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 | 1,472 | 4:13:23 | 4:36:34 | 4:48:39 | 5:02:48 | 5:37:50 | 3:50:51 |
| MPRO | 16 | 3:50:51 | 3:50:51 | 3:53:32 | 3:57:35 | 4:05:17 | 3:50:51 |
| M18-24 | 25 | 4:17:02 | 4:30:25 | 4:31:01 | 4:34:56 | 5:04:49 | 4:17:02 |
| M25-29 | 163 | 4:11:42 | 4:31:44 | 4:37:08 | 4:56:26 | 5:30:45 | 4:10:53 |
| M30-34 | 223 | 4:20:33 | 4:36:59 | 4:49:46 | 4:55:53 | 5:33:57 | 4:17:51 |
| M35-39 | 281 | 4:19:56 | 4:36:40 | 4:43:25 | 4:57:40 | 5:29:04 | 4:06:36 |
| M40-44 | 330 | 4:26:02 | 4:42:59 | 4:50:55 | 5:05:49 | 5:37:32 | 4:22:25 |
| M45-49 | 208 | 4:37:04 | 4:47:41 | 4:56:55 | 5:09:36 | 5:42:03 | 4:32:05 |
| M50-54 | 134 | 4:42:31 | 4:52:09 | 5:03:28 | 5:19:34 | 5:55:08 | 4:42:15 |
| M55-59 | 43 | 4:56:53 | 5:03:46 | 5:10:55 | 5:17:36 | 5:53:15 | 4:56:53 |
| M60-64 | 32 | 5:14:55 | 5:17:14 | 5:23:26 | 5:32:35 | 6:08:53 | 5:14:55 |
| M65-69 | 5 | 5:50:37 | 5:50:37 | 5:50:37 | 5:50:37 | 6:39:23 | 5:50:37 |
| M70-74 | 6 | 5:37:36 | 5:37:36 | 5:37:36 | 6:08:00 | 6:13:24 | 5:37:36 |
| MUNKNOWN | 5 | 4:13:23 | 4:13:23 | 4:13:23 | 4:13:23 | 6:14:57 | 4:13:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 672 | 4:35:55 | 5:06:29 | 5:20:42 | 5:33:10 | 6:10:16 | 4:10:11 |
| FPRO | 14 | 4:10:11 | 4:10:11 | 4:24:59 | 4:26:08 | 4:35:55 | 4:10:11 |
| F18-24 | 21 | 4:44:26 | 5:07:34 | 5:13:06 | 5:29:09 | 6:07:40 | 4:44:26 |
| F25-29 | 106 | 4:52:45 | 5:13:11 | 5:22:43 | 5:32:54 | 6:10:54 | 4:51:22 |
| F30-34 | 130 | 4:43:54 | 5:01:17 | 5:11:27 | 5:25:47 | 5:56:30 | 4:39:23 |
| F35-39 | 143 | 5:06:29 | 5:23:07 | 5:29:45 | 5:46:19 | 6:21:39 | 4:48:36 |
| F40-44 | 116 | 4:59:24 | 5:10:45 | 5:23:26 | 5:34:53 | 6:09:03 | 4:57:10 |
| F45-49 | 86 | 4:47:49 | 5:16:44 | 5:24:01 | 5:35:06 | 6:06:54 | 4:47:49 |
| F50-54 | 32 | 5:26:27 | 5:51:02 | 5:56:12 | 6:05:51 | 6:37:43 | 5:26:27 |
| F55-59 | 16 | 5:41:02 | 5:41:02 | 5:53:29 | 6:16:31 | 6:50:36 | 5:41:02 |
| F60-64 | 5 | 5:59:13 | 5:59:13 | 5:59:13 | 5:59:13 | 6:35:40 | 5:59:13 |
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.