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 | 1,264 | 8:55:42 | 9:34:07 | 10:00:34 | 10:39:49 | 12:02:54 | 8:32:08 |
| M18-24 | 74 | 8:41:11 | 9:47:03 | 10:26:19 | 10:49:09 | 11:58:00 | 8:41:11 |
| M25-29 | 184 | 8:49:30 | 9:27:37 | 9:48:03 | 10:23:28 | 11:47:54 | 8:47:24 |
| M30-34 | 176 | 8:46:17 | 9:15:39 | 9:30:12 | 10:08:58 | 11:45:59 | 8:46:06 |
| M35-39 | 208 | 8:55:56 | 9:33:15 | 9:43:31 | 10:15:27 | 11:41:09 | 8:32:08 |
| M40-44 | 197 | 9:14:46 | 9:40:57 | 10:14:47 | 10:42:46 | 12:03:03 | 8:37:49 |
| M45-49 | 157 | 8:59:02 | 9:35:43 | 10:06:11 | 10:51:26 | 12:13:41 | 8:44:36 |
| M50-54 | 148 | 9:16:11 | 10:04:15 | 10:27:20 | 10:57:45 | 12:20:58 | 9:09:25 |
| M55-59 | 83 | 9:41:11 | 10:21:40 | 10:50:48 | 11:10:37 | 12:45:30 | 9:41:11 |
| M60-64 | 27 | 10:45:17 | 10:57:34 | 11:03:47 | 11:27:43 | 13:24:31 | 10:45:17 |
| M65-69 | 9 | 11:52:19 | 11:52:19 | 11:52:19 | 12:51:43 | 13:30:32 | 11:52:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 134 | 9:45:54 | 10:39:50 | 11:14:42 | 11:48:26 | 13:06:26 | 9:26:10 |
| F18-24 | 10 | 11:05:23 | 11:05:23 | 11:05:23 | 11:11:08 | 12:15:56 | 11:05:23 |
| F25-29 | 24 | 10:34:38 | 10:39:50 | 10:43:37 | 10:56:20 | 12:47:56 | 10:34:38 |
| F30-34 | 21 | 9:26:10 | 9:45:54 | 10:05:02 | 11:34:20 | 12:18:16 | 9:26:10 |
| F35-39 | 15 | 10:36:40 | 10:36:40 | 12:09:09 | 12:24:08 | 13:07:57 | 10:36:40 |
| F40-44 | 20 | 11:09:54 | 11:09:54 | 11:22:14 | 11:44:16 | 13:24:53 | 11:09:54 |
| F45-49 | 19 | 11:43:44 | 11:43:44 | 12:05:53 | 12:30:27 | 13:38:15 | 11:43:44 |
| F50-54 | 19 | 11:21:47 | 11:21:47 | 11:29:30 | 12:21:13 | 13:55:54 | 11:21:47 |
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.