as Erb’s Palsy. Despite this fact, Nate has always been determined to compete and perform on a level with those without impairments and never make an excuse. As a result of this experience, Nate loves working with athletes who may not possess innate physical gifts, but push themselves to improve despite whatever challenges they may face.

Outside of the gym, Nate enjoys the outdoors, music, podcasts, stand up comedy, reading, spending time with his fiancee and spoiling his dog.


  • CrossFit Level 1
  • Russian Kettlebell Certified Trainer
  • Adaptive CrossFit Training
  • CPR/AED Certified
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