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 | 475 | 4:47:20 | 5:13:52 | 5:31:56 | 6:02:13 | 6:57:47 | 4:27:28 |
| M18-24 | 6 | 5:56:14 | 5:56:14 | 5:56:14 | 6:05:02 | 6:11:57 | 5:56:14 |
| M25-29 | 21 | 4:45:51 | 5:02:32 | 5:20:16 | 5:26:49 | 6:43:09 | 4:45:51 |
| M30-34 | 39 | 4:55:48 | 5:13:50 | 5:36:56 | 5:47:54 | 6:49:18 | 4:55:48 |
| M35-39 | 80 | 4:46:22 | 5:04:40 | 5:15:36 | 5:37:06 | 6:48:54 | 4:46:22 |
| M40-44 | 116 | 4:47:20 | 5:05:37 | 5:23:29 | 5:49:13 | 6:52:44 | 4:29:31 |
| M45-49 | 102 | 5:09:57 | 5:26:02 | 6:02:34 | 6:20:23 | 7:00:40 | 5:09:33 |
| M50-54 | 65 | 5:10:32 | 5:31:56 | 5:44:33 | 6:04:00 | 7:05:34 | 5:10:32 |
| M55-59 | 28 | 5:26:16 | 5:30:06 | 6:14:57 | 6:39:38 | 7:09:07 | 5:26:16 |
| M60-64 | 13 | 5:27:46 | 5:27:46 | 5:48:05 | 6:14:41 | 7:01:17 | 5:27:46 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 52 | 4:47:59 | 5:27:06 | 5:46:23 | 6:08:49 | 6:45:05 | 4:47:59 |
| F25-29 | 6 | 5:04:13 | 5:04:13 | 5:04:13 | 6:08:49 | 6:23:05 | 5:04:13 |
| F30-34 | 9 | 5:52:58 | 5:52:58 | 5:52:58 | 6:09:07 | 7:01:52 | 5:52:58 |
| F35-39 | 11 | 5:30:43 | 5:30:43 | 6:08:00 | 6:12:31 | 6:30:07 | 5:30:43 |
| F40-44 | 11 | 5:27:06 | 5:27:06 | 5:46:23 | 5:54:24 | 6:38:47 | 5:27:06 |
| F45-49 | 6 | 6:41:53 | 6:41:53 | 6:41:53 | 6:48:17 | 6:48:33 | 6:41:53 |
| F50-54 | 5 | 5:28:48 | 5:28:48 | 5:28:48 | 5:28:48 | 7:10:04 | 5:28:48 |
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.