How do you race frogs pocket frogs

After you have tamed your frog in the pond ( by catching flies) you tap on your frog and on the bottom where it says breed and pond, there is a button that says race ( it has a flag on it ).

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Just sayingg, the new version of pocket frogs doesnt have a "Race" button, but if you click the "Game" button in the far right upper corner, you can chose "Puzzle" or "Race". Then you can race your frogs! But your frog must be tamed.