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 | 758 | 3:38:31 | 4:15:28 | 4:32:47 | 4:50:23 | 5:41:09 | 3:32:21 |
| MPRO | 19 | 3:32:21 | 3:32:21 | 3:32:37 | 3:36:01 | 3:43:10 | 3:32:21 |
| M18-24 | 24 | 3:50:50 | 4:15:03 | 4:36:50 | 5:02:06 | 5:56:43 | 3:50:50 |
| M25-29 | 51 | 3:57:17 | 4:17:06 | 4:29:39 | 4:45:27 | 5:43:01 | 3:57:17 |
| M30-34 | 114 | 4:02:00 | 4:13:20 | 4:33:43 | 4:49:11 | 5:43:14 | 3:45:36 |
| M35-39 | 176 | 4:04:07 | 4:16:14 | 4:30:44 | 4:46:13 | 5:32:43 | 4:00:47 |
| M40-44 | 158 | 4:15:28 | 4:22:41 | 4:33:51 | 4:47:11 | 5:37:33 | 3:47:00 |
| M45-49 | 101 | 4:26:48 | 4:38:11 | 4:45:53 | 5:01:03 | 5:46:32 | 4:23:01 |
| M50-54 | 61 | 4:16:14 | 4:47:53 | 4:51:20 | 5:00:54 | 5:44:33 | 4:16:14 |
| M55-59 | 38 | 4:36:29 | 4:48:03 | 4:56:16 | 5:15:55 | 5:57:23 | 4:36:29 |
| M60-64 | 12 | 4:49:03 | 4:49:03 | 5:02:50 | 5:26:19 | 6:03:13 | 4:49:03 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 131 | 3:57:18 | 4:20:23 | 4:53:05 | 5:20:24 | 6:04:24 | 3:56:56 |
| FPRO | 8 | 3:56:56 | 3:56:56 | 3:56:56 | 3:57:18 | 4:07:13 | 3:56:56 |
| F18-24 | 5 | 5:36:34 | 5:36:34 | 5:36:34 | 5:36:34 | 6:13:56 | 5:36:34 |
| F25-29 | 11 | 4:23:28 | 4:23:28 | 4:33:28 | 4:53:56 | 6:00:44 | 4:23:28 |
| F30-34 | 15 | 4:26:33 | 4:26:33 | 4:39:06 | 5:07:57 | 5:31:53 | 4:26:33 |
| F35-39 | 31 | 4:20:40 | 4:42:35 | 4:53:24 | 5:03:43 | 6:04:24 | 4:20:40 |
| F40-44 | 24 | 5:08:46 | 5:20:24 | 5:21:08 | 5:42:43 | 6:16:54 | 5:08:46 |
| F45-49 | 16 | 5:11:52 | 5:11:52 | 5:31:02 | 5:58:10 | 6:21:24 | 5:11:52 |
| F50-54 | 14 | 5:17:12 | 5:17:12 | 5:28:15 | 5:39:40 | 6:19:58 | 5:17:12 |
| F55-59 | 7 | 5:16:54 | 5:16:54 | 5:16:54 | 5:37:58 | 6:13:00 | 5:16:54 |
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.