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Bikini Bottom Marathon Number Seven is a male competitor in the Bikini Bottom Marathon. He only appears in the episode "Code Yellow."


He is a green fish with blue fins and wears a red and white sports suit, red shorts, and red and white shoes. He has a red headband, a jersey on with the number 7, and red pants. He is a frequent runner and is preparing to be in the Bikini Bottom Marathon.


He first appears when he is in his room in the Bikini Bottom Hospital, saying he broke his legs and asks if he will be able to participate in the marathon next week. SpongeBob fixes his legs by stuffing a fish skeleton into his body. However, he breaks his legs again when SpongeBob runs him over with Mrs. Puff's out-of-control iron lung.


  • He says "My legs!," which is a line usually said by Fred.
  • When he runs with his legs backwards, it's a reference to Mr. Muddle from Mr. Men and Little Miss when he manages to have his legs walk one way and him going another way.