What is the Dunning-Kruger effect and how does it relate to pool and open water swimming?
Imagine these brief vignettes: You’re swimming in the pool lane and it’s going pretty much as it usually goes. Outside the lane the rest of the pool is public recreational swimming. In the other part of the pool are a bunch of lads, maybe in their twenties. At one point you flip off the wall mid-way through a 400 or an…