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 | 128 | 4:51:13 | 5:10:24 | 5:24:07 | 5:50:30 | 6:31:16 | 4:43:14 |
| M25-29 | 6 | 4:51:13 | 4:51:13 | 4:51:13 | 6:06:24 | 6:15:56 | 4:51:13 |
| M30-34 | 17 | 5:03:11 | 5:03:11 | 5:08:12 | 5:39:05 | 6:12:09 | 5:03:11 |
| M35-39 | 13 | 4:43:14 | 4:43:14 | 4:58:10 | 5:17:05 | 6:10:13 | 4:43:14 |
| M40-44 | 27 | 4:57:50 | 5:10:24 | 5:10:58 | 5:35:55 | 6:21:17 | 4:57:50 |
| M45-49 | 21 | 5:42:24 | 5:54:42 | 5:59:45 | 6:00:51 | 6:33:33 | 5:42:24 |
| M50-54 | 17 | 5:12:40 | 5:12:40 | 5:37:55 | 5:46:33 | 6:50:14 | 5:12:40 |
| M55-59 | 16 | 5:26:11 | 5:26:11 | 5:53:32 | 6:18:23 | 6:51:19 | 5:26:11 |
| M60-64 | 6 | 5:43:18 | 5:43:18 | 5:43:18 | 6:41:46 | 7:14:25 | 5:43:18 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 38 | 5:15:58 | 5:18:46 | 6:03:31 | 6:18:00 | 6:50:34 | 5:15:58 |
| F30-34 | 7 | 5:15:58 | 5:15:58 | 5:15:58 | 5:18:46 | 6:39:54 | 5:15:58 |
| F35-39 | 6 | 5:56:58 | 5:56:58 | 5:56:58 | 6:13:48 | 6:16:27 | 5:56:58 |
| F40-44 | 7 | 6:03:31 | 6:03:31 | 6:03:31 | 6:22:02 | 7:04:45 | 6:03:31 |
| F45-49 | 7 | 6:20:09 | 6:20:09 | 6:20:09 | 6:22:06 | 6:50:34 | 6:20:09 |
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.