A recent thread compared selected 5k times at various ages. Below I have done the best I could to put together top 5 lists all time. Corrections and additions are more than welcome
Here is what I could dig up regarding top US 5k performers by age up to 24 years old.
What are listed here are top 5 performers all time under a certain age. So for Under 25 someone may be listed who had a top performance as a 22 year old, etc.
Oh, and before I forget - So and so is better than such and such. You fanboy! Yawn, the Kenyans are better. This guy is not a real American...
Under 25
Bob Kennedy - 13:03
Matt Tegenkamp - 13:05
Galen Rupp - 13:07
Alan Webb - 13:11
Chris Solinsky - 13:12
Under 24
Bob Kennedy - 13:03
Alan Webb - 13:11
Chris Solinsky - 13:12
Ian Dobson - 13:15
Ryan Hall - 13:16
Under 23
Alan Webb - 13:11
Chris Solinsky - 13:12
Bob Kennedy - 13:15
Ryan Hall - 13:16
Galen Rupp - 13:18
Under 22
Josh McDougal - 13:20
Bob Kennedy - 13:22
Evan Jager - 13:22
German Fernandez - 13:25
Jorge Torres - 13:26
Under 21
Bob Kennedy - 13:22
Evan Jager - 13:22
German Fernandez - 13:25
Dathan Ritzenhein - 13:28
Hassan Mead - 13:28
Under 20
German Fernandez - 13:25
Dathan Ritzenhein - 13:28
Hassan Mead - 13:28
Chris Derrick - 13:30
Galen Rupp - 13:38
Under 19
German Fernandez - 13:25
Chris Derrick - 13:30
Galen Rupp - 13:38