‘There’s no secret to what I do. It’s just hard work,’ says Mo Farah in this intimate documentary about his brutal regime in preparation for Rio. He runs 120 miles every week and pushes himself unbelievably hard. It means being away from his family for six months every year, training even when he is ill and sleeping in an altitude tent every night. We also see Mo return to his childhood home of Djibouti in East Africa and with his four children at home in Portland, USA, hear his wife Tania’s take on life with a double Olympic gold medal winner and examine the impact the doping scandal of 2015 had on him. An exhausting account of what it takes to be the best.