This article focuses on the relationships between Bethany Hamilton and Hayley Keel. The two didn't have much interactions with each other as Bethany Hamilton made it into the Top 3, while Hayley Keel was eliminated early in Don't Lose Your Marbles.
Episodes suggesting a friendship
Episodes suggesting a conflict
In Insectophobe's Nightmare, Hayley Keel tied Bethany Hamilton and the other contestants together and pull them forward in the race himself because they were too slow.