Women’s improvements were significantly higher for shorter distances as well as for the marathon. The gain for a world record 100 m sprint was 8.1% for men and 22.9% for women, with the respective increases of 9.7% and 25.7% for 400 m, 12.4% and 10.3% for 1,500 m, 15.1% and 8.5% for 10 km, and 21.5% and 38.6% for the marathon.
