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 | 1,400 | 4:03:00 | 4:33:02 | 4:49:11 | 5:09:11 | 5:47:06 | 3:45:10 |
| MPRO | 26 | 3:45:10 | 3:47:14 | 3:47:21 | 3:49:51 | 4:01:46 | 3:45:10 |
| M18-24 | 23 | 4:21:39 | 4:36:32 | 4:37:42 | 4:54:31 | 5:49:04 | 4:21:39 |
| M25-29 | 99 | 4:09:43 | 4:22:11 | 4:39:20 | 4:50:35 | 5:37:50 | 4:09:43 |
| M30-34 | 206 | 4:21:21 | 4:27:53 | 4:38:41 | 5:03:59 | 5:43:53 | 4:12:20 |
| M35-39 | 252 | 4:28:13 | 4:42:43 | 4:57:02 | 5:11:25 | 5:44:15 | 4:19:50 |
| M40-44 | 287 | 4:18:04 | 4:37:56 | 4:53:20 | 5:07:08 | 5:44:24 | 4:09:45 |
| M45-49 | 226 | 4:30:26 | 4:45:52 | 4:58:29 | 5:13:05 | 5:44:12 | 4:27:28 |
| M50-54 | 142 | 4:29:48 | 4:58:10 | 5:05:28 | 5:22:22 | 5:54:47 | 4:28:38 |
| M55-59 | 87 | 4:13:02 | 5:03:51 | 5:16:48 | 5:35:04 | 6:04:11 | 4:13:02 |
| M60-64 | 31 | 5:09:52 | 5:24:10 | 5:28:47 | 5:46:08 | 6:27:49 | 5:09:52 |
| M65-69 | 16 | 5:55:02 | 5:55:02 | 6:09:06 | 6:30:53 | 6:47:49 | 5:55:02 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 750 | 4:34:29 | 5:02:33 | 5:23:06 | 5:46:29 | 6:25:57 | 4:13:18 |
| FPRO | 17 | 4:13:18 | 4:13:18 | 4:15:09 | 4:20:20 | 4:35:44 | 4:13:18 |
| F18-24 | 12 | 4:50:48 | 4:50:48 | 5:11:56 | 5:15:39 | 5:34:50 | 4:50:48 |
| F25-29 | 84 | 4:44:23 | 5:04:28 | 5:17:16 | 5:42:37 | 6:24:13 | 4:44:23 |
| F30-34 | 140 | 4:44:24 | 4:54:46 | 5:17:18 | 5:41:15 | 6:18:36 | 4:41:15 |
| F35-39 | 120 | 4:50:40 | 5:23:06 | 5:32:06 | 5:51:48 | 6:25:38 | 4:50:23 |
| F40-44 | 158 | 4:47:37 | 5:07:55 | 5:30:26 | 5:45:44 | 6:23:32 | 4:43:58 |
| F45-49 | 105 | 5:07:56 | 5:33:12 | 5:51:31 | 5:59:59 | 6:39:09 | 5:03:59 |
| F50-54 | 71 | 5:01:35 | 5:16:55 | 5:36:33 | 5:58:05 | 6:40:50 | 5:01:35 |
| F55-59 | 29 | 5:17:08 | 5:22:15 | 5:44:28 | 6:00:51 | 6:25:10 | 5:17:08 |
| F60-64 | 13 | 6:11:46 | 6:11:46 | 6:20:21 | 6:26:23 | 6:55:26 | 6:11:46 |
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.