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 | 296 | 4:10:38 | 4:40:28 | 4:52:19 | 5:11:17 | 6:07:42 | 4:06:02 |
| MPRO | 13 | 4:06:02 | 4:06:02 | 4:06:39 | 4:10:38 | 4:14:31 | 4:06:02 |
| M18-24 | 6 | 4:41:36 | 4:41:36 | 4:41:36 | 4:42:09 | 5:09:13 | 4:41:36 |
| M25-29 | 16 | 4:47:31 | 4:47:31 | 4:52:34 | 5:05:35 | 5:49:00 | 4:47:31 |
| M30-34 | 36 | 4:34:03 | 4:34:51 | 4:50:59 | 5:14:00 | 5:54:56 | 4:34:03 |
| M35-39 | 60 | 4:36:09 | 4:40:28 | 4:52:30 | 5:02:52 | 6:08:41 | 4:36:09 |
| M40-44 | 48 | 4:44:23 | 4:50:02 | 4:53:55 | 5:07:35 | 5:30:07 | 4:44:23 |
| M45-49 | 48 | 4:47:32 | 4:59:59 | 5:17:21 | 5:29:41 | 6:14:31 | 4:47:32 |
| M50-54 | 33 | 4:52:19 | 5:03:01 | 5:13:37 | 5:34:10 | 6:41:43 | 4:52:19 |
| M55-59 | 19 | 5:11:17 | 5:11:17 | 5:26:30 | 5:45:09 | 6:51:24 | 5:11:17 |
| M60-64 | 9 | 6:13:15 | 6:13:15 | 6:13:15 | 6:30:37 | 6:38:07 | 6:13:15 |
| M65-69 | 6 | 6:42:43 | 6:42:43 | 6:42:43 | 6:53:09 | 6:59:00 | 6:42:43 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 100 | 4:31:06 | 5:03:12 | 5:18:33 | 5:39:16 | 6:24:58 | 4:31:06 |
| FPRO | 6 | 4:31:06 | 4:31:06 | 4:31:06 | 4:42:28 | 4:54:27 | 4:31:06 |
| F25-29 | 14 | 5:18:33 | 5:18:33 | 5:29:18 | 5:41:02 | 6:16:25 | 5:18:33 |
| F30-34 | 16 | 5:19:01 | 5:19:01 | 5:24:01 | 5:42:08 | 6:23:07 | 5:19:01 |
| F35-39 | 17 | 5:11:52 | 5:11:52 | 5:16:33 | 5:39:16 | 6:04:05 | 5:11:52 |
| F40-44 | 16 | 5:15:36 | 5:15:36 | 5:36:48 | 5:45:15 | 6:15:23 | 5:15:36 |
| F45-49 | 11 | 5:32:08 | 5:32:08 | 5:50:09 | 5:59:19 | 7:01:25 | 5:32:08 |
| F50-54 | 10 | 5:51:36 | 5:51:36 | 5:51:36 | 5:55:24 | 6:35:31 | 5:51:36 |
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.