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 | 1,301 | 4:07:07 | 4:28:44 | 4:37:52 | 4:51:26 | 5:22:05 | 3:51:59 |
| MPRO | 20 | 3:51:59 | 3:51:59 | 3:54:29 | 3:56:47 | 4:02:45 | 3:51:59 |
| M18-24 | 34 | 4:10:42 | 4:18:57 | 4:22:54 | 4:33:38 | 5:14:10 | 4:10:42 |
| M25-29 | 134 | 4:14:20 | 4:18:40 | 4:27:34 | 4:37:22 | 5:15:53 | 4:07:07 |
| M30-34 | 212 | 4:21:19 | 4:28:31 | 4:35:17 | 4:47:17 | 5:14:10 | 4:14:32 |
| M35-39 | 215 | 4:22:25 | 4:31:28 | 4:39:23 | 4:51:19 | 5:18:25 | 4:16:55 |
| M40-44 | 230 | 4:18:58 | 4:32:55 | 4:41:09 | 4:51:26 | 5:13:30 | 4:13:10 |
| M45-49 | 204 | 4:25:08 | 4:36:43 | 4:45:31 | 5:00:56 | 5:28:44 | 4:19:26 |
| M50-54 | 149 | 4:29:23 | 4:49:09 | 4:55:11 | 5:03:45 | 5:36:35 | 4:16:40 |
| M55-59 | 68 | 4:40:51 | 4:46:16 | 4:51:46 | 5:07:32 | 5:40:39 | 4:40:51 |
| M60-64 | 22 | 4:58:31 | 5:13:38 | 5:16:05 | 5:20:12 | 5:44:00 | 4:58:31 |
| M65-69 | 9 | 5:19:47 | 5:19:47 | 5:19:47 | 5:39:51 | 6:22:19 | 5:19:47 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 285 | 4:20:31 | 4:52:58 | 5:03:14 | 5:19:49 | 5:49:56 | 4:13:52 |
| FPRO | 9 | 4:13:52 | 4:13:52 | 4:13:52 | 4:15:59 | 4:27:18 | 4:13:52 |
| F18-24 | 14 | 4:47:36 | 4:47:36 | 5:03:12 | 5:06:18 | 5:35:12 | 4:47:36 |
| F25-29 | 31 | 4:51:43 | 4:56:19 | 5:02:17 | 5:20:18 | 5:44:16 | 4:51:43 |
| F30-34 | 45 | 4:49:21 | 4:56:48 | 5:04:27 | 5:16:16 | 5:42:00 | 4:49:21 |
| F35-39 | 50 | 4:38:01 | 4:54:11 | 4:58:21 | 5:21:18 | 5:53:15 | 4:38:01 |
| F40-44 | 55 | 4:58:09 | 4:59:43 | 5:15:39 | 5:25:18 | 5:50:59 | 4:58:09 |
| F45-49 | 32 | 4:54:01 | 5:22:26 | 5:25:39 | 5:36:14 | 6:00:04 | 4:54:01 |
| F50-54 | 26 | 5:06:12 | 5:10:28 | 5:19:24 | 5:23:42 | 5:45:25 | 5:06:12 |
| F55-59 | 17 | 5:33:56 | 5:33:56 | 5:40:10 | 5:46:04 | 6:09:16 | 5:33:56 |
| F60-64 | 5 | 5:46:57 | 5:46:57 | 5:46:57 | 5:46:57 | 6:22:21 | 5:46:57 |
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.