Here are the 5k world records by age. Seems old Dieter got the records for 37 year olds as well as a few more age records. (this is from the website
http://www.apulanta.fi/matti/yu/
):
17y 2m 6287 13:06.47 Hillary Chenonge KEN 2002-08-16
17y 9m 6484 12:58.10 Sammy Kipketer KEN 1999-06-30
18y 9m 6850 12:54.07 Sammy Kipketer KEN 2000-06-30
19y 5m 7093 12:53.72 Philip Mosima KEN 1996-06-05
20y 1m 7357 12:51.60 Daniel Komen KEN 1996-07-08
20y 3m 7394 12:45.09 Daniel Komen KEN 1996-08-14
21y 3m 7758 12:44.90 Daniel Komen KEN 1997-08-13
21y 3m 7767 12:39.74 Daniel Komen KEN 1997-08-22
25y 2m 9186 12:39.36 Haile Gebrselassie ETH 1998-06-13
32y 4m 11819 12:49.28 Brahim Lahlafi MAR 2000-08-25
32y 6m 11871 12:54.70 Dieter Baumann GER 1997-08-13
33y 2m 12120 12:58.61 John Kibowen KEN 2002-06-28
34y 7m 12626 13:02.63 Dieter Baumann GER 1999-09-07
37y 6m 13700 13:07.40 Dieter Baumann GER 2002-08-16
-Clay