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 | 738 | 4:42:54 | 4:56:20 | 5:06:12 | 5:27:10 | 6:05:04 | 4:20:53 |
| M18-24 | 40 | 4:20:53 | 4:51:09 | 5:08:06 | 5:27:30 | 6:08:14 | 4:20:53 |
| M25-29 | 85 | 4:42:54 | 4:59:22 | 5:07:45 | 5:19:47 | 5:58:39 | 4:42:54 |
| M30-34 | 105 | 4:37:20 | 4:47:25 | 4:55:56 | 5:15:31 | 5:54:16 | 4:37:02 |
| M35-39 | 92 | 4:47:21 | 4:53:44 | 5:07:44 | 5:20:36 | 5:56:34 | 4:47:21 |
| M40-44 | 139 | 4:44:52 | 4:54:55 | 5:04:30 | 5:25:56 | 5:54:58 | 4:31:53 |
| M45-49 | 106 | 4:42:21 | 4:57:49 | 5:06:03 | 5:27:22 | 6:06:45 | 4:38:16 |
| M50-54 | 86 | 4:54:42 | 5:02:06 | 5:18:09 | 5:41:18 | 6:23:50 | 4:54:42 |
| M55-59 | 53 | 4:56:20 | 5:17:54 | 5:29:54 | 5:42:34 | 6:15:37 | 4:56:20 |
| M60-64 | 25 | 5:04:33 | 5:22:35 | 5:35:14 | 5:43:45 | 6:31:50 | 5:04:33 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 327 | 5:07:51 | 5:24:44 | 5:35:31 | 5:54:21 | 6:33:16 | 4:58:37 |
| F18-24 | 16 | 5:19:52 | 5:19:52 | 5:29:52 | 5:47:31 | 6:37:25 | 5:19:52 |
| F25-29 | 42 | 5:18:42 | 5:27:43 | 5:41:41 | 5:58:17 | 6:22:44 | 5:18:42 |
| F30-34 | 52 | 5:16:48 | 5:27:30 | 5:35:17 | 5:44:57 | 6:22:29 | 5:16:48 |
| F35-39 | 69 | 4:58:37 | 5:23:02 | 5:35:31 | 5:54:30 | 6:21:03 | 4:58:37 |
| F40-44 | 48 | 5:03:31 | 5:16:44 | 5:22:28 | 5:43:19 | 6:32:42 | 5:03:31 |
| F45-49 | 44 | 5:03:01 | 5:23:49 | 5:28:00 | 5:51:59 | 6:38:15 | 5:03:01 |
| F50-54 | 31 | 5:27:57 | 5:49:58 | 5:54:28 | 6:11:21 | 6:38:18 | 5:27:57 |
| F55-59 | 18 | 5:48:05 | 5:48:05 | 5:48:42 | 6:06:39 | 7:03:26 | 5:48:05 |
| F60-64 | 7 | 6:16:32 | 6:16:32 | 6:16:32 | 6:36:44 | 6:53:47 | 6:16:32 |
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.