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 | 443 | 4:37:27 | 4:54:28 | 5:08:04 | 5:26:24 | 6:11:02 | 4:23:06 |
| M18-24 | 43 | 4:47:19 | 4:55:00 | 4:59:40 | 5:23:55 | 6:12:18 | 4:47:19 |
| M25-29 | 58 | 4:23:06 | 4:37:21 | 4:47:08 | 5:11:47 | 5:54:05 | 4:23:06 |
| M30-34 | 67 | 4:37:45 | 4:51:47 | 5:01:11 | 5:20:23 | 6:14:53 | 4:37:45 |
| M35-39 | 76 | 4:37:27 | 4:43:28 | 4:58:28 | 5:16:03 | 5:57:07 | 4:37:27 |
| M40-44 | 72 | 4:52:52 | 5:09:03 | 5:23:57 | 5:35:13 | 6:10:48 | 4:52:52 |
| M45-49 | 63 | 4:29:41 | 5:00:23 | 5:18:20 | 5:36:50 | 6:09:38 | 4:29:41 |
| M50-54 | 29 | 5:06:02 | 5:16:56 | 5:27:36 | 5:42:46 | 6:25:40 | 5:06:02 |
| M55-59 | 19 | 5:27:25 | 5:27:25 | 5:29:09 | 6:07:11 | 7:20:32 | 5:27:25 |
| M60-64 | 12 | 5:32:11 | 5:32:11 | 5:34:32 | 5:42:56 | 6:35:37 | 5:32:11 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 77 | 5:07:13 | 5:24:41 | 5:35:21 | 5:49:19 | 6:27:04 | 5:07:13 |
| F18-24 | 8 | 5:21:02 | 5:21:02 | 5:21:02 | 5:35:21 | 6:30:08 | 5:21:02 |
| F25-29 | 23 | 5:07:13 | 5:24:41 | 5:32:55 | 5:39:07 | 6:05:56 | 5:07:13 |
| F30-34 | 10 | 5:10:46 | 5:10:46 | 5:10:46 | 5:32:50 | 5:51:54 | 5:10:46 |
| F35-39 | 9 | 5:49:41 | 5:49:41 | 5:49:41 | 6:13:26 | 7:04:25 | 5:49:41 |
| F40-44 | 12 | 5:27:38 | 5:27:38 | 5:45:30 | 5:49:19 | 6:45:08 | 5:27:38 |
| F45-49 | 7 | 5:46:19 | 5:46:19 | 5:46:19 | 5:53:25 | 6:22:51 | 5:46:19 |
| F50-54 | 6 | 6:05:45 | 6:05:45 | 6:05:45 | 6:40:23 | 7:01:14 | 6:05:45 |
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.