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 | 1,168 | 4:19:35 | 4:49:48 | 5:02:56 | 5:15:18 | 5:48:03 | 4:02:43 |
| MPRO | 29 | 4:02:43 | 4:06:03 | 4:06:53 | 4:09:03 | 4:22:15 | 4:02:43 |
| M18-24 | 36 | 4:38:13 | 4:54:05 | 5:07:07 | 5:22:08 | 5:48:57 | 4:38:13 |
| M25-29 | 121 | 4:35:07 | 4:48:10 | 4:55:46 | 5:04:52 | 5:30:39 | 4:29:37 |
| M30-34 | 203 | 4:38:02 | 4:55:18 | 5:02:13 | 5:13:34 | 5:41:51 | 4:36:08 |
| M35-39 | 309 | 4:33:25 | 4:56:26 | 5:04:39 | 5:15:47 | 5:45:53 | 4:32:30 |
| M40-44 | 256 | 4:40:03 | 5:00:38 | 5:11:18 | 5:25:32 | 5:56:37 | 4:38:28 |
| M45-49 | 133 | 4:47:34 | 5:07:13 | 5:17:34 | 5:24:08 | 5:51:59 | 4:43:20 |
| M50-54 | 55 | 4:47:46 | 5:00:04 | 5:15:00 | 5:29:41 | 6:04:46 | 4:47:46 |
| M55-59 | 20 | 5:04:00 | 5:04:00 | 5:07:51 | 5:22:02 | 5:49:28 | 5:04:00 |
| M60-64 | 5 | 5:53:03 | 5:53:03 | 5:53:03 | 5:53:03 | 6:19:45 | 5:53:03 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 109 | 4:53:41 | 5:19:23 | 5:26:52 | 5:51:16 | 6:21:46 | 4:36:16 |
| FPRO | 5 | 4:36:16 | 4:36:16 | 4:36:16 | 4:36:16 | 4:59:13 | 4:36:16 |
| F25-29 | 17 | 5:19:23 | 5:19:23 | 5:25:56 | 5:36:33 | 6:06:21 | 5:19:23 |
| F30-34 | 18 | 5:42:31 | 5:42:31 | 5:51:16 | 5:56:20 | 6:25:28 | 5:42:31 |
| F35-39 | 24 | 5:29:50 | 5:34:06 | 5:45:07 | 5:46:08 | 6:14:36 | 5:29:50 |
| F40-44 | 22 | 5:19:25 | 5:21:53 | 5:22:09 | 5:59:16 | 6:27:20 | 5:19:25 |
| F45-49 | 12 | 6:13:25 | 6:13:25 | 6:21:02 | 6:23:25 | 6:39:27 | 6:13:25 |
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.