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 | 1,138 | 4:25:11 | 4:46:59 | 4:57:00 | 5:15:50 | 5:56:01 | 4:03:40 |
| MPRO | 6 | 4:03:40 | 4:03:40 | 4:03:40 | 4:03:42 | 4:12:19 | 4:03:40 |
| M18-24 | 10 | 4:23:44 | 4:23:44 | 4:23:44 | 4:24:20 | 4:57:52 | 4:23:44 |
| M25-29 | 53 | 4:18:34 | 4:33:51 | 4:45:48 | 4:57:23 | 5:38:50 | 4:18:34 |
| M30-34 | 119 | 4:21:53 | 4:28:10 | 4:43:53 | 4:55:32 | 5:49:18 | 4:21:24 |
| M35-39 | 181 | 4:33:37 | 4:42:26 | 4:53:36 | 5:06:06 | 5:50:04 | 4:29:29 |
| M40-44 | 259 | 4:39:15 | 4:51:17 | 5:01:22 | 5:14:28 | 5:48:15 | 4:36:15 |
| M45-49 | 249 | 4:42:23 | 4:55:14 | 5:08:32 | 5:23:00 | 6:00:20 | 4:40:54 |
| M50-54 | 144 | 4:44:15 | 4:58:16 | 5:11:13 | 5:23:38 | 6:09:31 | 4:43:39 |
| M55-59 | 64 | 4:59:35 | 5:24:43 | 5:27:43 | 5:41:38 | 6:11:40 | 4:59:35 |
| M60-64 | 34 | 5:23:22 | 5:28:35 | 5:29:24 | 5:42:12 | 5:54:38 | 5:23:22 |
| M65-69 | 10 | 5:51:13 | 5:51:13 | 5:51:13 | 6:00:13 | 6:28:50 | 5:51:13 |
| M70-74 | 6 | 6:18:06 | 6:18:06 | 6:18:06 | 6:48:58 | 7:01:48 | 6:18:06 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 136 | 4:40:24 | 5:02:07 | 5:18:52 | 5:35:43 | 6:14:46 | 4:37:33 |
| F25-29 | 8 | 5:18:52 | 5:18:52 | 5:18:52 | 5:24:55 | 5:55:26 | 5:18:52 |
| F30-34 | 19 | 5:01:40 | 5:01:40 | 5:06:39 | 5:18:29 | 5:43:18 | 5:01:40 |
| F35-39 | 27 | 4:41:27 | 5:19:42 | 5:25:49 | 5:48:01 | 6:15:26 | 4:41:27 |
| F40-44 | 22 | 5:00:38 | 5:12:38 | 5:17:32 | 5:29:36 | 6:11:20 | 5:00:38 |
| F45-49 | 31 | 5:23:06 | 5:27:27 | 5:35:48 | 5:41:37 | 6:23:57 | 5:23:06 |
| F50-54 | 11 | 5:23:59 | 5:23:59 | 5:35:43 | 5:55:00 | 6:23:18 | 5:23:59 |
| F55-59 | 7 | 6:09:41 | 6:09:41 | 6:09:41 | 6:24:18 | 6:38:23 | 6:09:41 |
| F60-64 | 5 | 6:24:15 | 6:24:15 | 6:24:15 | 6:24:15 | 6:54:25 | 6:24:15 |
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.