Editions: 2017
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 | 91 | 4:46:19 | 5:02:18 | 5:28:44 | 5:52:08 | 6:44:36 | 4:46:19 |
| M18-24 | 7 | 4:46:19 | 4:46:19 | 4:46:19 | 4:49:12 | 5:30:49 | 4:46:19 |
| M30-34 | 13 | 4:50:23 | 4:50:23 | 5:15:59 | 5:19:01 | 6:32:04 | 4:50:23 |
| M35-39 | 20 | 4:56:20 | 4:56:20 | 5:26:52 | 6:06:37 | 6:34:12 | 4:56:20 |
| M40-44 | 15 | 5:35:43 | 5:35:43 | 5:39:50 | 5:44:11 | 6:39:42 | 5:35:43 |
| M45-49 | 15 | 5:49:40 | 5:49:40 | 5:52:59 | 5:58:50 | 7:10:59 | 5:49:40 |
| M50-54 | 12 | 5:39:16 | 5:39:16 | 5:52:08 | 6:00:44 | 6:51:38 | 5:39:16 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 20 | 5:19:38 | 5:19:38 | 5:23:40 | 5:47:23 | 6:43:25 | 5:19:38 |
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.