As a 17 year old I got there by running an hour three times a week, maybe I just had the body for it low weight and long legs. You will be top 25% in our local 10 km competition[1]. The track is considered perfect for running in a fast pace, people compete to get a good PB.

[1] https://www.marathon.se/racetimer?v=/sv/race/resultlist/5768...

This is two minute bins that made 10km in X minutes, only those under an hour are included.

  min count   percentage
  30  9       1
  32  18      1
  34  46      3
  36  89      6
  38  182     12
  40  160     10
  42  162     10
  44  150     10
  46  159     10
  48  176     11
  50  83      5
  52  102     6
  54  111     7
  56  69      4
  58  61      4

Edit: changed bin size to remove 40 minute bias.