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 | 3,157 | 4:04:30 | 4:38:24 | 4:50:21 | 5:05:02 | 5:35:45 | 3:50:51 |
| MPRO | 52 | 3:50:51 | 3:52:40 | 3:54:23 | 3:56:04 | 4:03:22 | 3:50:51 |
| M18-24 | 172 | 4:17:21 | 4:28:00 | 4:36:50 | 4:45:17 | 5:10:18 | 4:16:22 |
| M25-29 | 231 | 4:21:05 | 4:31:17 | 4:35:01 | 4:45:05 | 5:10:44 | 4:15:24 |
| M30-34 | 324 | 4:20:16 | 4:31:50 | 4:38:06 | 4:48:37 | 5:13:57 | 4:15:59 |
| M35-39 | 415 | 4:32:54 | 4:40:40 | 4:45:58 | 4:58:12 | 5:20:39 | 4:25:19 |
| M40-44 | 470 | 4:35:33 | 4:49:40 | 4:55:45 | 5:04:49 | 5:25:52 | 4:28:34 |
| M45-49 | 439 | 4:43:34 | 4:57:07 | 5:04:14 | 5:17:28 | 5:43:23 | 4:29:48 |
| M50-54 | 359 | 4:50:21 | 4:59:58 | 5:12:07 | 5:27:29 | 5:52:53 | 4:38:57 |
| M55-59 | 300 | 4:56:17 | 5:11:11 | 5:20:15 | 5:32:18 | 5:58:12 | 4:54:10 |
| M60-64 | 194 | 5:08:19 | 5:26:22 | 5:36:15 | 5:51:43 | 6:16:35 | 4:57:02 |
| M65-69 | 127 | 5:42:49 | 5:48:19 | 6:00:49 | 6:14:45 | 6:49:32 | 5:23:01 |
| M70-74 | 54 | 5:47:58 | 5:58:58 | 6:01:49 | 6:16:28 | 7:22:51 | 5:47:58 |
| M75-79 | 17 | 6:46:05 | 6:46:05 | 7:20:17 | 7:29:21 | 8:05:49 | 6:46:05 |
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.