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 | 2,337 | 9:33:38 | 10:16:48 | 10:51:11 | 11:29:05 | 12:44:50 | 8:25:27 |
| MPRO | 24 | 8:25:27 | 8:26:01 | 8:39:09 | 8:46:31 | 9:16:33 | 8:25:27 |
| M | 2,313 | 9:48:29 | 10:24:16 | 10:53:51 | 11:31:42 | 12:45:49 | 9:08:47 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 14 | 9:20:21 | 9:20:21 | 9:23:57 | 9:38:23 | 10:04:03 | 9:20:21 |
| FPRO | 14 | 9:20:21 | 9:20:21 | 9:23:57 | 9:38:23 | 10:04:03 | 9:20:21 |
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.