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 | 3,553 | 4:00:13 | 4:20:57 | 4:30:21 | 4:41:50 | 5:04:51 | 3:37:12 |
| MPRO | 36 | 3:37:12 | 3:38:01 | 3:40:51 | 3:44:42 | 3:51:46 | 3:37:12 |
| M18-24 | 136 | 3:58:54 | 4:02:51 | 4:09:04 | 4:18:43 | 4:40:18 | 3:58:30 |
| M25-29 | 353 | 4:02:29 | 4:10:40 | 4:15:13 | 4:22:50 | 4:42:50 | 4:01:21 |
| M30-34 | 476 | 4:08:16 | 4:18:30 | 4:24:29 | 4:32:58 | 4:50:27 | 4:00:17 |
| M35-39 | 510 | 4:14:03 | 4:24:58 | 4:31:37 | 4:39:17 | 4:54:44 | 4:06:09 |
| M40-44 | 527 | 4:24:51 | 4:34:21 | 4:38:42 | 4:46:28 | 5:02:24 | 4:09:25 |
| M45-49 | 495 | 4:21:21 | 4:39:11 | 4:44:40 | 4:54:21 | 5:11:01 | 4:04:32 |
| M50-54 | 426 | 4:28:55 | 4:40:35 | 4:46:52 | 4:56:47 | 5:15:46 | 4:16:01 |
| M55-59 | 310 | 4:43:00 | 4:52:56 | 4:58:54 | 5:06:03 | 5:26:52 | 4:33:03 |
| M60-64 | 157 | 4:54:03 | 5:06:37 | 5:15:20 | 5:23:43 | 5:50:06 | 4:53:52 |
| M65-69 | 77 | 5:10:37 | 5:26:54 | 5:33:52 | 5:47:52 | 6:26:07 | 5:10:37 |
| M70-74 | 35 | 5:51:58 | 5:57:53 | 6:07:49 | 6:14:46 | 7:04:24 | 5:51:58 |
| M75-79 | 9 | 6:32:39 | 6:32:39 | 6:32:39 | 6:58:29 | 8:23:39 | 6:32:39 |
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.