Running marathons and training for the next Ironman triathlon

John has just signed up for his 7th iron distance triathlon which will take place on 19 October 2024 at Ironman Portugal in Cascais near Lisbon. He just did a couple of marathon races within the last days and wrote about his training. Devie had a few questions after reading his latest article, wondering about his training load, time management and the relationship between engaging in endurance sports and running businesses...