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 | 229 | 10:14:18 | 10:59:22 | 11:19:59 | 11:58:06 | 13:33:10 | 9:56:20 |
| M25-29 | 6 | 11:11:52 | 11:11:52 | 11:11:52 | 12:07:01 | 12:08:28 | 11:11:52 |
| M30-34 | 19 | 10:00:45 | 10:00:45 | 10:31:41 | 11:15:16 | 13:25:45 | 10:00:45 |
| M35-39 | 32 | 10:59:22 | 11:09:14 | 11:38:30 | 12:03:32 | 12:34:23 | 10:59:22 |
| M40-44 | 45 | 10:20:34 | 10:32:20 | 11:43:05 | 12:29:46 | 14:04:02 | 10:20:34 |
| M45-49 | 68 | 9:56:20 | 10:58:46 | 11:29:12 | 11:57:12 | 13:21:27 | 9:56:20 |
| M50-54 | 28 | 10:14:18 | 10:15:32 | 11:13:54 | 11:32:45 | 13:32:38 | 10:14:18 |
| M55-59 | 18 | 11:07:24 | 11:07:24 | 11:22:55 | 11:58:42 | 14:22:43 | 11:07:24 |
| M60-64 | 8 | 11:19:59 | 11:19:59 | 11:19:59 | 11:26:36 | 11:38:17 | 11:19:59 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 31 | 11:30:02 | 11:44:02 | 11:53:05 | 12:34:58 | 13:58:13 | 11:30:02 |
| F30-34 | 7 | 11:30:02 | 11:30:02 | 11:30:02 | 12:17:46 | 13:00:02 | 11:30:02 |
| F35-39 | 6 | 11:44:02 | 11:44:02 | 11:44:02 | 12:34:58 | 13:09:32 | 11:44:02 |
| F40-44 | 6 | 13:04:45 | 13:04:45 | 13:04:45 | 13:32:56 | 15:01:27 | 13:04:45 |
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.