Super Rare Runners

 Runners are Runners that has the overall lowest Card drop rate in the game. Upgrading them is more expensive to do than Common Runners and Rare Runners Runners. Because of this, it will take quite a long time to be able to fully upgrade them. In order to unlock a character, you would need to have at least 30 cards of the same character. There currently exists 8 playable Runners in the game.

List of Runners

 * Big
 * Chaos
 * Eggman
 * Metal Sonic
 * Shadow
 * Tikal
 * Zavok
 * Zazz
 * Zeena

Trivia

 * As cards can be obtained through free chests, it is entirely possible to immediately unlock a Super Rare character through those chests due to how low it costs to unlock this type of Runner.