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 | 2,491 | 9:53:01 | 10:47:47 | 11:26:53 | 12:13:02 | 13:34:59 | 9:20:20 |
| M18-24 | 92 | 10:20:02 | 10:53:51 | 11:32:09 | 11:48:11 | 12:52:44 | 10:20:02 |
| M25-29 | 250 | 9:44:33 | 10:18:56 | 10:45:43 | 11:28:27 | 12:57:57 | 9:22:43 |
| M30-34 | 328 | 9:32:14 | 10:34:05 | 11:12:59 | 12:00:30 | 13:18:33 | 9:23:35 |
| M35-39 | 306 | 9:50:13 | 10:33:28 | 11:13:33 | 11:53:14 | 13:07:57 | 9:49:06 |
| M40-44 | 412 | 9:53:01 | 10:24:24 | 11:08:20 | 11:57:14 | 13:09:01 | 9:32:33 |
| M45-49 | 351 | 10:06:16 | 11:10:00 | 11:41:02 | 12:33:24 | 13:54:41 | 9:20:20 |
| M50-54 | 398 | 10:45:20 | 11:29:49 | 12:09:31 | 12:40:31 | 13:48:29 | 10:31:59 |
| M55-59 | 202 | 10:42:24 | 11:10:01 | 11:50:19 | 12:43:10 | 14:02:17 | 10:26:35 |
| M60-64 | 108 | 10:53:47 | 12:04:05 | 12:09:03 | 12:52:40 | 13:59:52 | 10:53:47 |
| M65-69 | 28 | 11:47:16 | 11:47:16 | 12:48:13 | 12:51:07 | 14:06:20 | 11:47:16 |
| M70-74 | 14 | 14:06:00 | 14:06:00 | 14:06:00 | 14:27:50 | 15:00:11 | 14:06:00 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 1,005 | 10:49:47 | 11:50:17 | 12:07:14 | 12:42:42 | 14:21:17 | 10:16:54 |
| F18-24 | 26 | 11:48:13 | 11:48:13 | 11:54:18 | 12:44:41 | 14:20:52 | 11:48:13 |
| F25-29 | 80 | 10:42:50 | 11:06:53 | 11:58:46 | 12:12:24 | 13:28:21 | 10:42:50 |
| F30-34 | 150 | 10:16:54 | 10:55:06 | 11:53:17 | 12:24:31 | 13:47:35 | 10:16:54 |
| F35-39 | 144 | 10:46:56 | 11:25:24 | 12:04:30 | 12:26:07 | 13:36:44 | 10:46:56 |
| F40-44 | 206 | 11:28:45 | 11:59:30 | 12:33:11 | 13:12:58 | 14:26:11 | 10:49:47 |
| F45-49 | 156 | 10:58:24 | 11:34:00 | 11:51:18 | 12:28:53 | 14:20:14 | 10:58:24 |
| F50-54 | 138 | 11:50:17 | 12:34:03 | 12:52:10 | 13:45:55 | 14:53:31 | 11:50:17 |
| F55-59 | 59 | 11:58:28 | 12:14:21 | 12:42:54 | 13:09:56 | 14:46:50 | 11:58:28 |
| F60-64 | 34 | 12:00:03 | 12:00:03 | 12:00:32 | 13:51:18 | 15:30:42 | 12:00:03 |
| F65-69 | 10 | 14:13:08 | 14:13:08 | 14:13:08 | 14:13:08 | 15:46:16 | 14:13:08 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.