Team GB women's 10,000m finalist Megan Keith, who finished 23rd and was lapped by race leaders, is praised for 'Olympic grit' - after she got the 'loudest cheer of the night'

Inverness Harriers runner Keith, 22, came 23rd and was lapped by the race's winner Kenya's Beatrice Chebet. She admitted the run was the 'hardest of my life'.