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 | 1,620 | 4:28:39 | 4:47:37 | 4:58:37 | 5:13:56 | 5:43:35 | 4:01:35 |
| MPRO | 11 | 4:01:35 | 4:01:35 | 4:06:18 | 4:08:34 | 4:14:22 | 4:01:35 |
| M18-24 | 17 | 4:34:02 | 4:34:02 | 4:38:45 | 4:56:23 | 5:24:49 | 4:34:02 |
| M25-29 | 99 | 4:18:15 | 4:51:33 | 5:00:08 | 5:09:03 | 5:37:59 | 4:18:15 |
| M30-34 | 287 | 4:27:58 | 4:44:33 | 4:51:47 | 5:08:19 | 5:39:50 | 4:18:25 |
| M35-39 | 453 | 4:31:12 | 4:51:01 | 4:58:36 | 5:11:58 | 5:36:42 | 4:14:54 |
| M40-44 | 393 | 4:32:57 | 4:49:33 | 4:59:54 | 5:16:15 | 5:46:20 | 4:27:19 |
| M45-49 | 228 | 4:44:29 | 5:00:11 | 5:10:01 | 5:20:34 | 5:54:12 | 4:38:48 |
| M50-54 | 93 | 4:41:53 | 4:56:19 | 5:08:30 | 5:28:02 | 5:59:56 | 4:41:53 |
| M55-59 | 29 | 4:46:32 | 4:52:18 | 5:09:25 | 5:28:22 | 6:13:32 | 4:46:32 |
| M60-64 | 7 | 5:34:37 | 5:34:37 | 5:34:37 | 5:38:19 | 6:31:35 | 5:34:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 352 | 4:40:10 | 5:05:59 | 5:25:32 | 5:43:38 | 6:17:18 | 4:27:09 |
| FPRO | 7 | 4:27:09 | 4:27:09 | 4:27:09 | 4:34:39 | 4:40:10 | 4:27:09 |
| F25-29 | 34 | 4:49:48 | 4:53:00 | 5:13:08 | 5:26:43 | 5:58:28 | 4:49:48 |
| F30-34 | 84 | 4:59:03 | 5:16:13 | 5:27:57 | 5:50:00 | 6:18:37 | 4:59:03 |
| F35-39 | 86 | 5:02:04 | 5:26:30 | 5:38:43 | 5:52:56 | 6:19:20 | 5:02:04 |
| F40-44 | 75 | 4:53:39 | 5:08:22 | 5:22:40 | 5:30:29 | 6:11:32 | 4:53:39 |
| F45-49 | 35 | 5:05:19 | 5:30:27 | 5:42:14 | 5:59:15 | 6:30:32 | 5:05:19 |
| F50-54 | 22 | 5:28:01 | 5:47:44 | 5:50:09 | 5:58:55 | 6:15:07 | 5:28:01 |
| F55-59 | 7 | 5:27:33 | 5:27:33 | 5:27:33 | 6:18:26 | 6:54:11 | 5:27:33 |
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.