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 | 874 | 4:12:39 | 4:49:42 | 5:03:05 | 5:22:08 | 6:05:11 | 4:01:15 |
| MPRO | 12 | 4:01:15 | 4:01:15 | 4:02:05 | 4:03:01 | 4:09:05 | 4:01:15 |
| M18-24 | 57 | 4:31:42 | 4:34:04 | 4:58:18 | 5:18:15 | 6:05:50 | 4:31:42 |
| M25-29 | 114 | 4:34:10 | 4:53:59 | 5:01:02 | 5:22:05 | 6:21:08 | 4:32:39 |
| M30-34 | 159 | 4:39:27 | 4:59:42 | 5:09:35 | 5:20:22 | 5:54:25 | 4:32:50 |
| M35-39 | 165 | 4:20:59 | 4:49:07 | 5:01:40 | 5:19:40 | 5:58:15 | 4:12:39 |
| M40-44 | 158 | 4:42:13 | 4:47:39 | 5:00:32 | 5:22:50 | 6:01:32 | 4:40:19 |
| M45-49 | 111 | 4:49:42 | 5:07:04 | 5:17:53 | 5:41:03 | 6:17:54 | 4:46:58 |
| M50-54 | 64 | 4:45:55 | 5:00:11 | 5:07:08 | 5:38:29 | 6:13:56 | 4:45:55 |
| M55-59 | 18 | 5:03:37 | 5:03:37 | 5:03:49 | 5:29:55 | 6:21:25 | 5:03:37 |
| M60-64 | 11 | 5:15:24 | 5:15:24 | 5:46:48 | 5:47:27 | 6:45:26 | 5:15:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 311 | 4:33:32 | 4:56:23 | 5:15:42 | 5:37:11 | 6:21:53 | 4:06:37 |
| FPRO | 14 | 4:30:36 | 4:30:36 | 4:30:58 | 4:33:32 | 4:37:57 | 4:30:36 |
| F18-24 | 18 | 5:10:17 | 5:10:17 | 5:24:44 | 5:58:15 | 6:19:38 | 5:10:17 |
| F25-29 | 40 | 4:50:36 | 5:06:39 | 5:25:47 | 5:45:54 | 6:13:18 | 4:50:36 |
| F30-34 | 79 | 4:06:37 | 4:58:17 | 5:11:52 | 5:23:36 | 6:12:01 | 4:06:37 |
| F35-39 | 56 | 4:56:23 | 5:15:44 | 5:19:24 | 5:37:11 | 6:22:17 | 4:56:23 |
| F40-44 | 42 | 5:16:32 | 5:23:57 | 5:34:56 | 5:48:43 | 6:36:13 | 5:16:32 |
| F45-49 | 41 | 4:51:39 | 5:09:15 | 5:34:54 | 5:52:55 | 6:35:30 | 4:51:39 |
| F50-54 | 19 | 5:42:01 | 5:42:01 | 5:54:07 | 6:05:28 | 6:44:11 | 5:42:01 |
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.