Dina Asher-Smith's extraordinary tale of desperate dash for Olympic fitness

Team GB's poster girl reveals her secret attempts to get fit before Tokyo in the wake of her 100m semi-final heartbreak Tokyo blues. Dina Asher-Smith did pretty well, all things considered, to keep it together for the opening minute and seven seconds of a startlingly raw post-race debrief in the bowels of the Olympic Stadium, and fresh from elimination in the semi-final of the 100 metres. The past five weeks have, it turns out, been an extraordinary story of cloak and dagger rehab for the fastes...