Michael Johnson sums up British success
It's been a golden week for British athletes at the World Athletics Championships in Beijing in China.
With gold medals for Jess Ennis-Hill, Mo Farah and Greg Rutherford.
Shara Proctor broke the British record in the long jump to win silver.
Dina Asher-Smith, 19, also broke the British record in the 200 metres.
Martin's been chatting to former Olympic Champion Michael Johnson about his highlights.