The celebrities are being put through their paces as the heat continues. One famous face has already flown the nest, leaving the others still in with a shot of making it into the quarter-final.

Facing the second heat are 'Gladiator' and Team GB sprinter Harry Aikines-Aryeetey, actor Danielle Harold, comedian and actor Eshaan Akbar, actor Rochenda Sandall and reality star Chloe Burrows.