How He’s Attempting a Guinness World Record in Triathlon

In this episode of the Tribe Triathlon Podcast, host John Mayfield sits down with endurance athlete Tom Scheer to share one of the most inspiring stories in triathlon today. From his first sprint race in 2006 to chasing a Guinness World Record for the most 70.3 (Half Ironman) races completed in a single year, Tom’s journey is a masterclass in resilience, consistency, and purpose-driven performance.Tom opens up about his transformation from a 350-pound pizza shop owner to a Kona finisher and elite endurance athlete, revealing the mindset shifts and daily habits that fueled his success. He also shares the challenges of attempting a world record—balancing family, business ownership, and nonstop racing—while pushing his body and mind to the limit week after week.This episode goes beyond racing. Tom discusses how his upbringing in the Boys & Girls Club shaped his competitive spirit and why giving back and inspiring others is the true motivation behind his record attempt. You’ll also hear practical advice for new triathletes, including how to build consistency, overcome fear of the swim, and create sustainable training routines.Whether you're training for your first triathlon, chasing a PR, or looking for motivation to stay consistent, this episode delivers powerful insights and real-world inspiration.In this episode, you’ll learn:How to go from beginner to endurance athleteThe strategy behind completing multiple 70.3 races in a yearTips for building consistency in triathlon trainingThe importance of community and mentorship in endurance sportsHow to balance training, career, and family lifeIf you're a busy athlete chasing big goals, this conversation will challenge you to think bigger and go further.