Can you guess the distance Martin Malone will swim in 24 hours?

On 6th–7th September 2025, Martin Malone will take on the ultimate test of stamina and mental resilience when he will attempt a 24-hour non-stop swim at St Andrew’s Lakes, Rochester, Kent – all to raise vital funds for Rebecca House Children’s Hospice and The Children’s Centre.

Your mission?
Guess how many kilometres Martin will swim in 24 hours to the nearest metre for your shot at one of FOUR amazing prizes!

Every guess costs just £5, and thanks to the Z Zurich Foundation, your entry will have double the impact, as they will match every pound raised! 

Prizes for the 4 Closest Guesses:

CLOSTEST GUESS WINS:

A Scott ASPECT eRIDE 940 Mountain Bike (Medium) worth £2,400 - Generously donated by Bikestyle Isle of Man

2ND CLOSEST GUESS WINS:

The same swimming bundle Martin is wearing for the Big Swim worth approx. £850 – donated by Zoggs UK

3RD CLOSEST GUESS WINS:

A 4-Night Off-Peak Getaway for two at St Andrew’s Lakes, including complimentary Zip Wire and Aqua Park tickets!

4TH CLOSEST GUESS WINS:

Two return flights to and from any two UK airports that Loganair flies from, including the Isle of Man

You can enter as many times as you like – more guesses mean more chances to win AND more support for two incredible children’s charities.

Entrants must be 18+. Our terms and conditions can be viewed here.

Be part of something extraordinary. Support children in need. Win BIG.

Guess today – and help make every metre count!

Submit your entries below or click here