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 | 764 | 4:03:57 | 4:27:06 | 4:41:55 | 4:59:55 | 5:39:08 | 3:53:48 |
| MPRO | 24 | 3:53:48 | 3:57:53 | 3:59:50 | 4:02:33 | 4:05:51 | 3:53:48 |
| M18-24 | 26 | 4:18:43 | 4:26:04 | 4:35:50 | 4:57:26 | 5:33:09 | 4:18:43 |
| M25-29 | 82 | 4:13:09 | 4:30:44 | 4:34:35 | 5:08:47 | 5:41:36 | 4:13:09 |
| M30-34 | 154 | 4:21:23 | 4:35:23 | 4:42:47 | 4:58:32 | 5:42:29 | 4:17:06 |
| M35-39 | 154 | 4:23:39 | 4:31:10 | 4:47:09 | 4:58:52 | 5:38:05 | 4:10:02 |
| M40-44 | 120 | 4:27:40 | 4:41:59 | 4:54:40 | 5:08:35 | 5:36:36 | 4:14:01 |
| M45-49 | 112 | 4:32:50 | 4:46:27 | 4:52:13 | 5:09:02 | 5:43:16 | 4:28:07 |
| M50-54 | 65 | 4:34:59 | 4:44:53 | 4:46:02 | 4:58:23 | 5:36:37 | 4:34:59 |
| M55-59 | 18 | 4:41:25 | 4:41:25 | 4:41:55 | 5:04:36 | 5:27:47 | 4:41:25 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 131 | 4:28:41 | 4:37:58 | 4:45:49 | 5:14:06 | 5:50:55 | 4:26:39 |
| FPRO | 11 | 4:26:39 | 4:26:39 | 4:28:41 | 4:34:34 | 4:37:58 | 4:26:39 |
| F25-29 | 20 | 4:39:02 | 4:39:02 | 4:43:42 | 4:46:38 | 5:46:28 | 4:39:02 |
| F30-34 | 25 | 4:37:25 | 4:52:46 | 4:55:35 | 5:14:12 | 5:45:44 | 4:37:25 |
| F35-39 | 32 | 4:45:30 | 4:51:40 | 5:24:05 | 5:39:57 | 6:15:34 | 4:45:30 |
| F40-44 | 14 | 5:11:48 | 5:11:48 | 5:27:47 | 5:29:46 | 6:15:44 | 5:11:48 |
| F45-49 | 11 | 5:23:40 | 5:23:40 | 5:26:15 | 5:30:29 | 5:55:24 | 5:23:40 |
| F50-54 | 11 | 5:14:06 | 5:14:06 | 5:34:21 | 5:38:30 | 5:56:32 | 5:14:06 |
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.