| Age | Name | Time | Year | Meet |
| 13-14 | Jason Stroud | 1:27.1 | 2007 | NZ Shortcourse |
| 15-16 | Carl Finlay | 1:22.7 | 2004 | National Championships |
| 17-18 | Michael Cullum | 1:21.4 | 2006 | World Shortcourse Championship |
| 19-26 | George Bridgewater | 1:18.7 | 2002 | National Championships |
| 19-26 | Mahe Drysdale | 1:18.7 | 2002 | National Championships |
| 27-35 | Mahe Drysdale | 1:18.4 | 2007 | NZ Shortcourse |
| 36-42 | Warren Mant | 1:18.7 | 2007 | New Zealand Masters Games |
| 43-49 | John Baldwin | 1:22.8 | 2003 | NZ Masters Games |
| 50-54 | Peter Jansen | 1:22.1 | 2002 | Northland Open |
| 55-59 | Gordon Trevett | 1:24.4 | 2001 | Northland Open |
| 60-64 | Gordon Trevett | 1:24.9 | 2003 | North Island Inter-Gym |
| 65-69 | Gordon Fletcher | 1:28.9 | 2004 | National Championships |
| 70-74 | Gordon Fletcher | 1:36.1 | 2010 | NZ Masters Games Dunedin |
| 75-79 | Marinus Boon | 1:35.7 | 2006 | New Zealand Masters Games |
| 80-84 | Alex Fergus Snr. | 1:58.1 | 2005 | National Championships |
| 85-89 | Frank Cox | 2:28.6 | 1997 | NZ Masters Games |
| 90-94 | Frank Cox | 2:37.2 | 2003 | NZ Masters Games |
| 95-99 | Standard Open | | 2003 |
| 100+ | Standard Open | | 2003 |
| |
| Lightweight |
| Age | Name | Time | Year | Meet |
| 13-14 | Axel Dickinson | 1:31.7 | 2005 | Northland Record Breakers |
| 13-14 | Levi Roache | 1:31.7 | 2005 | NZ Secondary Schools |
| 15-16 | Axel Dickinson | 1:28.1 | 2005 | Kerikeri Record Breakers |
| 17-18 | Alex Fergus | 1:27.8 | 2005 | NZ Secondary Schools |
| 19-26 | Alex Fergus | 1:26.6 | 2006 | World Shortcourse Championship |
| 27-35 | Garth Macleod | 1:28.8 | 2001 | National Championships |
| 36-42 | Warrick Richards | 1:25.0 | 2006 | World Shortcourse Championship |
| 43-49 | Graham Watt | 1:26.7 | 2003 | National Championships |
| 50-54 | Graham Watt | 1:26.6 | 2004 | National Championships |
| 55-59 | Dave Ratcliffe | 1:28.8 | 2005 | National Championships |
| 60-64 | Francis Moxey | 1:34.9 | 2006 | Upper N.I. Championships |
| 65-69 | Bob Meredith | 1:35.9 | 2002 | National Championships |
| 70-74 | Ron Mackie | 1:41.7 | 2005 | S.I. Masters Games |
| 75-79 | Ron Mackie | 1:45.8 | 2010 | NZ Masters Games Dunedin |
| 80-84 | Standard | 2:00.0 | 2003 |
| 85-89 | Cliff Taylor | 2:01.3 | 2010 | NZ Masters Games Dunedin |
| 90-94 | Frank Cox | 2:35.9 | 2002 | National Championships |
| 95-99 | Standard Open | | 2003 |
| 100+ | Standard Open | | 2003 |