Description

Enter it in the CUSTOM PRICE field and proceed to the checkout page to complete the payment.
WARNING: Use the comma character and not the dot character if you need to enter decimals (Example: 17,50 and not 17.50)

ALTERNATIVELY you can add to the cart all the races you are registered for (you will find the list HERE) and that you still have to pay and proceed to checkout to complete the payment.

DO NOT PAY  for anything that is not already on your IISA Passport. If you do not know what that is, or if you have not already received it by email, you MUST NOT PROCEED with the payment.