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.
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 2,239 | 4:38:59 | 5:12:15 | 5:24:33 | 5:40:51 | 6:12:40 | 4:14:54 |
| FPRO | 45 | 4:14:54 | 4:22:07 | 4:23:55 | 4:30:01 | 4:38:59 | 4:14:54 |
| F18-24 | 160 | 4:55:39 | 5:08:09 | 5:20:33 | 5:32:05 | 5:58:05 | 4:55:22 |
| F25-29 | 281 | 4:58:26 | 5:07:34 | 5:13:16 | 5:22:45 | 5:52:36 | 4:54:15 |
| F30-34 | 348 | 5:00:55 | 5:11:57 | 5:20:43 | 5:28:48 | 5:53:48 | 4:58:13 |
| F35-39 | 282 | 5:06:43 | 5:18:05 | 5:28:18 | 5:37:55 | 6:02:53 | 4:59:30 |
| F40-44 | 299 | 5:03:14 | 5:25:47 | 5:38:08 | 5:48:17 | 6:12:40 | 4:59:30 |
| F45-49 | 290 | 5:10:31 | 5:36:50 | 5:41:50 | 5:54:28 | 6:22:12 | 4:52:35 |
| F50-54 | 217 | 5:24:08 | 5:40:44 | 5:49:32 | 6:03:03 | 6:30:48 | 5:20:34 |
| F55-59 | 163 | 5:35:16 | 5:45:42 | 6:01:15 | 6:20:30 | 6:49:03 | 5:25:36 |
| F60-64 | 103 | 6:02:16 | 6:17:39 | 6:28:27 | 6:42:25 | 7:06:34 | 5:55:12 |
| F65-69 | 43 | 6:11:37 | 6:30:39 | 6:38:57 | 7:05:30 | 7:33:06 | 6:11:37 |
| F70-74 | 7 | 7:17:28 | 7:17:28 | 7:17:28 | 7:38:07 | 7:54:06 | 7:17:28 |
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.