The third panel references the Haribote Memorial, a (fictional) 1400m G3 race directly preceding the Japan World Cup. The runners in that race are Haribote-like derivatives of the typical Japan World Cup runners, and indeed they all fall apart at the first bend.
You're kidding right!?
Why'd you pick the swimsuit!?We got lucky didn't we?Right?Yo Suzuka! Cheer for me okay?VoTrai-san, it suits you well~Thanks♪ It suits you too Puppy-san!