A trou. It covers your bum and makes those long hours sitting a little more manageable.

Arms that would make this woman faint from jealousy.

Row, row, row your boat…while looking backwards over your shoulder.

A shell, or boat. You'll want to get one that floats.

An ergometer. Better known as that thing rowers spend more time with than their actual families.

Around three (or more) other people to embark on this crazy journey with you.