Editions: 2016
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 | 205 | 4:37:01 | 4:57:59 | 5:09:12 | 5:33:03 | 6:18:33 | 4:12:54 |
| M25-29 | 6 | 4:45:12 | 4:45:12 | 4:45:12 | 5:01:04 | 6:10:47 | 4:45:12 |
| M30-34 | 22 | 4:51:41 | 4:57:59 | 4:58:13 | 5:07:29 | 5:56:40 | 4:51:41 |
| M35-39 | 29 | 4:52:25 | 4:52:57 | 5:05:58 | 5:45:21 | 6:22:47 | 4:52:25 |
| M40-44 | 52 | 4:53:58 | 5:07:30 | 5:15:34 | 5:30:52 | 6:18:33 | 4:53:58 |
| M45-49 | 38 | 5:13:26 | 5:16:15 | 5:23:22 | 5:39:48 | 6:23:17 | 5:13:26 |
| M50-54 | 34 | 4:57:39 | 5:11:43 | 5:31:04 | 5:43:27 | 6:07:02 | 4:57:39 |
| M55-59 | 10 | 5:07:13 | 5:07:13 | 5:07:13 | 5:49:29 | 6:27:08 | 5:07:13 |
| M60-64 | 7 | 6:15:54 | 6:15:54 | 6:15:54 | 6:20:32 | 6:35:13 | 6:15:54 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 20 | 4:33:33 | 4:33:33 | 5:22:52 | 5:43:12 | 6:25:15 | 4:33:33 |
| F40-44 | 6 | 5:46:58 | 5:46:58 | 5:46:58 | 6:08:57 | 6:21:51 | 5:46:58 |
| F45-49 | 6 | 5:43:12 | 5:43:12 | 5:43:12 | 5:56:55 | 6:53:15 | 5:43:12 |
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.