You’re waiting for EXACTLY SQUAT, that’s what! In record time, you whip out your -.75 Prescription Goggles and reassemble your headgear into the Cartographer’s Bathing Cap.
Then you set out through the hole at a brisk front crawl, grateful for the rigorous training and exercises you underwent as Equestria’s Most Adorable Swimming Champion.

Hey, is that a light up ahead?