Slimline

Slimline is a horse that races at Windsor. It is mentioned in "Many Happy Returns".

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Sid bets £100 that he unwittingly stole from Ranjeet Singh on Rainbow's End, so Jeremy Brown and his EFL class head to the betting shop with Sid to watch the race. Slimline is in sixth place at the start of the race, but pulls ahead of Sullen Peacock soon after it begins. Since Rainbow's End pulls ahead as well, Slimline presumably finishes in sixth place, but is advanced to fifth place after Rainbow's End is disqualified.