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 | 287 | 8:57:37 | 9:30:46 | 9:50:21 | 10:22:40 | 11:43:04 | 8:46:32 |
| M25-29 | 10 | 8:46:32 | 8:46:32 | 8:46:32 | 9:23:43 | 10:20:52 | 8:46:32 |
| M30-34 | 26 | 9:11:42 | 9:31:55 | 9:44:21 | 10:05:58 | 10:25:15 | 9:11:42 |
| M35-39 | 51 | 8:52:32 | 9:24:45 | 9:44:35 | 10:05:39 | 11:17:39 | 8:52:32 |
| M40-44 | 60 | 9:17:37 | 9:30:46 | 9:37:46 | 10:04:07 | 11:04:49 | 9:17:37 |
| M45-49 | 51 | 9:07:51 | 9:25:45 | 10:31:46 | 10:45:38 | 11:47:37 | 9:07:51 |
| M50-54 | 45 | 9:24:51 | 9:50:21 | 9:58:16 | 11:04:13 | 12:17:04 | 9:24:51 |
| M55-59 | 30 | 10:26:51 | 10:36:10 | 10:48:27 | 11:05:13 | 12:23:16 | 10:26:51 |
| M60-64 | 9 | 10:49:16 | 10:49:16 | 10:49:16 | 12:41:30 | 13:42:08 | 10:49:16 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 21 | 9:47:43 | 9:57:06 | 9:58:05 | 10:33:38 | 11:33:39 | 9:47:43 |
| F40-44 | 5 | 9:57:06 | 9:57:06 | 9:57:06 | 9:57:06 | 13:10:09 | 9:57:06 |
| F45-49 | 6 | 10:40:36 | 10:40:36 | 10:40:36 | 11:56:08 | 12:04:10 | 10:40:36 |
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.