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 | 993 | 4:05:18 | 4:30:26 | 4:41:37 | 4:53:56 | 5:32:00 | 3:53:10 |
| MPRO | 22 | 3:53:10 | 3:54:57 | 3:56:49 | 4:00:10 | 4:05:33 | 3:53:10 |
| M18-24 | 24 | 4:37:41 | 4:40:01 | 4:43:40 | 4:46:29 | 5:13:20 | 4:37:41 |
| M25-29 | 74 | 4:19:11 | 4:38:48 | 4:43:45 | 4:51:54 | 5:23:40 | 4:19:11 |
| M30-34 | 217 | 4:19:36 | 4:26:07 | 4:35:47 | 4:51:46 | 5:32:53 | 4:12:10 |
| M35-39 | 273 | 4:24:16 | 4:34:20 | 4:43:45 | 4:51:47 | 5:25:14 | 4:21:13 |
| M40-44 | 203 | 4:32:08 | 4:37:24 | 4:45:43 | 5:01:23 | 5:37:36 | 4:25:35 |
| M45-49 | 95 | 4:26:56 | 4:46:28 | 4:54:47 | 5:07:30 | 5:43:02 | 4:26:56 |
| M50-54 | 51 | 4:37:49 | 4:46:05 | 5:00:52 | 5:17:08 | 5:44:29 | 4:37:49 |
| M55-59 | 24 | 5:14:15 | 5:16:30 | 5:25:46 | 5:32:13 | 6:09:06 | 5:14:15 |
| M60-64 | 5 | 6:15:36 | 6:15:36 | 6:15:36 | 6:15:36 | 6:43:45 | 6:15:36 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 170 | 4:21:17 | 4:37:30 | 4:54:25 | 5:09:29 | 5:42:00 | 4:19:40 |
| FPRO | 14 | 4:19:40 | 4:19:40 | 4:21:17 | 4:25:04 | 4:31:13 | 4:19:40 |
| F18-24 | 6 | 4:56:42 | 4:56:42 | 4:56:42 | 4:59:50 | 5:55:32 | 4:56:42 |
| F25-29 | 18 | 5:03:54 | 5:03:54 | 5:07:12 | 5:18:55 | 5:39:28 | 5:03:54 |
| F30-34 | 40 | 5:00:10 | 5:01:46 | 5:10:45 | 5:18:39 | 5:44:32 | 5:00:10 |
| F35-39 | 39 | 4:43:25 | 4:50:27 | 4:54:25 | 5:01:51 | 5:27:36 | 4:43:25 |
| F40-44 | 31 | 4:40:32 | 4:55:40 | 5:10:07 | 5:21:23 | 5:49:11 | 4:40:32 |
| F45-49 | 13 | 5:20:31 | 5:20:31 | 5:21:48 | 5:38:40 | 5:50:39 | 5:20:31 |
| F50-54 | 6 | 5:36:59 | 5:36:59 | 5:36:59 | 5:42:45 | 5:46:16 | 5:36:59 |
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.