The Triathlon Brick Session

Mark Livesey is a seasoned triathlete (30yrs), coach, and endurance adventurer with a career that spans decades of pushing physical and mental limits. A former British Army Physical Training Instructor , Mark brings military precision, discipline, and resilience to everything he does — from elite triathlon competition to extreme expeditions in some of the world’s toughest environments. As a triathlon coach and mentor , he has guided countless athletes toward their goals, combining science-based training with hard-earned experience. Mark’s racing portfolio includes IRONMAN , ultra-endurance , and multi-day adventure events across the globe — often in remote and demanding conditions. Beyond racing, Mark is an accomplished filmmaker and photographer , capturing the raw emotion and human stories behind endurance sport and exploration. His creative work reflects the same authenticity and intensity that define his athletic c