Cells use lipid molecules for energy storage as well as insulation and structuring. These molecules are mostly known in the vernacular as fats although they do encompass m â¦ ore than just traditional fat molecules.
In swimming, your aerobic swim pace will be a result of your average 50 yard or meter freestyle pace or your 100 yard or meter freestyle pace over a given distance. And the given distance will be determined by the particular triathlon for which you will be training.
1 Those bursts of speed may last 30 seconds to a minute. After each interval, slow down and let your heart rate come back down.  Swimming: Swim a length, rest for 30 seconds, swim another length, and repeat until you've swum six lengths, suggests Guy Edson, technical director of the American Swimming Coaches Association.