Watch Ethiopia’s Birke Haylom break the U-20 mile record for women with a time of 4:17.13, just ahead of American Cory Ann McGee, who is now the third-fastest American female miler ever.

With just under a lap to go in heat three, the choppy nature of championship racing was on show when Kenya's Nelly Chepchirchir nudged into Ethiopia's Birke Haylom from behind. READ MORE ...