A south Londoner by birth, Martyn now lives in Yass, Australia and was one of 25,000 riders who will compete in RideLondon, a cycling event through London and Surrey that covers 100 miles.
He will represent Palace for Life in bespoke Palace cycling kit alongside 20 other members of the Foundation's team.
Each rider has or will raise at least £600 in support of Palace for Life, to help further their work with 13,000 young south Londoners. Martyn has gone above and beyond, however, raising over $2000 before he flies across the world for the event.
On his JustGiving page, Martyn says: "I am excited (and more than a bit nervous) to be chosen to take part in the Palace for Life Foundation team for RideLondon, on 3 August 2019. Me and my Cannondale will be heading to London to take part in an epic ride - some 166 kilometres of dragging my ageing and increasingly unfit body through some of London's most iconic spots, and (slowly) up some of its most brutal hills."
The ride is a sizeable challenge for Martyn, who's 48, and everyone else involved, but they are doing it for a great cause. You can support them by donating to Martyn here and read more on the Foundation's work by clicking here!