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 | 273 | 8:05:13 | 8:26:34 | 8:54:25 | 9:29:58 | 10:46:10 | 7:47:55 |
| M18-24 | 6 | 9:53:07 | 9:53:07 | 9:53:07 | 11:54:51 | 12:03:33 | 9:53:07 |
| M25-29 | 20 | 8:22:14 | 8:22:14 | 9:10:06 | 9:58:30 | 11:05:47 | 8:22:14 |
| M30-34 | 45 | 7:47:55 | 8:08:16 | 8:23:32 | 8:59:59 | 10:31:58 | 7:47:55 |
| M35-39 | 52 | 8:04:05 | 8:16:38 | 8:50:59 | 9:31:52 | 10:46:14 | 8:04:05 |
| M40-44 | 59 | 8:15:03 | 8:37:45 | 8:59:39 | 9:28:38 | 10:44:33 | 8:15:03 |
| M45-49 | 45 | 8:10:30 | 8:50:26 | 8:53:39 | 9:17:17 | 10:26:40 | 8:10:30 |
| M50-54 | 21 | 8:26:34 | 8:40:43 | 9:24:20 | 10:15:27 | 10:46:49 | 8:26:34 |
| M55-59 | 14 | 8:54:25 | 8:54:25 | 9:35:23 | 9:38:52 | 10:52:04 | 8:54:25 |
| M60-64 | 5 | 10:14:21 | 10:14:21 | 10:14:21 | 10:14:21 | 10:44:17 | 10:14:21 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 29 | 9:17:54 | 9:48:26 | 10:02:01 | 10:33:22 | 11:36:35 | 9:17:54 |
| F25-29 | 5 | 10:02:01 | 10:02:01 | 10:02:01 | 10:02:01 | 10:50:41 | 10:02:01 |
| F35-39 | 5 | 9:17:54 | 9:17:54 | 9:17:54 | 9:17:54 | 10:47:56 | 9:17:54 |
| F40-44 | 5 | 11:13:55 | 11:13:55 | 11:13:55 | 11:13:55 | 12:00:28 | 11:13:55 |
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.