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 | 2,287 | 8:07:25 | 9:03:13 | 9:19:58 | 9:46:03 | 10:49:59 | 7:35:53 |
| MPRO | 42 | 7:35:53 | 7:46:00 | 7:47:22 | 7:53:37 | 8:05:04 | 7:35:53 |
| M18-24 | 57 | 8:34:15 | 8:50:56 | 9:04:16 | 9:16:06 | 9:41:52 | 8:34:15 |
| M25-29 | 119 | 8:40:36 | 8:51:06 | 8:59:01 | 9:17:01 | 9:54:37 | 8:34:39 |
| M30-34 | 204 | 8:35:15 | 8:53:28 | 9:03:26 | 9:16:18 | 9:43:03 | 8:27:01 |
| M35-39 | 249 | 8:36:17 | 8:49:13 | 9:03:45 | 9:18:04 | 9:50:57 | 8:30:10 |
| M40-44 | 303 | 8:52:20 | 9:12:13 | 9:27:11 | 9:42:25 | 10:12:07 | 8:46:09 |
| M45-49 | 331 | 9:02:13 | 9:22:54 | 9:45:49 | 10:02:10 | 10:47:14 | 8:34:56 |
| M50-54 | 409 | 9:19:58 | 9:48:02 | 10:04:43 | 10:26:36 | 11:31:46 | 8:58:35 |
| M55-59 | 275 | 9:45:53 | 10:09:34 | 10:38:03 | 11:01:48 | 12:02:18 | 9:30:25 |
| M60-64 | 159 | 10:10:50 | 10:33:23 | 10:48:57 | 11:18:08 | 13:03:07 | 9:53:16 |
| M65-69 | 77 | 10:33:11 | 11:06:17 | 11:18:29 | 11:57:40 | 13:16:59 | 10:33:11 |
| M70-74 | 37 | 12:27:19 | 12:35:24 | 13:36:41 | 13:56:11 | 15:09:21 | 12:27:19 |
| MHC | 5 | 12:15:11 | 12:15:11 | 12:15:11 | 12:15:11 | 13:31:19 | 12:15:11 |
| MPC/ID | 12 | 11:12:40 | 11:12:40 | 12:44:36 | 13:15:37 | 14:08:04 | 11:12:40 |
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.