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 | 680 | 4:10:20 | 4:32:17 | 4:47:25 | 5:04:18 | 5:41:01 | 3:56:50 |
| MPRO | 14 | 3:56:50 | 3:56:50 | 3:57:53 | 3:58:29 | 4:10:20 | 3:56:50 |
| M18-24 | 37 | 4:27:35 | 4:31:16 | 4:52:49 | 5:07:08 | 5:38:03 | 4:27:35 |
| M25-29 | 88 | 4:22:19 | 4:39:10 | 4:49:31 | 5:09:09 | 5:39:36 | 4:22:19 |
| M30-34 | 105 | 4:27:09 | 4:33:10 | 4:49:43 | 4:58:54 | 5:33:04 | 4:24:26 |
| M35-39 | 127 | 4:20:27 | 4:35:50 | 4:44:31 | 4:58:55 | 5:39:57 | 4:19:55 |
| M40-44 | 133 | 4:28:35 | 4:40:54 | 4:53:19 | 5:06:42 | 5:44:31 | 4:23:35 |
| M45-49 | 82 | 4:37:46 | 4:44:04 | 4:51:09 | 5:09:20 | 5:51:55 | 4:37:46 |
| M50-54 | 52 | 4:47:20 | 4:53:06 | 5:06:44 | 5:14:51 | 5:43:00 | 4:47:20 |
| M55-59 | 27 | 5:05:03 | 5:09:48 | 5:11:34 | 5:17:30 | 5:41:01 | 5:05:03 |
| M65-69 | 5 | 5:50:23 | 5:50:23 | 5:50:23 | 5:50:23 | 6:02:16 | 5:50:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 257 | 4:42:42 | 5:04:27 | 5:15:58 | 5:28:53 | 6:10:57 | 4:27:31 |
| FPRO | 7 | 4:27:31 | 4:27:31 | 4:27:31 | 4:37:58 | 4:43:24 | 4:27:31 |
| F18-24 | 11 | 5:31:55 | 5:31:55 | 5:36:45 | 5:40:19 | 6:35:49 | 5:31:55 |
| F25-29 | 38 | 4:55:29 | 5:06:22 | 5:08:40 | 5:37:16 | 6:03:08 | 4:55:29 |
| F30-34 | 52 | 4:58:11 | 5:10:47 | 5:17:15 | 5:25:39 | 6:08:07 | 4:58:11 |
| F35-39 | 42 | 4:42:53 | 5:05:47 | 5:20:20 | 5:32:52 | 6:09:42 | 4:42:53 |
| F40-44 | 44 | 5:00:27 | 5:06:07 | 5:11:37 | 5:27:59 | 6:15:08 | 5:00:27 |
| F45-49 | 27 | 5:01:09 | 5:15:58 | 5:17:20 | 5:27:07 | 6:22:15 | 5:01:09 |
| F50-54 | 22 | 5:17:58 | 5:23:18 | 5:28:53 | 5:42:52 | 6:00:20 | 5:17:58 |
| F55-59 | 9 | 5:23:47 | 5:23:47 | 5:23:47 | 5:40:24 | 6:22:02 | 5:23:47 |
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.