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 | 474 | 4:07:25 | 4:38:30 | 4:54:52 | 5:17:31 | 5:53:52 | 3:59:42 |
| MPRO | 15 | 3:59:42 | 3:59:42 | 4:01:52 | 4:04:00 | 4:10:24 | 3:59:42 |
| M18-24 | 25 | 4:38:30 | 4:55:07 | 5:03:04 | 5:20:32 | 5:50:08 | 4:38:30 |
| M25-29 | 33 | 4:32:41 | 4:44:59 | 5:04:04 | 5:14:25 | 5:56:25 | 4:32:41 |
| M30-34 | 83 | 4:29:03 | 4:37:38 | 4:43:44 | 5:02:03 | 5:38:50 | 4:29:03 |
| M35-39 | 84 | 4:31:46 | 4:54:52 | 5:04:42 | 5:17:12 | 5:48:23 | 4:31:46 |
| M40-44 | 111 | 4:41:08 | 4:49:44 | 5:11:17 | 5:22:51 | 5:59:46 | 4:39:07 |
| M45-49 | 60 | 4:39:52 | 4:52:47 | 5:02:30 | 5:24:29 | 5:54:16 | 4:39:52 |
| M50-54 | 31 | 4:43:25 | 5:22:43 | 5:24:45 | 5:36:37 | 6:18:28 | 4:43:25 |
| M55-59 | 18 | 5:07:41 | 5:07:41 | 5:19:42 | 5:33:14 | 6:07:50 | 5:07:41 |
| M60-64 | 11 | 5:19:38 | 5:19:38 | 5:23:52 | 5:52:54 | 6:05:48 | 5:19:38 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 90 | 4:20:13 | 4:36:52 | 4:43:39 | 5:27:26 | 6:17:47 | 4:20:13 |
| FPRO | 12 | 4:20:13 | 4:20:13 | 4:24:53 | 4:30:49 | 4:37:29 | 4:20:13 |
| F25-29 | 9 | 4:56:14 | 4:56:14 | 4:56:14 | 5:37:59 | 6:35:10 | 4:56:14 |
| F30-34 | 16 | 5:12:54 | 5:12:54 | 5:14:24 | 5:34:56 | 6:18:49 | 5:12:54 |
| F35-39 | 17 | 5:20:35 | 5:20:35 | 5:21:33 | 5:45:19 | 6:03:00 | 5:20:35 |
| F40-44 | 13 | 5:30:29 | 5:30:29 | 5:44:12 | 5:44:42 | 6:36:36 | 5:30:29 |
| F45-49 | 10 | 5:27:26 | 5:27:26 | 5:27:26 | 5:32:30 | 6:17:02 | 5:27:26 |
| F50-54 | 5 | 5:44:55 | 5:44:55 | 5:44:55 | 5:44:55 | 6:28:59 | 5:44:55 |
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.