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 | 574 | 3:54:40 | 4:22:08 | 4:38:43 | 4:52:26 | 5:23:01 | 3:45:53 |
| MPRO | 12 | 3:45:53 | 3:45:53 | 3:47:22 | 3:49:10 | 3:54:40 | 3:45:53 |
| M18-24 | 17 | 4:12:46 | 4:12:46 | 4:27:08 | 4:44:42 | 5:29:06 | 4:12:46 |
| M25-29 | 65 | 4:11:31 | 4:16:10 | 4:28:38 | 4:38:52 | 5:17:25 | 4:11:31 |
| M30-34 | 79 | 4:07:39 | 4:16:49 | 4:22:08 | 4:40:42 | 5:11:04 | 4:07:39 |
| M35-39 | 103 | 4:26:32 | 4:43:15 | 4:47:07 | 4:55:25 | 5:20:54 | 4:14:31 |
| M40-44 | 99 | 4:06:13 | 4:28:26 | 4:42:15 | 4:52:43 | 5:18:18 | 4:06:13 |
| M45-49 | 86 | 4:20:38 | 4:32:01 | 4:50:02 | 4:57:42 | 5:39:19 | 4:20:38 |
| M50-54 | 63 | 4:29:02 | 4:44:46 | 5:01:46 | 5:06:33 | 5:28:02 | 4:29:02 |
| M55-59 | 32 | 4:30:32 | 4:50:09 | 4:58:47 | 5:13:22 | 5:44:36 | 4:30:32 |
| M60-64 | 14 | 4:47:16 | 4:47:16 | 4:54:57 | 4:56:44 | 5:31:36 | 4:47:16 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 200 | 4:26:19 | 4:42:52 | 4:56:25 | 5:15:01 | 5:52:54 | 4:26:12 |
| FPRO | 9 | 4:26:12 | 4:26:12 | 4:26:12 | 4:26:19 | 4:34:47 | 4:26:12 |
| F18-24 | 13 | 4:56:03 | 4:56:03 | 5:08:37 | 5:17:23 | 5:41:42 | 4:56:03 |
| F25-29 | 17 | 4:42:52 | 4:42:52 | 5:01:30 | 5:21:12 | 5:43:09 | 4:42:52 |
| F30-34 | 34 | 4:35:44 | 4:39:09 | 4:45:03 | 4:52:54 | 5:32:09 | 4:35:44 |
| F35-39 | 36 | 5:02:10 | 5:09:26 | 5:12:00 | 5:18:45 | 6:01:24 | 5:02:10 |
| F40-44 | 33 | 4:56:07 | 4:56:25 | 5:11:01 | 5:16:00 | 6:00:52 | 4:56:07 |
| F45-49 | 27 | 5:11:51 | 5:19:40 | 5:23:26 | 5:44:36 | 6:09:39 | 5:11:51 |
| F50-54 | 20 | 5:07:42 | 5:07:42 | 5:09:55 | 5:18:55 | 6:05:58 | 5:07:42 |
| F55-59 | 7 | 5:36:17 | 5:36:17 | 5:36:17 | 5:45:41 | 5:53:28 | 5:36:17 |
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.