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 | 1,192 | 4:12:56 | 4:44:47 | 5:04:42 | 5:25:44 | 6:10:34 | 3:53:50 |
| MPRO | 9 | 3:53:50 | 3:53:50 | 3:53:50 | 3:54:53 | 3:59:37 | 3:53:50 |
| M18-24 | 74 | 4:33:34 | 4:41:32 | 4:47:04 | 5:12:10 | 5:47:14 | 4:33:34 |
| M25-29 | 151 | 4:18:14 | 4:37:28 | 4:56:55 | 5:19:54 | 6:09:22 | 4:02:50 |
| M30-34 | 184 | 4:23:51 | 4:49:45 | 5:01:42 | 5:27:41 | 6:06:17 | 4:03:03 |
| M35-39 | 208 | 4:15:06 | 4:43:03 | 5:04:35 | 5:25:51 | 6:13:52 | 4:08:07 |
| M40-44 | 194 | 4:36:36 | 4:53:11 | 5:05:05 | 5:22:46 | 6:04:49 | 4:13:11 |
| M45-49 | 161 | 4:32:00 | 5:01:04 | 5:10:17 | 5:28:35 | 6:16:01 | 4:31:32 |
| M50-54 | 100 | 4:36:47 | 4:55:04 | 5:15:20 | 5:36:19 | 6:16:39 | 4:36:47 |
| M55-59 | 69 | 4:50:41 | 5:29:47 | 5:33:46 | 5:58:28 | 6:28:57 | 4:50:41 |
| M60-64 | 26 | 4:54:18 | 5:08:57 | 5:15:50 | 5:29:13 | 6:26:19 | 4:54:18 |
| M65-69 | 11 | 5:31:40 | 5:31:40 | 6:00:41 | 6:08:57 | 6:29:50 | 5:31:40 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 396 | 4:44:05 | 5:13:25 | 5:30:14 | 5:53:29 | 6:30:46 | 4:21:14 |
| F18-24 | 21 | 5:00:43 | 5:05:01 | 5:10:30 | 5:36:47 | 6:18:56 | 5:00:43 |
| F25-29 | 79 | 4:36:16 | 5:28:53 | 5:39:15 | 5:57:27 | 6:36:23 | 4:36:16 |
| F30-34 | 68 | 4:54:18 | 5:19:56 | 5:23:01 | 5:44:08 | 6:31:42 | 4:54:18 |
| F35-39 | 76 | 4:51:57 | 5:03:41 | 5:26:13 | 5:42:49 | 6:27:22 | 4:51:57 |
| F40-44 | 56 | 4:58:36 | 5:26:59 | 5:49:55 | 5:58:31 | 6:30:46 | 4:58:36 |
| F45-49 | 44 | 5:11:04 | 5:18:49 | 5:38:25 | 5:47:55 | 6:24:32 | 5:11:04 |
| F50-54 | 27 | 5:32:49 | 5:41:28 | 5:44:40 | 6:07:08 | 6:41:06 | 5:32:49 |
| F55-59 | 18 | 5:22:03 | 5:22:03 | 5:31:52 | 5:50:41 | 6:30:29 | 5:22:03 |
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.