The Breakfast Show Sporting Challenge - Ice Climbing
Watch Chris and Jonny face up to the daunting prospect of climbing a wall of ice.
The pair headed over to Vertical Chill in London's Covent Garden, where their 'mountain' guide for the day was leading British climber Tim Emmett.
Which of the boys was able to look down on his rival? And whose chances of glory slipped away from them? Find out in the Ice Climbing Sporting Challenge video.