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 | 1,531 | 9:27:57 | 10:17:38 | 10:49:45 | 11:31:39 | 13:09:47 | 8:48:15 |
| M18-24 | 26 | 10:05:59 | 11:42:56 | 11:51:15 | 12:38:49 | 14:01:30 | 10:05:59 |
| M25-29 | 62 | 9:32:08 | 9:47:04 | 10:38:18 | 11:20:17 | 12:50:38 | 9:32:08 |
| M30-34 | 130 | 9:19:13 | 9:53:57 | 10:15:12 | 10:56:42 | 12:31:23 | 8:48:15 |
| M35-39 | 235 | 9:11:52 | 9:40:12 | 10:16:31 | 10:47:39 | 12:22:19 | 8:58:22 |
| M40-44 | 339 | 9:10:08 | 10:14:16 | 10:49:07 | 11:24:33 | 12:49:00 | 8:48:57 |
| M45-49 | 298 | 9:59:17 | 10:39:33 | 10:58:53 | 11:39:16 | 13:08:58 | 9:46:01 |
| M50-54 | 237 | 10:08:21 | 10:35:46 | 11:25:49 | 12:22:43 | 13:47:56 | 9:48:57 |
| M55-59 | 107 | 10:47:00 | 11:08:47 | 11:37:52 | 12:23:51 | 14:05:05 | 10:30:01 |
| M60-64 | 61 | 10:55:12 | 11:45:47 | 12:20:49 | 13:13:00 | 14:50:16 | 10:55:12 |
| M65-69 | 24 | 11:15:35 | 11:53:04 | 12:18:11 | 12:37:21 | 14:55:38 | 11:15:35 |
| M70-74 | 10 | 12:20:52 | 12:20:52 | 12:20:52 | 12:39:58 | 14:25:08 | 12:20:52 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 468 | 10:08:46 | 11:03:01 | 11:28:50 | 12:28:57 | 13:59:57 | 9:47:49 |
| F18-24 | 9 | 13:11:34 | 13:11:34 | 13:11:34 | 13:20:15 | 14:48:34 | 13:11:34 |
| F25-29 | 25 | 10:25:00 | 10:35:08 | 11:02:47 | 11:27:19 | 13:31:12 | 10:25:00 |
| F30-34 | 61 | 9:58:57 | 10:39:11 | 10:49:56 | 11:26:43 | 13:24:07 | 9:58:57 |
| F35-39 | 71 | 9:47:49 | 10:36:14 | 11:15:42 | 12:24:58 | 13:27:34 | 9:47:49 |
| F40-44 | 97 | 10:32:51 | 11:06:37 | 11:22:29 | 12:32:56 | 13:59:33 | 10:32:51 |
| F45-49 | 82 | 10:17:40 | 11:17:18 | 11:58:08 | 12:50:29 | 14:01:12 | 10:17:40 |
| F50-54 | 69 | 10:26:40 | 11:28:50 | 12:21:48 | 12:42:24 | 14:43:20 | 10:26:40 |
| F55-59 | 41 | 11:05:55 | 12:18:12 | 12:31:10 | 12:59:33 | 14:41:01 | 11:05:55 |
| F60-64 | 9 | 12:29:54 | 12:29:54 | 12:29:54 | 12:50:57 | 15:11:51 | 12:29:54 |
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.