Cherie Gruenfeld, 78-year-old Ironman veteran and USA Triathlon-certified coach who recently became the oldest female competitor to complete the coveted VinFast Ironman World Championship in Kona, Hawaii. She is founder of Exceeding Expectations, a San Bernardino, California–based nonprofit foundation that helps at-risk kids redirect their lives through the sport of triathlon. Based in Palm Springs, Gruenfeld is a member of the USA Triathlon Hall of Fame. CherieGruenfeld.com
Ironman events are among the toughest single-day endurance events in the world, consisting of a 2.4-mile swim, a 112-mile bike…
