Kappes beat fellow Briton Neil Fachie in the final to complete a British one-two.
The first race started slowly, as pursuits usually do, with Kappes reluctantly taking the lead.
Both riders started their sprint early and Kappes was able to keep the lead to go one up.
A similar pattern occurred in the second race, with Fachie leading this time.
Kappes used the gap to his advantage though, and rushed past the other bike to win the gold medal.
Kappes was the reigning champion, but this was his first win with Maclean as his pilot.