Maybe they should start selling "tainted" sport watches that shrink/expand 1 second for each run; that way one can think they trained for a worse time than they

Maybe they should start selling "tainted" sport watches that shrink/expand 1 second for each run; that way one can think they trained for a worse time than they actually did. Though we might be already much closer to the limits of human body/technique than back in the day...