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 | 237 | 4:09:44 | 4:23:39 | 4:42:52 | 5:00:52 | 5:46:55 | 3:59:52 |
| M18-24 | 18 | 4:18:50 | 4:18:50 | 4:34:30 | 4:57:29 | 5:38:35 | 4:18:50 |
| M25-29 | 18 | 4:23:34 | 4:23:34 | 4:39:06 | 4:46:28 | 5:07:31 | 4:23:34 |
| M30-34 | 27 | 4:18:20 | 4:41:38 | 4:43:39 | 4:56:39 | 5:39:49 | 4:18:20 |
| M35-39 | 40 | 3:59:52 | 4:09:44 | 4:20:13 | 4:50:45 | 5:54:28 | 3:59:52 |
| M40-44 | 42 | 4:00:40 | 4:18:46 | 4:39:40 | 4:56:18 | 5:22:27 | 4:00:40 |
| M45-49 | 43 | 4:24:14 | 4:38:56 | 4:52:29 | 5:01:34 | 5:49:05 | 4:24:14 |
| M50-54 | 22 | 4:58:33 | 5:00:30 | 5:10:34 | 5:15:30 | 6:04:05 | 4:58:33 |
| M55-59 | 17 | 5:00:06 | 5:00:06 | 5:09:19 | 5:20:38 | 6:13:38 | 5:00:06 |
| M60-64 | 9 | 5:22:50 | 5:22:50 | 5:22:50 | 5:36:40 | 6:39:10 | 5:22:50 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 43 | 4:53:24 | 5:12:20 | 5:19:25 | 5:31:47 | 5:59:42 | 4:53:24 |
| F25-29 | 6 | 5:12:20 | 5:12:20 | 5:12:20 | 5:19:09 | 5:34:02 | 5:12:20 |
| F30-34 | 5 | 5:00:05 | 5:00:05 | 5:00:05 | 5:00:05 | 5:39:22 | 5:00:05 |
| F40-44 | 9 | 5:19:25 | 5:19:25 | 5:19:25 | 5:30:09 | 5:55:08 | 5:19:25 |
| F45-49 | 8 | 5:34:35 | 5:34:35 | 5:34:35 | 5:38:24 | 6:33:46 | 5:34:35 |
| F50-54 | 6 | 5:29:42 | 5:29:42 | 5:29:42 | 5:56:10 | 6:25:13 | 5:29:42 |
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.