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 | 1,291 | 4:22:03 | 4:50:52 | 5:05:21 | 5:24:14 | 6:04:29 | 3:59:43 |
| MPRO | 17 | 3:59:43 | 3:59:43 | 4:02:26 | 4:09:02 | 4:21:54 | 3:59:43 |
| M18-24 | 30 | 4:27:56 | 4:35:13 | 4:38:37 | 5:25:16 | 5:45:14 | 4:27:56 |
| M25-29 | 118 | 4:17:56 | 4:36:06 | 4:50:36 | 5:14:56 | 6:06:51 | 4:09:33 |
| M30-34 | 213 | 4:33:21 | 4:47:42 | 5:03:55 | 5:20:58 | 6:04:37 | 4:22:58 |
| M35-39 | 273 | 4:31:35 | 4:52:48 | 5:05:21 | 5:18:40 | 5:52:45 | 4:24:41 |
| M40-44 | 247 | 4:42:10 | 5:00:15 | 5:07:43 | 5:26:52 | 6:00:27 | 4:25:13 |
| M45-49 | 206 | 4:55:31 | 5:08:00 | 5:19:31 | 5:42:44 | 6:08:14 | 4:52:29 |
| M50-54 | 108 | 4:46:21 | 4:58:50 | 5:13:34 | 5:37:14 | 6:20:18 | 4:35:35 |
| M55-59 | 59 | 4:51:42 | 5:16:27 | 5:24:32 | 5:53:51 | 6:47:48 | 4:51:42 |
| M60-64 | 11 | 5:39:30 | 5:39:30 | 6:05:17 | 6:29:20 | 7:09:22 | 5:39:30 |
| M65-69 | 6 | 5:32:37 | 5:32:37 | 5:32:37 | 6:33:50 | 6:38:53 | 5:32:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 342 | 4:30:28 | 5:13:47 | 5:31:02 | 5:55:05 | 6:34:37 | 4:19:57 |
| FPRO | 11 | 4:19:57 | 4:19:57 | 4:22:34 | 4:27:04 | 4:39:12 | 4:19:57 |
| F18-24 | 13 | 5:14:23 | 5:14:23 | 5:21:29 | 5:28:08 | 6:23:14 | 5:14:23 |
| F25-29 | 43 | 4:49:10 | 5:15:11 | 5:21:36 | 5:32:38 | 6:22:45 | 4:49:10 |
| F30-34 | 61 | 5:17:42 | 5:37:18 | 5:47:06 | 5:58:45 | 6:37:49 | 5:17:42 |
| F35-39 | 57 | 4:57:54 | 5:10:20 | 5:32:02 | 5:57:37 | 6:29:52 | 4:57:54 |
| F40-44 | 62 | 4:45:29 | 5:35:00 | 5:43:02 | 5:57:27 | 6:50:55 | 4:45:29 |
| F45-49 | 45 | 5:26:06 | 5:32:34 | 5:38:57 | 5:56:51 | 6:33:31 | 5:26:06 |
| F50-54 | 31 | 5:13:47 | 5:22:14 | 5:51:27 | 6:02:27 | 6:55:46 | 5:13:47 |
| F55-59 | 13 | 6:17:33 | 6:17:33 | 6:27:36 | 6:28:16 | 7:21:31 | 6:17:33 |
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.