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 | 1,984 | 8:44:51 | 9:14:42 | 9:32:21 | 9:57:05 | 10:59:22 | 7:45:58 |
| MPRO | 19 | 7:45:58 | 7:45:58 | 7:57:39 | 8:11:30 | 8:39:56 | 7:45:58 |
| M18-24 | 32 | 8:58:37 | 9:04:49 | 9:08:07 | 9:42:44 | 10:24:53 | 8:58:37 |
| M25-29 | 144 | 8:55:34 | 9:16:35 | 9:32:28 | 9:50:55 | 10:44:08 | 8:49:05 |
| M30-34 | 310 | 8:44:31 | 9:00:06 | 9:18:07 | 9:39:20 | 10:38:19 | 8:31:37 |
| M35-39 | 357 | 8:52:56 | 9:09:31 | 9:27:33 | 9:48:46 | 10:45:51 | 8:33:42 |
| M40-44 | 479 | 8:48:28 | 9:16:32 | 9:34:15 | 9:51:27 | 10:54:07 | 8:34:21 |
| M45-49 | 340 | 9:14:37 | 9:29:52 | 9:52:21 | 10:09:04 | 11:18:27 | 8:59:59 |
| M50-54 | 206 | 9:35:57 | 10:09:18 | 10:24:12 | 10:47:16 | 11:38:06 | 9:25:42 |
| M55-59 | 54 | 9:49:37 | 10:03:49 | 10:30:05 | 10:42:59 | 12:01:01 | 9:49:37 |
| M60-64 | 30 | 10:23:02 | 10:37:55 | 10:58:32 | 11:46:24 | 12:51:47 | 10:23:02 |
| M65-69 | 10 | 11:46:31 | 11:46:31 | 11:46:31 | 12:07:58 | 13:42:54 | 11:46:31 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 355 | 8:56:11 | 9:43:07 | 10:07:17 | 10:44:51 | 12:09:28 | 8:43:34 |
| FPRO | 12 | 8:43:34 | 8:43:34 | 8:51:10 | 8:53:34 | 9:11:36 | 8:43:34 |
| F25-29 | 28 | 9:29:49 | 9:47:13 | 9:49:23 | 10:01:31 | 11:44:00 | 9:29:49 |
| F30-34 | 68 | 9:32:13 | 9:51:17 | 9:59:44 | 10:28:57 | 11:29:37 | 9:32:13 |
| F35-39 | 63 | 9:14:16 | 9:50:08 | 10:08:35 | 10:38:16 | 12:08:04 | 9:14:16 |
| F40-44 | 85 | 9:18:57 | 10:25:44 | 10:47:48 | 11:04:16 | 12:14:11 | 9:18:57 |
| F45-49 | 55 | 10:12:26 | 10:24:41 | 10:41:14 | 11:13:37 | 12:28:26 | 10:12:26 |
| F50-54 | 27 | 10:42:29 | 10:44:09 | 10:46:05 | 11:07:20 | 12:52:55 | 10:42:29 |
| F55-59 | 11 | 11:14:50 | 11:14:50 | 11:45:34 | 12:19:17 | 13:49:56 | 11:14:50 |
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.