From here you can cancel a booking you have made for a future swim.
Firstly we need to know the two numbers printed on your gate card. The prefix number starts with a “K” and is followed by 4 digits (it is best to include the “K”). The second number is usually 7 digits long.
We also need the reference number you were given when you made the booking (if you have mislaid this, My Bookings should be able to assist):