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 | 1,844 | 3:59:04 | 4:42:22 | 4:58:47 | 5:26:44 | 6:18:04 | 3:45:37 |
| MPRO | 40 | 3:45:37 | 3:45:47 | 3:48:35 | 3:51:23 | 3:59:20 | 3:45:37 |
| M18-24 | 235 | 4:24:53 | 4:39:22 | 4:59:32 | 5:29:37 | 6:15:21 | 4:24:07 |
| M25-29 | 282 | 4:32:02 | 4:50:03 | 5:08:57 | 5:35:26 | 6:22:11 | 4:12:19 |
| M30-34 | 254 | 4:28:23 | 4:44:25 | 4:56:13 | 5:20:14 | 6:03:29 | 4:11:00 |
| M35-39 | 219 | 4:24:08 | 4:46:15 | 4:57:50 | 5:16:20 | 6:14:37 | 4:16:00 |
| M40-44 | 235 | 4:25:17 | 4:47:28 | 5:08:58 | 5:32:51 | 6:18:00 | 4:19:34 |
| M45-49 | 156 | 4:30:16 | 4:51:47 | 4:58:02 | 5:24:50 | 6:16:23 | 4:26:44 |
| M50-54 | 147 | 4:44:41 | 4:57:37 | 5:10:12 | 5:26:50 | 6:19:46 | 4:44:34 |
| M55-59 | 132 | 4:56:40 | 5:13:53 | 5:24:09 | 5:45:05 | 6:26:40 | 4:41:17 |
| M60-64 | 89 | 4:49:33 | 5:18:28 | 5:27:50 | 6:05:13 | 6:55:39 | 4:49:33 |
| M65-69 | 39 | 5:20:24 | 5:30:37 | 5:53:43 | 6:12:49 | 6:51:56 | 5:20:24 |
| M70-74 | 11 | 5:48:39 | 5:48:39 | 5:53:53 | 5:57:26 | 7:52:27 | 5:48:39 |
| M75-79 | 5 | 7:50:23 | 7:50:23 | 7:50:23 | 7:50:23 | 8:13:22 | 7:50:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 650 | 4:27:54 | 4:55:35 | 5:15:42 | 5:41:06 | 6:35:32 | 4:16:42 |
| FPRO | 22 | 4:16:42 | 4:18:47 | 4:20:02 | 4:26:42 | 4:35:28 | 4:16:42 |
| F18-24 | 58 | 5:16:29 | 5:24:52 | 5:41:36 | 5:49:43 | 6:39:53 | 5:16:29 |
| F25-29 | 106 | 4:39:06 | 4:54:12 | 5:13:27 | 5:36:37 | 6:26:58 | 4:30:27 |
| F30-34 | 85 | 4:33:21 | 5:00:36 | 5:12:21 | 5:34:02 | 6:27:07 | 4:33:21 |
| F35-39 | 82 | 4:53:44 | 5:04:33 | 5:16:32 | 5:38:05 | 6:32:20 | 4:53:44 |
| F40-44 | 91 | 4:42:51 | 5:05:04 | 5:21:07 | 5:36:24 | 6:43:07 | 4:42:51 |
| F45-49 | 69 | 4:59:57 | 5:13:01 | 5:29:26 | 5:45:41 | 6:41:11 | 4:59:57 |
| F50-54 | 52 | 5:02:51 | 5:26:27 | 5:38:55 | 5:54:59 | 6:32:07 | 5:02:51 |
| F55-59 | 41 | 5:42:29 | 5:50:30 | 5:58:38 | 6:16:23 | 7:02:02 | 5:42:29 |
| F60-64 | 27 | 5:42:46 | 5:44:51 | 5:46:31 | 6:14:33 | 6:52:23 | 5:42:46 |
| F65-69 | 14 | 5:50:11 | 5:50:11 | 6:10:03 | 6:28:04 | 7:11:13 | 5:50:11 |
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.