Originally Posted by Hermes

You should try a measured mile for time from a full power standing start. I think you will be amazed how hard it is and the standing start takes a lot of energy. When you have a distance objective coupled with the shortest time possible, it is substantially different from doing 2 minute efforts. When I do 1 or 2 minute efforts, I usually do more than one and that by definition means I will measure the first one and take a shorter recovery period versus max out the first one and then hang out for 20 minutes trying to recover while I cough my head off.