Benjamin Grinnell

Ben’s primary sporting background is in squash, but later in life he has expanded into endurance sport. He has completed five marathons, five Ironman triathlons, three Dragon Devil Rides, and a 24-hour row on a Concept2 ergometer. In 2025, Ben successfully completed the North Pole Marathon and the Sydney Marathon, marking his third World Marathon Major toward the Seven Star journey. He is currently preparing for the World Marathon Challenge in 2026. Outside of sport, Ben is a digital and AI entrepreneur, a vegan, and lives in an eco-home he built in London with his wife, Yioula. He is also a father of four.