Go here, start a thread then make enough posts to meet the minimum.
https://www.rcuniverse.com/forum/test-posting-forum-72/
AFAIK there is no official “record” for EDF boats, just semi-official airboat speeds. That record is in the high-90s/low-100s but uses GPS speeds so not comparable to water-prop boats. I’ve heard a few folks mention EDF speeds in the 40s though.
BTW it was 43* here today…..
.