And so this is Friday, and what have we learned?
Possibly, the government of Japan was listening to MTAF reader Paul Brislen - Hi Paul! - when he crisply wrote a couple of days ago:
Call the bloody thing off you eggs.
For now the games proceed, but no longer with anyone in the stadium to give up the roar as the lonely marathon leader enters it. No doubt they will manage to simulate a colossal noise using some state of the art Sony sound system. But will he even hear it over his coughing?