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 | 845 | 4:04:28 | 4:34:21 | 4:48:05 | 5:10:29 | 5:50:27 | 3:51:46 |
| MPRO | 20 | 3:51:46 | 3:51:46 | 3:51:48 | 3:56:32 | 4:05:54 | 3:51:46 |
| M18-24 | 38 | 4:18:34 | 4:28:06 | 4:29:30 | 4:54:09 | 5:21:37 | 4:18:34 |
| M25-29 | 109 | 4:20:36 | 4:31:32 | 4:44:52 | 5:05:16 | 5:50:23 | 4:12:19 |
| M30-34 | 121 | 4:17:45 | 4:38:15 | 4:48:05 | 5:07:28 | 5:42:00 | 4:15:33 |
| M35-39 | 191 | 4:27:51 | 4:42:53 | 4:53:00 | 5:11:20 | 5:54:26 | 4:24:03 |
| M40-44 | 172 | 4:28:49 | 4:45:06 | 5:02:07 | 5:23:11 | 5:53:43 | 4:27:57 |
| M45-49 | 103 | 4:43:32 | 4:55:33 | 5:09:24 | 5:19:10 | 5:53:28 | 4:39:54 |
| M50-54 | 46 | 4:47:29 | 5:00:33 | 5:12:09 | 5:31:53 | 5:52:53 | 4:47:29 |
| M55-59 | 29 | 5:00:00 | 5:15:12 | 5:26:21 | 5:36:05 | 6:21:05 | 5:00:00 |
| M60-64 | 11 | 5:22:14 | 5:22:14 | 5:31:12 | 5:50:27 | 5:53:49 | 5:22:14 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 350 | 4:26:46 | 4:58:00 | 5:17:53 | 5:42:56 | 6:22:19 | 4:12:29 |
| FPRO | 13 | 4:12:29 | 4:12:29 | 4:20:58 | 4:25:10 | 4:37:45 | 4:12:29 |
| F18-24 | 13 | 4:58:00 | 4:58:00 | 5:02:17 | 5:32:51 | 6:20:19 | 4:58:00 |
| F25-29 | 47 | 5:03:11 | 5:17:45 | 5:23:10 | 5:46:18 | 6:16:23 | 5:03:11 |
| F30-34 | 82 | 4:45:41 | 5:09:11 | 5:16:50 | 5:44:07 | 6:17:23 | 4:45:41 |
| F35-39 | 70 | 5:04:56 | 5:12:37 | 5:32:13 | 5:48:56 | 6:22:38 | 5:04:56 |
| F40-44 | 62 | 4:46:54 | 5:25:56 | 5:29:53 | 5:49:04 | 6:19:44 | 4:46:54 |
| F45-49 | 35 | 5:09:32 | 5:25:42 | 5:31:48 | 5:44:09 | 6:29:51 | 5:09:32 |
| F50-54 | 18 | 5:27:16 | 5:27:16 | 5:34:45 | 6:08:26 | 6:34:54 | 5:27:16 |
| F55-59 | 5 | 6:35:34 | 6:35:34 | 6:35:34 | 6:35:34 | 7:34:37 | 6:35:34 |
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.