Reference article
Champion Race
The nineteenth and final race, against the Champion Duck beyond the portal.
Entering
Win 
Professional Final 3, then enter the 
Portal to the 
Champion’s Lair.
Playing
Your 
Supreme Duck runs the course automatically, but you must click 
Domo obstacles to clear the route. This interaction distinguishes the champion race from the ordinary league races.
Preparation
Develop all four racing skills toward the maximum of 150 and feed the duck to build energy. Level 150 is not required to enter.
Winning
Victory unlocks the 
Throne Room and Arcade, marks the chosen duck path complete and adds 500,000 
Coins in Flash and 
Retro Pack.
Repeating in the Unity edition
Each victory awards another 500,000 coins.