Reference article
Rooftop Jumping
Rooftop Jumping is a amateur race in 
Duck Life 1.
Entering the race
Complete all four Beginner races to unlock the Amateur group.
Preparation
Train the relevant skills before entering. 
Energy is also important: feed the duck so it can complete the course. The race runs automatically.
Prize
The first victory awards 100 
Coins and unlocks 
Propeller Hat. The unlocked cosmetic must still be bought in the 
Duck Shop, for 100 coins. Each prize is awarded once.