This couple from the Isle of Wight are in training to tandem cycle the length of the UK.
Setting off from their home in Sandown, Mo Latham, 67, and David Eldridge, 56, will bike to Lands End and begin their the gruelling challenge to John O’Groats and back home again.
It's thought the 2,550 mile return journey could take six weeks, cycling eight hours a day.
Mo was diagnosed with Type 1 diabetes 40 years ago. Sponsor them here.