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 | 1,607 | 4:07:39 | 4:30:52 | 4:39:32 | 4:54:22 | 5:23:27 | 3:44:13 |
| MPRO | 29 | 3:44:13 | 3:51:04 | 3:51:37 | 3:55:05 | 4:06:35 | 3:44:13 |
| M18-24 | 44 | 4:17:06 | 4:21:15 | 4:26:18 | 4:38:25 | 5:17:39 | 4:17:06 |
| M25-29 | 142 | 4:16:03 | 4:27:31 | 4:35:22 | 4:45:17 | 5:12:46 | 4:10:18 |
| M30-34 | 278 | 4:24:06 | 4:31:32 | 4:37:09 | 4:48:09 | 5:18:04 | 4:13:41 |
| M35-39 | 331 | 4:17:29 | 4:30:45 | 4:38:26 | 4:54:13 | 5:23:42 | 4:07:37 |
| M40-44 | 333 | 4:24:30 | 4:36:22 | 4:43:02 | 4:55:26 | 5:17:12 | 4:20:50 |
| M45-49 | 263 | 4:34:26 | 4:46:31 | 4:52:27 | 5:02:52 | 5:31:18 | 4:29:30 |
| M50-54 | 117 | 4:35:27 | 4:44:09 | 5:00:50 | 5:11:40 | 5:33:38 | 4:34:02 |
| M55-59 | 47 | 4:32:32 | 4:51:16 | 4:54:47 | 4:59:57 | 5:47:03 | 4:32:32 |
| M60-64 | 11 | 4:57:24 | 4:57:24 | 5:23:23 | 5:28:02 | 6:05:53 | 4:57:24 |
| M65-69 | 7 | 5:16:03 | 5:16:03 | 5:16:03 | 5:23:39 | 5:56:37 | 5:16:03 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 311 | 4:20:44 | 4:45:04 | 4:58:53 | 5:14:27 | 5:43:34 | 4:08:52 |
| FPRO | 13 | 4:08:52 | 4:08:52 | 4:12:17 | 4:19:53 | 4:28:30 | 4:08:52 |
| F18-24 | 12 | 5:13:09 | 5:13:09 | 5:13:39 | 5:14:48 | 5:49:25 | 5:13:09 |
| F25-29 | 43 | 4:43:34 | 4:54:09 | 4:58:53 | 5:11:22 | 5:52:21 | 4:43:34 |
| F30-34 | 89 | 4:47:20 | 4:56:00 | 5:02:46 | 5:11:03 | 5:36:19 | 4:47:20 |
| F35-39 | 52 | 4:41:52 | 4:53:07 | 5:00:38 | 5:17:59 | 5:47:45 | 4:41:52 |
| F40-44 | 47 | 4:27:34 | 4:54:15 | 5:13:19 | 5:25:11 | 5:46:42 | 4:27:34 |
| F45-49 | 37 | 4:49:41 | 5:02:07 | 5:17:56 | 5:30:01 | 5:52:36 | 4:49:41 |
| F50-54 | 16 | 5:10:34 | 5:10:34 | 5:21:41 | 5:31:32 | 5:56:51 | 5:10:34 |
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.