Reference article
Yellow Spiky Duck
Yellow Spiky Duck is a local rival who offers a race in Mountains.
Challenge
Speak to this duck in 
Mountains to enter 
Yellow Spiky Duck’s Race. There is no specific level requirement to enter.
Dialogue
My race has running, flying and swimming! Can you believe it?! I'm a very well rounded duck. Oh, I found this tournament ticket on the floor. You can have it if you win
Race guide
See Yellow Spiky Duck’s Race for the course and rewards.