Jack Harrison

Athlete

Explorer

Author

Engineer

Britain's fittest madmad

- DAILY STAR

Jack is a helicopter engineer, ultra-endurance athlete, author, and explorer who’s currently training to become a sports physiotherapist. His achievements have been featured in magazines, newspapers, radio, and TV, and he was dubbed “Britain’s fittest madman” by the Daily Star after completing many of the world’s toughest races across more than 15 sports.

The Worlds Most Versatile Ultra-Endurance Athlete

Jack’s achievements have earned him features in magazines, newspapers, radio, and TV, along with regular appearances on podcasts. He’s also made his mark in modelling and public speaking. For media enquiries or to feature Jack, please get in touch.