Top three swim times by age group at Ironman 70.3 World Championships 2013.
There have been some great swim times but no male age grouper has snuck in under the pro men like Cain Eckstein did at the Ironman World Champs in 2012.
| M18-24 | ||
| Schneider, Robin | DEU | 0:25:40 |
| Capparell, James | USA | 0:26:09 |
| De Grooff, David | BEL | 0:27:21 |
| M25-29 | ||
| Brown, Thomas | USA | 0:25:24 |
| Livolsi Jr, Timothy | USA | 0:26:00 |
| James, Ricky | USA | 0:50:24 |
| M30-34 | ||
| Sousa, Rafael | BRA | 0:25:18 |
| Fuentes, Jorge | MEX | 0:26:13 |
| Martinez, Carlos | COL | 0:26:45 |
| M35-39 | ||
| Isaac, Brett | AUS | 0:26:42 |
| Hart, Lee | CAN | 0:26:48 |
| Du Preez, Anthony | GBR | 0:27:52 |
| M40-49 | ||
| Patak, Pavel | CZE | 0:25:43 |
| Fritz, Kirk | USA | 0:27:50 |
| Anderson, Thomas | USA | 0:28:24 |
| M45-49 | ||
| Gennari, Bruce | USA | 0:26:12 |
| Golden, Tom | USA | 0:26:51 |
| Bonsell, Shawn | USA | 0:26:53 |
| M50-54 | ||
| Newman, Mark | USA | 0:28:08 |
| Dominique, Benassi | FRA | 0:42:20 |
| Sweeney, Terry | USA | 0:28:49 |
| M55-59 | ||
| Vargas, Chris | USA | 0:29:58 |
| Walker, Randal | CAN | 0:30:32 |
| Adlerz, Clifford | USA | 0:30:36 |
| M60-64 | ||
| Ruth, Bill | USA | 0:30:54 |
| Hanley, Philip | AUS | 0:36:42 |
| Ritchie, Donn | USA | 0:37:03 |
| M65-69 | ||
| Loeb, Andrew | USA | 0:35:54 |
| Soroka, James | USA | 0:36:43 |
| Valdes, Ruben | MEX | 0:36:45 |
| M70-74 | ||
| Rotondaro, Fidel | VEN | 0:39:11 |
| Ruiz, Rene | CHL | 0:42:52 |
| Schmidt, Siegfried | DEU | 0:45:36 |
| M75-79 | ||
| Barfoot, Garth | NZL | 0:59:07 |
| Mehl, Wayne | USA | 1:04:05 |
| M80+ | ||
| Scott, Bob | USA | 1:07:22 |
| Hollander, Lew | USA | 1:33:25 |
