Yearly Distance Record Attempt (Tommy Godwin - 75,065mi/120,000k)

Ah yes, rules 11&12 - http://ultracycling.com/sections/records/max-mileage.php

If both/either tracker and GPS data fails, the distance credited will be the shortest distance via cycleable road between locations documented in the witness book.

In the case of communication failure where either/both of the live tracker or trip recorder data is unavailable, the rider shall send an explanation (email or text message preferred) as soon as possible to the Records Chairman. The mileage involved shall be considered to be provisional until the Records Chairman can decide on the validity of the explanation.