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 | 471 | 4:01:31 | 4:33:23 | 4:46:04 | 5:04:37 | 5:38:54 | 3:52:56 |
| MPRO | 9 | 3:52:56 | 3:52:56 | 3:52:56 | 3:55:32 | 4:01:31 | 3:52:56 |
| M18-24 | 30 | 4:22:00 | 4:24:31 | 4:37:31 | 4:43:57 | 5:18:36 | 4:22:00 |
| M25-29 | 61 | 4:24:38 | 4:36:30 | 4:46:28 | 5:06:28 | 5:30:23 | 4:24:38 |
| M30-34 | 68 | 4:19:22 | 4:37:08 | 4:47:33 | 5:07:43 | 5:38:59 | 4:19:22 |
| M35-39 | 56 | 4:24:45 | 4:29:48 | 4:43:47 | 4:57:02 | 5:31:11 | 4:24:45 |
| M40-44 | 73 | 4:22:42 | 4:44:18 | 4:55:48 | 5:07:30 | 5:35:07 | 4:22:42 |
| M45-49 | 77 | 4:32:07 | 4:41:30 | 4:47:47 | 4:57:47 | 5:44:11 | 4:32:07 |
| M50-54 | 48 | 5:03:26 | 5:11:11 | 5:14:32 | 5:22:08 | 5:41:16 | 5:03:26 |
| M55-59 | 31 | 4:48:23 | 4:50:32 | 5:01:44 | 5:08:15 | 5:51:59 | 4:48:23 |
| M60-64 | 14 | 5:07:17 | 5:07:17 | 5:29:19 | 5:32:38 | 5:58:19 | 5:07:17 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 223 | 4:30:35 | 5:01:00 | 5:16:27 | 5:32:42 | 6:09:48 | 4:20:47 |
| FPRO | 5 | 4:20:47 | 4:20:47 | 4:20:47 | 4:20:47 | 4:30:35 | 4:20:47 |
| F18-24 | 18 | 5:00:00 | 5:00:00 | 5:06:58 | 5:09:42 | 5:52:22 | 5:00:00 |
| F25-29 | 31 | 4:53:24 | 4:54:59 | 5:05:17 | 5:35:36 | 5:57:54 | 4:53:24 |
| F30-34 | 30 | 5:09:34 | 5:16:27 | 5:23:09 | 5:33:51 | 6:05:24 | 5:09:34 |
| F35-39 | 34 | 4:58:56 | 4:59:44 | 5:26:42 | 5:33:51 | 6:24:52 | 4:58:56 |
| F40-44 | 37 | 5:07:38 | 5:09:13 | 5:14:08 | 5:30:40 | 6:08:05 | 5:07:38 |
| F45-49 | 30 | 4:40:04 | 5:19:21 | 5:19:56 | 5:43:28 | 6:16:14 | 4:40:04 |
| F50-54 | 29 | 5:11:45 | 5:22:37 | 5:23:07 | 5:25:53 | 6:29:35 | 5:11:45 |
| F55-59 | 5 | 5:31:08 | 5:31:08 | 5:31:08 | 5:31:08 | 6:10:29 | 5:31:08 |
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.