At snooker, O'Sullivan is easily the best in the world. At running, he is club class...His frank memoir, which reads like a transcript from the psychiatrist's coach, explains that running - and the running community - gave him a sense of acceptance and achievement.
Running is a chaotic race through O'Sullivan's life, but this does little to dethrone him as the people's champion - it simply adds further to his legend.
The running is literal as well as metaphorical...it's a heartbreaking story
Like a lot of shy people, he can look arrogant and aloof when he is performing, while underneath there's turmoil.
When he starts talking about snooker and his rivals, he is fascinating. Yet it wasn't snooker that ended up saving from the booze and drugs - it was distance running.