Mr. Obvious wrote:Yes, plus the very basic mistake that 1500 is almost twice as long as 800, so the proportional slowing is not comparing 1s in the 800 to 3.4 in the 1500 but would have to involve comparing 1s in the 800 to 3.5/800/1500 or 1.81s.
err...
who mentioned anything about "proportional slowing" ?!
simple concept : at elite level, if your sole aim is to run you best possible 1k :
1s at 800m is worth ~ 3.5s at 1500m for the 1k