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.
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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!