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 | 177 | 4:12:47 | 4:39:08 | 4:47:12 | 5:15:19 | 6:03:34 | 4:12:13 |
| M18-24 | 6 | 4:46:49 | 4:46:49 | 4:46:49 | 4:54:01 | 4:56:00 | 4:46:49 |
| M25-29 | 11 | 4:12:13 | 4:12:13 | 4:58:24 | 5:08:47 | 5:48:48 | 4:12:13 |
| M30-34 | 25 | 4:18:55 | 4:31:08 | 4:39:09 | 4:44:58 | 5:36:05 | 4:18:55 |
| M35-39 | 36 | 4:16:08 | 4:23:35 | 4:30:50 | 4:56:33 | 5:48:31 | 4:16:08 |
| M40-44 | 37 | 4:12:47 | 4:43:59 | 5:09:34 | 5:40:11 | 6:12:48 | 4:12:47 |
| M45-49 | 19 | 4:41:39 | 4:41:39 | 5:02:47 | 5:19:04 | 5:59:47 | 4:41:39 |
| M50-54 | 20 | 4:39:08 | 4:39:08 | 4:44:25 | 5:06:16 | 5:38:58 | 4:39:08 |
| M55-59 | 15 | 5:23:22 | 5:23:22 | 5:36:27 | 5:45:55 | 6:38:59 | 5:23:22 |
| M60-64 | 8 | 5:44:37 | 5:44:37 | 5:44:37 | 5:44:57 | 6:28:25 | 5:44:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 58 | 4:56:55 | 5:05:51 | 5:11:18 | 5:28:24 | 6:05:12 | 4:56:55 |
| F25-29 | 5 | 5:21:50 | 5:21:50 | 5:21:50 | 5:21:50 | 6:12:11 | 5:21:50 |
| F30-34 | 7 | 5:10:56 | 5:10:56 | 5:10:56 | 5:11:18 | 5:47:19 | 5:10:56 |
| F35-39 | 12 | 4:56:55 | 4:56:55 | 5:00:14 | 5:34:30 | 5:55:12 | 4:56:55 |
| F40-44 | 14 | 5:05:51 | 5:05:51 | 5:09:46 | 5:17:13 | 5:47:20 | 5:05:51 |
| F45-49 | 11 | 5:55:55 | 5:55:55 | 5:56:51 | 5:57:18 | 6:18:57 | 5:55:55 |
| F50-54 | 5 | 5:42:26 | 5:42:26 | 5:42:26 | 5:42:26 | 6:28:32 | 5:42:26 |
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.