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by expression1sh 684 days ago
Slow pools absolutely exist, as wave drag is the major impediment to speed and contributes about 55% of total drag. A shallower pool has more reflected wave energy in all directions. 2m is very shallow for a competition pool.

This paper does a decent job of modelling how swimmers move through water: https://royalsocietypublishing.org/doi/epdf/10.1098/rsif.201...