Backyard pool swim
From Openwaterpedia

Jack Butera doing backyard pool swimming in Florida during a government-mandated shelter-in-place ordinance
noun - Backyard pool swimming is aerobic-based swim training in small, backyard pools for competitive swimmers and water polo players, performed as alternatives to training in larger, normal-sized competitive swimming pools.
Competition
Backyard pool swims can also become competitive lockdown swims among many swimmers in different locations.
KAATSU Aqua Backyard Pool Swimming
with KAATSU Aqua Bands on the arms
with and without KAATSU Aqua Bands on the arms and legs