We do not have the ability to cancel subscriptions on your behalf.

Instructions for cancelling can be found here:

Please note:  Cancelling a subscription does not immediately turn off your access to live timing. 

Once you cancel a subscription, live timing will continue to be available until the expiration date of the current subscription period. 

Uninstalling Race Monitor from your device DOES NOT cancel a subscription. You must explicitly cancel your subscription through the app store it was purchased from.