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 | 1,708 | 4:17:24 | 4:47:13 | 4:57:57 | 5:12:16 | 5:43:44 | 3:55:03 |
| MPRO | 29 | 3:55:03 | 3:55:54 | 3:56:39 | 3:59:36 | 4:12:52 | 3:55:03 |
| M18-24 | 65 | 4:32:25 | 4:48:35 | 4:52:53 | 5:00:38 | 5:44:50 | 4:32:25 |
| M25-29 | 180 | 4:31:06 | 4:38:16 | 4:46:39 | 4:59:43 | 5:30:08 | 4:17:33 |
| M30-34 | 329 | 4:36:25 | 4:46:39 | 4:56:52 | 5:08:14 | 5:33:22 | 4:17:24 |
| M35-39 | 292 | 4:40:18 | 4:52:26 | 5:00:14 | 5:11:07 | 5:42:28 | 4:33:03 |
| M40-44 | 289 | 4:38:39 | 4:52:49 | 5:00:49 | 5:12:20 | 5:41:26 | 4:34:09 |
| M45-49 | 238 | 4:49:24 | 5:00:27 | 5:07:32 | 5:23:18 | 5:49:46 | 4:37:50 |
| M50-54 | 164 | 4:53:36 | 5:13:49 | 5:21:07 | 5:36:42 | 6:01:49 | 4:43:14 |
| M55-59 | 98 | 4:53:31 | 5:05:27 | 5:20:07 | 5:33:53 | 6:03:52 | 4:53:31 |
| M60-64 | 15 | 5:42:50 | 5:42:50 | 5:43:50 | 5:44:26 | 6:29:51 | 5:42:50 |
| M65-69 | 9 | 6:06:36 | 6:06:36 | 6:06:36 | 6:08:54 | 6:53:08 | 6:06:36 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 366 | 4:34:48 | 5:05:35 | 5:21:46 | 5:41:48 | 6:12:01 | 4:23:51 |
| FPRO | 13 | 4:23:51 | 4:23:51 | 4:27:40 | 4:31:15 | 4:47:12 | 4:23:51 |
| F18-24 | 26 | 5:06:53 | 5:07:15 | 5:12:25 | 5:21:20 | 6:01:34 | 5:06:53 |
| F25-29 | 58 | 4:54:30 | 5:06:27 | 5:17:22 | 5:30:27 | 6:09:21 | 4:54:30 |
| F30-34 | 67 | 4:48:04 | 5:30:26 | 5:35:01 | 5:51:17 | 6:13:36 | 4:48:04 |
| F35-39 | 56 | 4:56:03 | 5:17:59 | 5:30:20 | 5:40:31 | 6:09:45 | 4:56:03 |
| F40-44 | 49 | 5:02:55 | 5:26:38 | 5:35:51 | 5:45:38 | 6:17:31 | 5:02:55 |
| F45-49 | 55 | 4:51:12 | 5:30:38 | 5:47:33 | 5:54:39 | 6:22:55 | 4:51:12 |
| F50-54 | 31 | 5:42:51 | 5:50:20 | 5:58:09 | 6:02:54 | 6:38:53 | 5:42:51 |
| F55-59 | 8 | 5:43:52 | 5:43:52 | 5:43:52 | 6:09:17 | 6:49:01 | 5:43:52 |
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.