https://community.usms.org/swimming/f/general/12637/high-intensity-swimming-helpHello, I am a 51year old male who is 5&#39;8&quot; and 225 lbs. I started swimming in Feb 2016. I on average swam 3 days a week and lost about 15-18 lbs and got stronger. I worked my way up to a mile in 45 minutes and then up to 2 miles in 90 minutes. I coulden-USTelligent Community 12https://community.usms.org/thread/200050?ContentTypeID=1Mon, 12 Dec 2016 06:27:35 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:94742ac5-7078-4c4e-b8a6-0006b45ff898Elaine KrugmanI just responded to your other thread, and then I noticed this one. You might want to delete the other thread, because they are both essentially the same topic.<div style="clear:both;"></div>