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Trainer, you seem like you'd be fun to tease... Hehe♪

Maruzensky (マルゼンスキー, Maruzensukī) is a supporting character in Uma Musume: Pretty Derby.


Maruzensky is a cool, serene girl. She is like a 'big sister' figure to others and a role model for younger horse girls. Regardless of her charming character, she has an interest in car-racing activities.


She is a busty brunette with long, curly hair that is tied with a black ribbon on the back. She also has a blue ribbon tied to her right ear that matches her calming blue eyes.



  • She belongs to a famous horse girl clan in the United Kingdom because of her overwhelming speed.
  • She is only horse girl that ran in the 1970s. She talks with old-fashioned words from the 60s-90s.
  • Almost all Tracen Academy students must be in dormitories, but she alone is the exception. She lives alone.
  • As for now, 6 horse girls are real-life descendants of Maruzensky. That's the highest number among all Uma Musume characters.
  • In the game version, some of her races are based on real-life episodes.
    • At Spring Stakes, only 5 runners enter. 1976 Fuchu 3-year-old Stakes became so to avoid fighting him and taking timeover penalty.
    • At Japanese Derby, Maruzensky always get placed in #18 gate, In real life, Maruzensky couldn't enter there because of foreign-bred restrict at that time. So his jockey said "Let him run the Derby even if he is the outermost gate."

Real Life

Maruzensky was a racehorse in the 1970s. His speed was called "The Supercar", however, a foreign-bred horse restriction at that time prevented him from running in big races.

  • Maruzensky's mother Shill was imported from US being pregnant with him. He was foaled in Japan. Nowadays such horses are counted as Japanese-bred, but in 1971-1983, they are treated as foreign-bred horses. Maruzensky was most bound by the rule.
  • Foreign-bred horses couldn't enter the Classics[1] and both Tenno Sho[2]. Maruzensky could enter only Arima Kinen in 8 major races, but he retired before the day came.
  • Miho Training Center was opened in 1978, after Maruzensky retired. He belonged to Shigehiko Hongo stable in Tokyo racecourse. So horse girl Maruzensky does not belong to any dormitories.
  • Horse girl Maruzensky's voice actor Lynn loves horseracing. She bet on his descendant Lei Papale at 2021 Osaka Hai and won the trifecta, x106.2 odds.


  1. Satsuki Sho, Japanese Derby, Kikka Sho, Oka Sho and Japanese Oaks.
  2. spring and autamn