The rules for this challenge are simple: you accelerate, you lose. You cannot press the X button, you cannot use the right analog. Also to make this more intersting, penta penguin is forbidden too.

With those rules set, sewer speedway is a quite interesting track to play. My strategy was to hit the turbo pad as soon as possible bu going backwards, use that speed to u-turn back to the turbo pad and go. However, doing only that isn’t enough, you’ll get a 53/54 seconds start lap, and that requires you to do a pretty good lap 2 and 3, which is very unrealistic with alternative characters. So I had to change my strategy a bit: I decided to do backwards froggy on the small downhill and hit the turbo pad in a diagonal angle so it’s easier to turn around. That saved me 3s, enough time to beat Oxide’s ghost by just doing average laps here. Also I used Coco because acceleration characters have a pretty good balance of speed and turning, and that makes Sewer Speedway quite enjoyable to play.