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 | 727 | 3:56:25 | 4:24:49 | 4:37:49 | 4:51:43 | 5:28:48 | 3:42:59 |
| MPRO | 11 | 3:42:59 | 3:42:59 | 3:44:31 | 3:45:02 | 3:50:46 | 3:42:59 |
| M18-24 | 36 | 4:25:19 | 4:28:55 | 4:36:52 | 4:50:17 | 5:08:48 | 4:25:19 |
| M25-29 | 92 | 4:12:40 | 4:30:01 | 4:41:26 | 5:00:10 | 5:26:30 | 4:12:40 |
| M30-34 | 132 | 4:12:27 | 4:26:10 | 4:37:33 | 4:47:59 | 5:15:47 | 4:10:29 |
| M35-39 | 134 | 4:13:38 | 4:25:56 | 4:41:47 | 4:54:53 | 5:29:50 | 4:12:47 |
| M40-44 | 150 | 4:16:54 | 4:26:31 | 4:39:51 | 5:00:34 | 5:32:46 | 4:14:50 |
| M45-49 | 93 | 4:19:13 | 4:31:42 | 4:41:22 | 5:05:52 | 5:35:16 | 4:19:13 |
| M50-54 | 42 | 4:25:09 | 4:29:31 | 4:36:40 | 4:54:56 | 5:40:24 | 4:25:09 |
| M55-59 | 21 | 4:37:49 | 4:44:22 | 4:49:03 | 4:51:09 | 5:17:59 | 4:37:49 |
| M60-64 | 12 | 5:04:43 | 5:04:43 | 5:04:58 | 5:13:44 | 5:41:51 | 5:04:43 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 229 | 4:10:20 | 4:41:59 | 4:57:30 | 5:20:24 | 5:56:01 | 4:03:46 |
| FPRO | 8 | 4:03:46 | 4:03:46 | 4:03:46 | 4:07:15 | 4:18:45 | 4:03:46 |
| F18-24 | 14 | 4:39:51 | 4:39:51 | 5:13:34 | 5:23:43 | 6:09:00 | 4:39:51 |
| F25-29 | 33 | 4:29:06 | 4:34:45 | 4:46:40 | 5:15:00 | 5:50:33 | 4:29:06 |
| F30-34 | 47 | 4:49:52 | 4:57:30 | 4:58:35 | 5:21:22 | 5:51:17 | 4:49:52 |
| F35-39 | 47 | 4:31:27 | 4:49:09 | 4:58:24 | 5:07:58 | 5:56:01 | 4:31:27 |
| F40-44 | 35 | 4:42:15 | 4:49:21 | 4:59:47 | 5:18:35 | 5:50:43 | 4:42:15 |
| F45-49 | 27 | 5:28:13 | 5:30:44 | 5:39:02 | 5:52:18 | 6:14:14 | 5:28:13 |
| F50-54 | 10 | 5:01:54 | 5:01:54 | 5:01:54 | 5:44:57 | 6:07:31 | 5:01:54 |
| F55-59 | 6 | 5:50:24 | 5:50:24 | 5:50:24 | 5:51:59 | 5:52:51 | 5:50:24 |
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.