Four shelves lay claim to Becoming Forrest, and that spread is the most useful thing to know about Rob Pope as a writer. Sport, travel, wellbeing and entertainment each hold a piece of it, which tends to happen when a story is less about a discipline than about somebody putting one foot in front of the other for a very long time.
Writing that lands in so many sections at once is usually writing that refuses to specialise. The pull is in the undertaking rather than the technique, and the appeal reaches well beyond people who would call themselves runners.
Listeners have turned out for it in numbers that a niche subject rarely sees, and a rating holding steady across hundreds of reviews is worth a great deal more than an early flourish of five stars.