Fast Ball

The Fast Ball (スピードボール Speed Ball) used to catch Pokémon which run away quickly and easily such as Pokémon with the Run Away ability or Legendary Pokémon like Raikou and Entei. It is characterized by yellow half-circles on the sides of both the top and bottom halves, with the top half being primarily red and carrying a lightning-bolt yellow mark on the very top.

Catch Rate

 * Generation II
 * 4x if used on a run way or roaming Pokémon
 * 1x other usage
 * Generation Iv
 * 4x if used on a Pokémon with a base Speed of at least 100
 * 1x other usage

Trivia

 * The Fast Ball is similar the Quick Ball due the fact they are both useful in catching Pokemon that flee easily or hard to capture due to having escape moves like Teleport, Roar, and Whirlwind.