World IRC Records
| Event |
Name |
Club/City/School |
Time |
Year |
| Men |
| 13-18 | Karsten Brodowski | GER | 5:52.7 | 2003 |
| 13-18 Lwt | Henrik Stephansen | DNK | 6:06.6 | 2007 |
| 19-29 | Rob Waddell | NZL | 5:39.5 | 1998 |
| 19-29 Lwt | Henrik Stephansen | DNK | 6:02.2 | 2008 |
| 30-39 | Klaus Geiger | FIN | 5:51.6 | 1998 |
| 30-39 Lwt | Peter Ording | GER | 6:14.1 | 2008 |
| 40-49 | Ralph Eckhart | GER | 5:57.8 | 2008 |
| 40-49 Lwt | Michael Caviston | USA | 6:18.2 | 2003 |
| 50-54 | Andy Ripley | Great Britain | 6:07.7 | 1998 |
| 50-54 Lwt | Graham Watt | NZL | 6:28.7 | 2005 |
| 55-59 | Raimund Schuster | GER | 6:20.9 | 2008 |
| 55-59 Lwt | Dennis Hastings | USA | 6:41.8 | 2006 |
| 60-64 | Paul Hendershott | USA | 6:28.0 | 2005 |
| 60-64 Lwt | Roger Prowse | Great Britain | 6:49.5 | 2005 |
| 65-69 | Christian Sommer | GER | 6:46.9 | 2008 |
| 65-69 Lwt | Philip Stubley | Great Britain | 7:11.8 | 2005 |
| 70-74 | Steve Rounds | USA | 7:04.2 | 1999 |
| 70-74 Lwt | Geoffrey Knight | Great Britain | 7:13.4 | 2005 |
| 75-79 | Alex Wilson | CAN | 7:22.6 | 2007 |
| 75-79 Lwt | Dean Smith | USA | 7:28.5 | 2005 |
| 80-84 | Frederik Osborne | USA | 7:57.2 | 2007 |
| 80-84 Lwt | Walter Wagner | GER | 7:42.0 | 2008 |
| 85-89 | Stephen Richardson | | 9:52.8 | 2008 |
| 90-94 | John Hodgson | Great Britain | 9:25.8 | 2002 |
| 90-94 Lwt | John Hodgson | Great Britain | 9:25.9 | 2002 |
| Women |
| 13-18 | Frances Houghton | Great Britain | 6:46.6 | 1999 |
| 13-18 Lwt | Johanne Thomsen | DNK | 7:07.7 | 2000 |
| 19-29 | Georgina Evers-Swindell | NZL | 6:30.8 | 2002 |
| 19-29 Lwt | Lisa Schlenker | USA | 6:56.7 | 2000 |
| 30-39 | Carol Skricki | USA | 6:42.0 | 2001 |
| 30-39 Lwt | Shannon Woods | USA | 7:05.9 | 1997 |
| 40-49 | Carol Skricki | USA | 6:48.2 | 2003 |
| 40-49 Lwt | Helen Mangan | Great Britain | 7:12.7 | 2001 |
| 50-54 | Anna Bailey | Great Britain | 7:14.7 | 2003 |
| 50-54 Lwt | Joan Van Blom | USA | 7:24.5 | 2006 |
| 55-59 | Susan Hooten | | 7:23.7 | 2008 |
| 55-59 Lwt | Joan Van Blom | USA | 7:33.5 | 2008 |
| 60-64 | Merete Boldt | DNK | 7:37.3 | 2008 |
| 60-64 Lwt | Jan Kaman | USA | 8:14.7 | 2000 |
| 65-69 | Anne Cresswell | AUS | 8:11.3 | 2008 |
| 65-69 Lwt | Luanne Mills | USA | 8:07.4 | 2005 |
| 70-74 | Renée Camu | FRA | 8:26.7 | 2007 |
| 70-74 Lwt | Laurette Rindlaub | USA | 8:43.4 | 2008 |
| 75-79 | Janet Kennedy | USA | 9:03.7 | 2007 |
| 75-79 Lwt | Mavis Surridge | Great Britain | 9:24.3 | 2005 |
| 80-84 | Ruth Doell | USA | 8:54.8 | 2008 |
| 80-84 Lwt | Ernestine Bayer | USA | 11:14.0 | 1996 |
| 90-94 | Ernestine Bayer | USA | 12:07.5 | 2001 |
| 90-94 Lwt | Ernestine Bayer | USA | 12:07.5 | 2001 |
