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 | 333 | 4:52:14 | 5:06:48 | 5:25:52 | 5:52:18 | 6:49:00 | 4:40:38 |
| M18-24 | 20 | 4:52:14 | 4:52:14 | 4:58:20 | 5:00:42 | 6:06:51 | 4:52:14 |
| M25-29 | 30 | 4:41:50 | 4:55:10 | 4:56:08 | 5:46:45 | 6:28:20 | 4:41:50 |
| M30-34 | 50 | 4:55:53 | 5:10:48 | 5:22:22 | 5:43:23 | 6:22:29 | 4:55:53 |
| M35-39 | 68 | 4:57:03 | 5:14:42 | 5:32:36 | 5:46:38 | 6:55:39 | 4:57:03 |
| M40-44 | 59 | 4:40:38 | 5:07:01 | 5:21:31 | 5:49:09 | 6:56:58 | 4:40:38 |
| M45-49 | 43 | 5:14:32 | 5:45:09 | 6:03:09 | 6:15:53 | 7:03:43 | 5:14:32 |
| M50-54 | 25 | 4:44:49 | 5:26:57 | 5:38:22 | 5:41:25 | 6:50:41 | 4:44:49 |
| M55-59 | 24 | 5:27:18 | 5:41:50 | 6:01:56 | 6:16:50 | 7:06:06 | 5:27:18 |
| M60-64 | 11 | 5:57:23 | 5:57:23 | 6:06:26 | 6:20:24 | 7:05:01 | 5:57:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 61 | 5:37:14 | 5:43:34 | 5:48:53 | 6:05:30 | 7:17:42 | 5:37:14 |
| F25-29 | 14 | 5:37:14 | 5:37:14 | 5:39:19 | 5:48:53 | 6:44:20 | 5:37:14 |
| F30-34 | 9 | 5:43:34 | 5:43:34 | 5:43:34 | 5:45:23 | 6:46:38 | 5:43:34 |
| F35-39 | 12 | 5:37:21 | 5:37:21 | 5:56:53 | 6:01:47 | 6:58:00 | 5:37:21 |
| F40-44 | 13 | 5:55:02 | 5:55:02 | 6:09:02 | 6:21:14 | 7:33:18 | 5:55:02 |
| F45-49 | 5 | 6:05:30 | 6:05:30 | 6:05:30 | 6:05:30 | 7:51:48 | 6:05:30 |
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.