Rare Runners

 Runners are Runners who have a lower Card drop rate than Common Characters. Upgrading them also costs more Rings than Common Runners Runners. Because of this, they are somewhat more harder to unlock and level up than Runners. In order to unlock a character, you would need to have at least 60 cards of the same character. There currently exists 10 playable Runners in the game.

List of Runners

 * Blaze
 * Cream
 * Espio
 * Jet
 * Rouge
 * Storm
 * Tangle
 * Vector
 * Wave
 * Whisper

Trivia

 * With the Victory Chest, it is possible to randomly unlock anyone of the above characters right away.