I remembered that the announcer said something in the morning over the speakers to the effect that the reason why they didn't allow wetsuit was because there was no way for them to determine who was there to race/podium and who was there just to complete the race. I thought that that was odd when I heard it. It seems like if that was the case then it wasn't a RD with balls but rather a RD who was not prepared to handle water above 78 degrees. If it's the later then that is really sad.
Also to 2x what someone has already said. Not sure how the Chesapeake was able to heat up 2 degrees overnight.
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My marathon PR is "under three, high twos. I had a two hour and fifty-something."