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 | 1,906 | 9:03:42 | 9:43:39 | 10:02:55 | 10:33:01 | 11:41:40 | 8:05:15 |
| MPRO | 14 | 8:05:15 | 8:05:15 | 8:10:22 | 8:14:43 | 8:33:06 | 8:05:15 |
| M18-24 | 40 | 9:02:31 | 9:29:41 | 9:45:10 | 10:22:14 | 11:35:49 | 9:02:31 |
| M25-29 | 123 | 9:13:14 | 9:36:35 | 9:46:19 | 10:06:13 | 11:15:17 | 9:03:19 |
| M30-34 | 294 | 9:07:51 | 9:31:09 | 9:44:12 | 10:17:49 | 11:17:50 | 8:52:40 |
| M35-39 | 389 | 9:07:58 | 9:42:40 | 9:57:34 | 10:23:22 | 11:22:48 | 8:39:55 |
| M40-44 | 476 | 9:23:35 | 9:50:24 | 10:09:53 | 10:36:52 | 11:44:01 | 8:55:19 |
| M45-49 | 336 | 9:39:00 | 10:02:17 | 10:23:11 | 10:48:54 | 11:54:32 | 9:22:44 |
| M50-54 | 171 | 10:16:17 | 10:38:08 | 10:50:11 | 11:18:16 | 12:24:18 | 10:05:33 |
| M55-59 | 44 | 10:39:03 | 10:49:01 | 11:08:48 | 11:54:22 | 13:01:04 | 10:39:03 |
| M60-64 | 17 | 10:58:42 | 10:58:42 | 11:20:51 | 11:42:54 | 12:36:07 | 10:58:42 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 212 | 9:10:21 | 9:51:10 | 10:41:00 | 11:12:56 | 12:27:24 | 9:04:27 |
| FPRO | 11 | 9:04:27 | 9:04:27 | 9:06:42 | 9:10:21 | 9:36:12 | 9:04:27 |
| F25-29 | 19 | 10:16:15 | 10:16:15 | 10:25:00 | 10:49:52 | 12:18:43 | 10:16:15 |
| F30-34 | 54 | 9:23:10 | 9:53:28 | 10:42:39 | 11:13:56 | 12:36:49 | 9:23:10 |
| F35-39 | 41 | 9:59:51 | 10:39:53 | 10:46:31 | 11:03:15 | 12:07:42 | 9:59:51 |
| F40-44 | 36 | 10:17:41 | 11:11:53 | 11:25:01 | 11:43:35 | 12:30:13 | 10:17:41 |
| F45-49 | 31 | 10:27:55 | 10:56:41 | 11:24:08 | 11:59:07 | 13:00:07 | 10:27:55 |
| F50-54 | 11 | 10:53:55 | 10:53:55 | 11:52:23 | 12:03:34 | 12:55:18 | 10:53:55 |
| F55-59 | 5 | 12:20:13 | 12:20:13 | 12:20:13 | 12:20:13 | 13:20:49 | 12:20:13 |
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.