Hare is sometimes the fastest racer.
BG Hare Sc 137

Hare speeding past Mama Hen and her Chicks

Hare does not like Tortoise to win the races they enter.

Season 1 Why Tortoise has a Broken Shell and Why Hare Hops

Season 2 Why Hummingbird Hums(Mentioned) and Why Cheetah has Tears(Cameo)