> won't help the average Joe much Exactly, it's only a 4% edge. That's going to take my marathon time all the way from DNF right down to the amazing pace of DN

> won't help the average Joe much Exactly, it's only a 4% edge. That's going to take my marathon time all the way from DNF right down to the amazing pace of DNF. > difference between millions of dollars in winnings and sponsorships. Worth the the $250 investment then.