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 | 206 | 4:19:18 | 4:35:57 | 4:51:59 | 5:16:41 | 6:15:55 | 4:15:28 |
| M18-24 | 10 | 4:28:21 | 4:28:21 | 4:28:21 | 4:36:04 | 5:43:57 | 4:28:21 |
| M25-29 | 13 | 4:27:20 | 4:27:20 | 4:35:57 | 5:22:56 | 5:45:37 | 4:27:20 |
| M30-34 | 39 | 4:21:47 | 4:35:56 | 5:03:26 | 5:25:44 | 6:25:51 | 4:21:47 |
| M35-39 | 50 | 4:15:28 | 4:19:18 | 4:38:06 | 4:57:58 | 6:11:23 | 4:15:28 |
| M40-44 | 30 | 4:30:07 | 4:50:49 | 4:51:24 | 5:12:20 | 6:09:22 | 4:30:07 |
| M45-49 | 23 | 4:33:10 | 4:45:44 | 4:48:55 | 5:05:50 | 6:26:02 | 4:33:10 |
| M50-54 | 18 | 4:47:21 | 4:47:21 | 5:05:06 | 5:12:03 | 5:54:53 | 4:47:21 |
| M55-59 | 12 | 5:54:03 | 5:54:03 | 5:56:38 | 6:10:45 | 6:38:47 | 5:54:03 |
| M60-64 | 10 | 5:16:45 | 5:16:45 | 5:16:45 | 5:25:05 | 6:05:36 | 5:16:45 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 48 | 4:37:53 | 5:15:17 | 5:20:25 | 5:40:35 | 6:26:29 | 4:37:53 |
| F25-29 | 7 | 5:20:25 | 5:20:25 | 5:20:25 | 5:54:51 | 6:26:29 | 5:20:25 |
| F30-34 | 9 | 5:15:17 | 5:15:17 | 5:15:17 | 5:22:21 | 6:39:22 | 5:15:17 |
| F35-39 | 7 | 4:37:53 | 4:37:53 | 4:37:53 | 5:10:35 | 6:25:09 | 4:37:53 |
| F40-44 | 6 | 5:32:00 | 5:32:00 | 5:32:00 | 5:34:22 | 5:48:56 | 5:32:00 |
| F45-49 | 12 | 5:40:35 | 5:40:35 | 6:05:32 | 6:12:26 | 6:28:42 | 5:40:35 |
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.