https://community.usms.org/swimming/f/general/9735/pyramid-set-phenomenonSo I have a question for endurance workout gurus..... Why was my pyramid swim of 100,200,300,400,500,400,300,200,100 with a send off of 1.30 per 100 that I swam this morning, so much easier than say a set of 8 x 300 off 4.30? That last 100 I cameen-USTelligent Community 12https://community.usms.org/thread/157136?ContentTypeID=1Tue, 08 Feb 2011 06:35:01 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:a6eaad19-dd43-413a-a24f-aa27fb62fbd5aquageekSome workouts are bad, some good, some great. It&#39;s the big mystery as to why. I wouldn&#39;t draw any major conclusions based on a couple of workouts in the same week.<div style="clear:both;"></div>https://community.usms.org/thread/157119?ContentTypeID=1Tue, 08 Feb 2011 06:23:38 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:2ab8c817-c690-4f43-bba9-42b7cdf93f1borca1946The shorter distances give your muscles time to recover over equal long set.<div style="clear:both;"></div>