We all go through them, those spells where you have no motivation to exercise and put on your trainers whatsoever.
What happened to all the good intentions and fantastic morning out getting your sweat on? Who knows.
When we lose motivation and need reminding why it is that we love sport and exercise so much, we turn to people who we trust to inspire us.
This list is full of incredible people who’s books will make you want to jump off the sofa, dig out your trainers and achieve something today.