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 | 1,775 | 9:31:39 | 10:06:36 | 10:40:14 | 11:24:31 | 12:51:20 | 9:01:17 |
| M18-24 | 46 | 9:40:00 | 9:48:57 | 10:44:07 | 11:27:24 | 12:52:40 | 9:40:00 |
| M25-29 | 142 | 9:16:28 | 9:45:08 | 10:29:59 | 11:11:43 | 12:56:42 | 9:01:17 |
| M30-34 | 233 | 9:18:56 | 9:46:40 | 10:09:52 | 10:54:14 | 12:25:59 | 9:07:20 |
| M35-39 | 289 | 9:42:17 | 10:00:17 | 10:35:24 | 11:09:43 | 12:29:39 | 9:09:40 |
| M40-44 | 352 | 9:32:17 | 9:56:13 | 10:29:23 | 11:28:53 | 12:47:21 | 9:13:17 |
| M45-49 | 321 | 9:44:20 | 10:17:52 | 10:49:51 | 11:34:01 | 12:51:30 | 9:25:42 |
| M50-54 | 257 | 10:06:36 | 10:27:10 | 10:49:41 | 11:48:30 | 13:07:34 | 9:35:47 |
| M55-59 | 86 | 10:35:24 | 10:53:30 | 11:26:33 | 12:08:37 | 13:37:04 | 10:35:24 |
| M60-64 | 30 | 10:49:17 | 11:26:22 | 11:41:38 | 13:11:18 | 14:17:06 | 10:49:17 |
| M65-69 | 16 | 12:09:55 | 12:09:55 | 12:20:16 | 12:36:20 | 13:23:28 | 12:09:55 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 650 | 10:21:24 | 10:55:25 | 11:17:20 | 12:02:20 | 13:36:20 | 9:46:24 |
| F18-24 | 12 | 10:52:52 | 10:52:52 | 11:44:09 | 12:26:34 | 13:55:30 | 10:52:52 |
| F25-29 | 65 | 10:42:14 | 10:53:44 | 11:08:16 | 11:40:23 | 13:45:46 | 10:42:14 |
| F30-34 | 98 | 10:21:17 | 10:47:51 | 11:05:20 | 11:53:44 | 13:05:42 | 10:21:17 |
| F35-39 | 125 | 10:02:29 | 11:06:05 | 11:25:07 | 12:08:46 | 13:39:09 | 9:46:24 |
| F40-44 | 134 | 10:23:35 | 10:45:28 | 11:08:44 | 11:53:08 | 13:16:15 | 10:21:44 |
| F45-49 | 102 | 10:03:16 | 10:41:47 | 11:08:59 | 11:52:41 | 13:51:40 | 9:55:25 |
| F50-54 | 73 | 10:54:20 | 11:07:08 | 11:43:55 | 12:42:21 | 13:36:05 | 10:54:20 |
| F55-59 | 34 | 11:11:47 | 11:34:10 | 12:04:18 | 12:43:47 | 14:30:05 | 11:11:47 |
| F60-64 | 7 | 13:01:07 | 13:01:07 | 13:01:07 | 13:19:06 | 14:15:49 | 13:01:07 |
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.