7:49:16 and 8:34:59. That were the finish times of the fastest man – Kristian Blummenfelt – and woman – Daniela Ryf – at the Ironman World Championship in St. George. But how did the fastest Age Groupers do? Let’s have a look at the results of the Age-Group Ironman World Champions: how fast did they swim bike and run? You find a full overview below.
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| Men | Name | Finish | Swim | Bike | Run |
| Overall | Matt Kerr (NZL) | 8:40:22 | 52:22 | 4:43:03 | 2:57:57 |
| M18-24 | Jameson Plewes (CAN) | 9:24:18 | 54:57 | 5:09:17 | 3:12:48 |
| M25-29 | Justin Riele (USA) | 9:08:35 | 52:17 | 4:44:53 | 3:24:24 |
| M30-34 | Matt Kerr (NZL) | 8:40:22 | 52:22 | 4:43:03 | 2:57:57 |
| M35-39 | Eric Engel (USA) | 8:49:11 | 55:37 | 4:46:40 | 3:01:49 |
| M40-44 | Christian Storzer (GER) | 8:40:45 | 57:23 | 4:37:29 | 3:00:34 |
| M45-49 | Brice Williams (USA) | 9:17:57 | 54:50 | 5:02:14 | 3:13:55 |
| M50-54 | Olaf Kasten (GER) | 9:36:48 | 59:25 | 5:09:24 | 3:20:46 |
| M55-59 | Kevin Cutjar (AUS) | 10:23:11 | 1:07:51 | 5:39:44 | 3:27:48 |
| M60-64 | Steven Galat (USA) | 10:36:16 | 1:05:18 | 5:44:05 | 3:35:22 |
| M65-69 | Martin Gannon (GBR) | 11:09:42 | 1:15:30 | 5:38:42 | 4:06:59 |
| M70-74 | Rick Simpson (USA) | 13:37:00 | 1:10:38 | 6:38:09 | 5:35:24 |
| M75-79 | Simon Butterworth (USA) | 15:58:18 | 1:31:43 | 7:24:39 | 6:31:13 |
| Women | Name | Finish | Swim | Bike | Run |
| Overall | Marlene de Boer (NLD) | 9:43:29 | 58:13 | 5:24:39 | 3:14:50 |
| F18-24 | Julia Iglesias (BRA) | 10:46:45 | 1:02:17 | 5:47:01 | 3:50:49 |
| F25-29 | Kyra Meulenberg (NLD) | 10:39:51 | 1:17:33 | 5:46:50 | 3:25:40 |
| F30-34 | Marlene de Boer (NLD) | 9:43:29 | 58:13 | 5:24:39 | 3:14:50 |
| F35-39 | Venessa Murray (NZL) | 10:07:01 | 56:06 | 5:34:36 | 3:27:29 |
| F40-44 | Satu Suuronen (FIN) | 10:30:53 | 1:10:15 | 5:43:10 | 3:30:56 |
| F45-49 | Constance Mochar (AUS) | 10:39:39 | 10:09:03 | 5:47:19 | 3:33:18 |
| F50-54 | Beni Gras-Thompson (USA) | 10:38:06 | 1:10:59 | 5:39:55 | 3:39:28 |
| F55-59 | Julie Dunke (USA) | 11:46:26 | 57:15 | 6:01:59 | 4:37:46 |
| F60-64 | Lynne Fiedler (USA) | 12:36:03 | 1:22:33 | 6:49:03 | 4:13:47 |
| F65-69 | Irene Gambaro (SWI) | 14:44:20 | 1:27:22 | 7:42:13 | 5:16:14 |
| F70-74 | Diane Tracy (USA) | 16:33:01 | 1:38:07 | 8:06:15 | 6:28:06 |
