Get started with using Training Zones for your swim training or just make the process easier with this free swimming training zone calculator. Simply follow the instructions and perform a 400m Swim Time Trial Test and input data from your test and you will have your individualized Swimming Pace and Rate of Percieved Exertion (RPE) for your 6 Swimming Training Zones.  Get the most out of your training by using these Training Zones to structure your training. For best results, pair with an Endurance Strong Training Plan!