What is your Critical Swim Speed (CSS)? It is your current best pace per 100 for a 1500 meter or yard swim. To test your CSS pace: Swim a maximal 400 and 200 time trial within the same session, with a five minute active recovery between. Time yourself for both. Enter your 400 and 200 times below.
|Swim Speed Training Zones||Feel||Swim Speed (mm:ss / 100 meters or yards)|