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 | 738 | 4:11:16 | 4:28:51 | 4:42:24 | 5:00:04 | 5:33:42 | 3:47:19 |
| MPRO | 11 | 3:47:19 | 3:47:19 | 3:47:49 | 3:49:57 | 3:57:06 | 3:47:19 |
| M18-24 | 17 | 4:20:17 | 4:20:17 | 4:27:51 | 4:34:32 | 5:21:39 | 4:20:17 |
| M25-29 | 60 | 4:13:29 | 4:22:41 | 4:33:06 | 4:52:47 | 5:29:55 | 4:13:29 |
| M30-34 | 123 | 4:19:20 | 4:24:36 | 4:43:33 | 4:56:11 | 5:28:00 | 4:17:51 |
| M35-39 | 152 | 4:23:46 | 4:29:36 | 4:38:15 | 4:49:53 | 5:29:42 | 4:17:00 |
| M40-44 | 168 | 4:23:37 | 4:40:17 | 4:48:01 | 5:06:20 | 5:29:28 | 4:22:02 |
| M45-49 | 114 | 4:37:02 | 4:47:33 | 5:00:43 | 5:11:54 | 5:48:19 | 4:21:44 |
| M50-54 | 50 | 4:37:15 | 4:42:54 | 4:55:34 | 5:15:38 | 5:40:50 | 4:37:15 |
| M55-59 | 34 | 4:53:57 | 4:58:25 | 5:04:08 | 5:12:38 | 5:51:14 | 4:53:57 |
| M60-64 | 5 | 5:51:48 | 5:51:48 | 5:51:48 | 5:51:48 | 6:25:58 | 5:51:48 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 180 | 4:21:00 | 4:54:36 | 5:04:40 | 5:21:45 | 6:00:31 | 4:15:08 |
| FPRO | 7 | 4:15:08 | 4:15:08 | 4:15:08 | 4:21:00 | 4:38:13 | 4:15:08 |
| F18-24 | 5 | 5:00:26 | 5:00:26 | 5:00:26 | 5:00:26 | 5:01:08 | 5:00:26 |
| F25-29 | 37 | 5:03:18 | 5:07:25 | 5:13:15 | 5:22:20 | 5:54:21 | 5:03:18 |
| F30-34 | 34 | 5:01:03 | 5:13:09 | 5:18:05 | 5:35:05 | 6:06:57 | 5:01:03 |
| F35-39 | 32 | 4:47:17 | 4:58:52 | 5:04:40 | 5:23:47 | 5:54:31 | 4:47:17 |
| F40-44 | 27 | 4:54:36 | 5:01:20 | 5:07:17 | 5:26:48 | 6:03:01 | 4:54:36 |
| F45-49 | 22 | 5:04:55 | 5:18:27 | 5:30:43 | 5:36:06 | 6:16:54 | 5:04:55 |
| F50-54 | 8 | 5:26:15 | 5:26:15 | 5:26:15 | 5:35:23 | 5:53:36 | 5:26:15 |
| F55-59 | 5 | 5:25:49 | 5:25:49 | 5:25:49 | 5:25:49 | 5:44:28 | 5:25:49 |
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.