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On first thought, a shark would make a pretty good roadie: they don't need to shave their leg hair, for instance.

However, it appears that both basking sharks and great whites peak at only 5.5 W/kg, while professional human cyclists can sustain such output.

https://pubmed.ncbi.nlm.nih.gov/30209042/

(incidentally, everything old is new again: https://news.ycombinator.com/item?id=41179954 )