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 | 900 | 8:56:10 | 9:25:00 | 9:47:58 | 10:22:22 | 11:35:25 | 8:28:15 |
| M18-24 | 19 | 9:53:31 | 9:53:31 | 9:59:36 | 10:44:12 | 11:31:36 | 9:53:31 |
| M25-29 | 76 | 8:28:15 | 8:55:36 | 9:13:13 | 9:39:47 | 11:07:37 | 8:28:15 |
| M30-34 | 133 | 8:54:23 | 9:21:24 | 9:37:25 | 10:04:07 | 11:23:43 | 8:41:29 |
| M35-39 | 184 | 8:56:20 | 9:18:15 | 9:29:48 | 9:56:03 | 11:15:55 | 8:48:39 |
| M40-44 | 182 | 8:56:10 | 9:37:51 | 9:56:18 | 10:25:49 | 11:36:53 | 8:48:39 |
| M45-49 | 151 | 9:31:14 | 9:38:41 | 10:00:49 | 10:33:43 | 11:42:36 | 9:16:39 |
| M50-54 | 103 | 9:24:06 | 10:06:39 | 10:25:47 | 10:59:45 | 12:18:40 | 9:14:58 |
| M55-59 | 29 | 10:12:51 | 10:33:38 | 10:45:39 | 11:03:01 | 12:07:55 | 10:12:51 |
| M60-64 | 16 | 11:05:35 | 11:05:35 | 11:09:07 | 11:16:50 | 12:38:26 | 11:05:35 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 136 | 9:39:21 | 10:14:22 | 10:40:48 | 11:01:28 | 12:28:10 | 9:31:06 |
| F18-24 | 5 | 11:41:26 | 11:41:26 | 11:41:26 | 11:41:26 | 12:17:31 | 11:41:26 |
| F25-29 | 12 | 10:30:17 | 10:30:17 | 10:31:19 | 10:40:48 | 12:17:07 | 10:30:17 |
| F30-34 | 29 | 9:31:06 | 9:53:13 | 10:16:40 | 10:41:07 | 12:03:47 | 9:31:06 |
| F35-39 | 31 | 9:54:59 | 10:00:39 | 10:14:22 | 11:00:50 | 12:31:31 | 9:54:59 |
| F40-44 | 24 | 10:42:42 | 10:52:18 | 10:54:48 | 11:01:53 | 12:09:51 | 10:42:42 |
| F45-49 | 11 | 9:39:21 | 9:39:21 | 11:03:13 | 11:10:50 | 11:40:03 | 9:39:21 |
| F50-54 | 14 | 11:21:30 | 11:21:30 | 11:24:02 | 11:26:31 | 12:38:26 | 11:21:30 |
| F55-59 | 7 | 12:14:39 | 12:14:39 | 12:14:39 | 12:29:27 | 14:09:37 | 12:14:39 |
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.