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 | 851 | 3:46:11 | 4:14:44 | 4:25:42 | 4:43:18 | 5:21:28 | 3:33:50 |
| MPRO | 16 | 3:33:50 | 3:33:50 | 3:35:42 | 3:37:51 | 3:44:23 | 3:33:50 |
| M18-24 | 82 | 3:57:14 | 4:15:22 | 4:25:23 | 4:55:29 | 5:45:31 | 3:57:14 |
| M25-29 | 112 | 4:05:14 | 4:14:45 | 4:24:17 | 4:40:22 | 5:11:56 | 3:58:40 |
| M30-34 | 136 | 3:56:32 | 4:10:52 | 4:19:21 | 4:39:57 | 5:19:26 | 3:53:07 |
| M35-39 | 129 | 4:03:30 | 4:17:33 | 4:32:49 | 4:41:36 | 5:17:32 | 4:02:18 |
| M40-44 | 152 | 4:05:25 | 4:18:27 | 4:29:40 | 4:45:48 | 5:19:17 | 3:58:18 |
| M45-49 | 89 | 4:16:04 | 4:19:46 | 4:27:04 | 4:42:56 | 5:15:34 | 4:16:04 |
| M50-54 | 67 | 4:22:04 | 4:37:51 | 4:46:33 | 4:55:06 | 5:29:19 | 4:22:04 |
| M55-59 | 46 | 4:37:52 | 4:46:15 | 4:57:20 | 5:08:10 | 5:30:33 | 4:37:52 |
| M60-64 | 16 | 4:43:17 | 4:43:17 | 4:45:38 | 5:05:53 | 5:49:17 | 4:43:17 |
| M65-69 | 5 | 4:51:23 | 4:51:23 | 4:51:23 | 4:51:23 | 5:27:34 | 4:51:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 198 | 4:07:35 | 4:30:52 | 4:47:20 | 5:05:37 | 5:48:53 | 4:03:58 |
| FPRO | 10 | 4:03:58 | 4:03:58 | 4:03:58 | 4:07:35 | 4:23:22 | 4:03:58 |
| F18-24 | 23 | 4:30:52 | 4:35:31 | 4:48:26 | 5:14:55 | 5:51:15 | 4:30:52 |
| F25-29 | 39 | 4:27:55 | 4:28:37 | 4:52:49 | 4:58:54 | 5:51:59 | 4:27:55 |
| F30-34 | 37 | 4:43:01 | 4:44:09 | 4:52:23 | 5:13:02 | 5:39:39 | 4:43:01 |
| F35-39 | 23 | 4:37:20 | 4:47:05 | 4:49:01 | 4:58:22 | 5:53:02 | 4:37:20 |
| F40-44 | 27 | 4:36:44 | 4:48:55 | 4:59:42 | 5:12:32 | 5:54:05 | 4:36:44 |
| F45-49 | 14 | 5:05:37 | 5:05:37 | 5:09:21 | 5:20:14 | 6:27:28 | 5:05:37 |
| F50-54 | 8 | 5:06:38 | 5:06:38 | 5:06:38 | 5:22:32 | 5:49:30 | 5:06:38 |
| F55-59 | 9 | 5:04:51 | 5:04:51 | 5:04:51 | 5:30:18 | 5:53:56 | 5:04:51 |
| F60-64 | 6 | 5:39:33 | 5:39:33 | 5:39:33 | 5:42:04 | 5:53:08 | 5:39:33 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.