UPDATE: Saturday March 29th! Marin Triathlon race prep! Join us as we ride the course, go over transitions, and all you need to know to conquer race day!! Bike/Run training session on the Marin Triathlon course! Any and all levels welcome!! Not a TRI GRIT member? No worries! Register for FREE using the link in our bio or at trigrit.com. #marincounty #marinendurancefestival #triathlon #triathlonmotivation #triathlontraining #swimbikerun #endurancetraining #triathloncoach