When I was just starting to get involved in athletes, I remember two studies getting a lot of attention. The first stated the the physiological limits of humans meant that the 100-meter world record could not be lower than 9.64 seconds. At the time it was 9.79 seconds. The second was that women were catching up with men in 100-meter performance, and would one day overtake them. Fast forward over 10 years, and we can see that these studies have largely been proved false. For a start, the 100m World Record for men is now 9.58 seconds, faster than was projected to be possible. Secondly, women are not catching men up in performance; if anything men are moving further away. Read more