Between 1983 and 1997 (aged 33 to 47) my times were:

1.54.15 - 3.56.18
1.32.12 - 3.43.53
1.31.21 - 3.41.22
1.31.10 - 3.33.05
1.27.20 - 3.27.53
1.27.53 - 3.20.11
1.24.51 - 3.17.08
1.28.35 - 3.12.57
1.21.09 - 2.58.35
1.19.39 - 2.59.17
1.21.38 - 2.57.15
1.18.43 - 2.52.14
1.22.38 - 2.54.15

Make what you will of that!