Why does a group of bikes ride next to the water in the rowing?

Question

why does a group of bikes ride next to the water in the rowing?

Answer 1

thanks for asking i was going to ask this question but I found my answer !!

Canadian won silver !!

Answer 2

its is the coashes and trainers recording their times. i heard it while i was watching the rowing. australia just won a gold medal yay!!!

Answer 3

The group of bikers are the coaches, officials, and others who are trying to keep up with the race.