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 | 979 | 3:53:25 | 4:20:01 | 4:32:30 | 4:46:24 | 5:19:33 | 3:40:13 |
| MPRO | 12 | 3:40:13 | 3:40:13 | 3:42:57 | 3:44:19 | 3:48:24 | 3:40:13 |
| M18-24 | 71 | 3:55:23 | 4:17:56 | 4:29:21 | 4:47:00 | 5:10:51 | 3:55:23 |
| M25-29 | 132 | 4:04:45 | 4:18:26 | 4:27:27 | 4:39:35 | 5:15:27 | 3:53:25 |
| M30-34 | 204 | 4:07:52 | 4:12:43 | 4:23:16 | 4:37:22 | 5:03:57 | 4:03:42 |
| M35-39 | 219 | 4:06:56 | 4:28:03 | 4:38:12 | 4:50:09 | 5:21:20 | 3:59:18 |
| M40-44 | 178 | 4:10:49 | 4:36:26 | 4:40:21 | 4:53:03 | 5:22:12 | 4:08:12 |
| M45-49 | 72 | 4:21:06 | 4:28:58 | 4:45:50 | 4:57:14 | 5:38:08 | 4:21:06 |
| M50-54 | 58 | 4:31:51 | 4:34:54 | 4:42:30 | 5:00:13 | 5:24:27 | 4:31:51 |
| M55-59 | 18 | 4:53:03 | 4:53:03 | 4:56:38 | 5:13:22 | 5:58:37 | 4:53:03 |
| M60-64 | 8 | 5:44:26 | 5:44:26 | 5:44:26 | 5:48:48 | 6:01:25 | 5:44:26 |
| M65-69 | 5 | 5:29:54 | 5:29:54 | 5:29:54 | 5:29:54 | 6:54:05 | 5:29:54 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 219 | 4:14:59 | 4:40:30 | 4:52:49 | 5:11:11 | 5:46:50 | 4:04:25 |
| FPRO | 6 | 4:04:25 | 4:04:25 | 4:04:25 | 4:10:35 | 4:14:59 | 4:04:25 |
| F18-24 | 12 | 4:46:37 | 4:46:37 | 4:55:34 | 5:28:44 | 5:34:10 | 4:46:37 |
| F25-29 | 39 | 4:32:39 | 4:38:02 | 4:42:27 | 5:10:44 | 5:42:06 | 4:32:39 |
| F30-34 | 51 | 4:27:41 | 4:51:18 | 5:00:48 | 5:16:00 | 5:47:34 | 4:27:41 |
| F35-39 | 49 | 4:32:41 | 4:47:49 | 4:56:11 | 5:11:11 | 5:44:36 | 4:32:41 |
| F40-44 | 34 | 4:40:30 | 4:45:16 | 5:08:34 | 5:13:43 | 5:43:25 | 4:40:30 |
| F45-49 | 20 | 4:48:03 | 4:48:03 | 5:01:46 | 5:17:21 | 6:08:42 | 4:48:03 |
| F50-54 | 5 | 5:34:22 | 5:34:22 | 5:34:22 | 5:34:22 | 6:13:55 | 5:34:22 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.