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 | 1,745 | 4:24:01 | 4:48:57 | 5:04:34 | 5:23:21 | 6:01:48 | 3:42:13 |
| MPRO | 7 | 3:42:13 | 3:42:13 | 3:42:13 | 3:50:12 | 3:56:34 | 3:42:13 |
| M18-24 | 57 | 4:16:04 | 4:26:17 | 4:37:36 | 5:08:10 | 5:57:39 | 4:16:04 |
| M25-29 | 148 | 4:27:32 | 4:47:25 | 4:55:24 | 5:09:06 | 5:44:23 | 4:19:35 |
| M30-34 | 258 | 4:13:34 | 4:32:32 | 4:51:24 | 5:13:32 | 5:51:30 | 4:04:25 |
| M35-39 | 288 | 4:29:30 | 5:00:02 | 5:08:04 | 5:20:57 | 5:58:56 | 4:21:10 |
| M40-44 | 367 | 4:32:14 | 4:45:44 | 5:04:25 | 5:26:08 | 6:02:54 | 4:29:54 |
| M45-49 | 301 | 4:45:01 | 4:54:53 | 5:11:55 | 5:27:07 | 6:03:28 | 4:37:59 |
| M50-54 | 185 | 4:47:22 | 5:12:51 | 5:20:24 | 5:35:45 | 6:15:51 | 4:45:49 |
| M55-59 | 80 | 4:46:33 | 5:11:06 | 5:25:24 | 5:40:59 | 6:23:55 | 4:46:33 |
| M60-64 | 46 | 5:19:56 | 5:30:23 | 5:39:39 | 6:07:27 | 6:37:28 | 5:19:56 |
| M65-69 | 5 | 5:30:03 | 5:30:03 | 5:30:03 | 5:30:03 | 6:13:54 | 5:30:03 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 511 | 4:52:00 | 5:17:34 | 5:35:07 | 5:55:19 | 6:32:50 | 4:24:41 |
| FPRO | 6 | 4:24:41 | 4:24:41 | 4:24:41 | 4:28:19 | 4:30:12 | 4:24:41 |
| F18-24 | 10 | 4:56:17 | 4:56:17 | 4:56:17 | 5:09:47 | 6:13:11 | 4:56:17 |
| F25-29 | 65 | 5:01:56 | 5:12:30 | 5:31:17 | 5:45:01 | 6:12:14 | 5:01:56 |
| F30-34 | 84 | 5:03:08 | 5:14:03 | 5:25:44 | 5:38:40 | 6:24:40 | 5:03:08 |
| F35-39 | 83 | 5:01:41 | 5:28:30 | 5:48:11 | 6:03:21 | 6:35:13 | 5:01:41 |
| F40-44 | 98 | 4:52:00 | 5:16:37 | 5:38:33 | 6:04:11 | 6:45:13 | 4:52:00 |
| F45-49 | 84 | 5:31:00 | 5:38:08 | 5:48:01 | 5:58:51 | 6:40:37 | 5:31:00 |
| F50-54 | 46 | 5:17:34 | 5:28:35 | 5:48:05 | 6:11:45 | 6:52:17 | 5:17:34 |
| F55-59 | 29 | 5:47:13 | 5:52:36 | 5:54:31 | 6:09:26 | 6:50:30 | 5:47:13 |
| F60-64 | 5 | 6:16:31 | 6:16:31 | 6:16:31 | 6:16:31 | 6:55:20 | 6:16:31 |
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.