How to read it: in each row, the time under "Top 10%" is the time of the slowest athlete who still made the fastest 10% of the age group. Beat that time and you are in. Age groups with fewer than 5 finishers are omitted. Finishers only.
Men
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 1,869 | 3:52:01 | 4:14:32 | 4:28:01 | 4:46:59 | 5:23:45 | 3:29:32 |
| M18-24 | 433 | 3:48:37 | 4:21:26 | 4:33:45 | 4:50:32 | 5:26:45 | 3:29:32 |
| M25-29 | 394 | 3:56:24 | 4:13:15 | 4:28:01 | 4:49:07 | 5:23:58 | 3:41:51 |
| M30-34 | 262 | 3:48:36 | 4:06:30 | 4:25:33 | 4:46:09 | 5:22:02 | 3:44:03 |
| M35-39 | 239 | 3:56:27 | 4:14:58 | 4:24:22 | 4:41:49 | 5:15:14 | 3:43:07 |
| M40-44 | 168 | 3:52:27 | 4:04:17 | 4:16:32 | 4:40:29 | 5:16:57 | 3:36:10 |
| M45-49 | 144 | 3:55:03 | 4:08:03 | 4:24:15 | 4:36:37 | 5:13:00 | 3:47:11 |
| M50-54 | 94 | 3:53:01 | 4:20:46 | 4:31:49 | 4:50:26 | 5:25:34 | 3:53:01 |
| M55-59 | 61 | 4:13:47 | 4:27:39 | 4:39:11 | 4:52:11 | 5:29:11 | 4:13:47 |
| M60-64 | 39 | 4:21:46 | 4:34:15 | 4:43:53 | 5:05:38 | 5:38:51 | 4:21:46 |
| M65-69 | 27 | 4:19:42 | 4:33:21 | 4:51:01 | 5:06:00 | 5:39:04 | 4:19:42 |
| M70-74 | 6 | 4:52:18 | 4:52:18 | 4:52:18 | 5:32:57 | 6:30:49 | 4:52:18 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 468 | 4:17:45 | 4:34:13 | 4:47:19 | 5:04:53 | 5:48:46 | 3:53:35 |
| F18-24 | 87 | 4:18:26 | 4:31:47 | 4:44:26 | 5:02:44 | 5:40:54 | 4:18:26 |
| F25-29 | 102 | 4:23:55 | 4:39:41 | 4:49:21 | 5:05:23 | 5:49:57 | 4:21:54 |
| F30-34 | 56 | 4:00:25 | 4:30:21 | 4:56:32 | 5:19:49 | 6:03:11 | 4:00:25 |
| F35-39 | 54 | 4:17:45 | 4:47:05 | 4:53:30 | 5:13:47 | 5:50:27 | 4:17:45 |
| F40-44 | 51 | 4:14:10 | 4:27:21 | 4:39:20 | 4:57:05 | 5:37:53 | 4:14:10 |
| F45-49 | 38 | 3:53:35 | 4:25:44 | 4:33:05 | 4:56:02 | 5:49:16 | 3:53:35 |
| F50-54 | 34 | 4:24:18 | 4:32:19 | 4:50:33 | 4:55:47 | 5:32:53 | 4:24:18 |
| F55-59 | 23 | 4:34:13 | 4:40:57 | 4:43:48 | 4:51:10 | 5:42:28 | 4:34:13 |
| F60-64 | 14 | 4:36:14 | 4:36:14 | 4:37:23 | 5:09:54 | 5:24:29 | 4:36:14 |
| F65-69 | 7 | 5:11:12 | 5:11:12 | 5:11:12 | 5:45:56 | 6:13:05 | 5:11:12 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.