World Championships 2015: Michael Johnson's Beijing review

BBC Sport's Michael Johnson casts his eye over the key events and stories from the 2015 World Athletics Championships in Beijing.

He looks back at Usain Bolt's dramatic wins over Justin Gatlin in the men's 100m and 200m and British success with gold medals for Mo Farah, Jess Ennis-Hill and Greg Rutherford.

Available to UK users only.