Spencer Matthews: Habit stacking allows me to take on more extreme challenges
Spencer Matthews during his marathon, which was part of a full IronMan undertaken in Antarctica for Project Se7en
In 2024, his Great Desert Challenge saw him complete 30 marathons in 30 days, breaking a world record. At the tail end of 2025, he completed seven Ironmans on seven continents for Project Se7en, raising funds for UK charity James’ Place.
