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 | 267 | 4:18:26 | 4:34:41 | 4:45:33 | 5:01:35 | 5:37:14 | 4:04:28 |
| M18-24 | 5 | 4:23:15 | 4:23:15 | 4:23:15 | 4:23:15 | 5:07:29 | 4:23:15 |
| M25-29 | 15 | 4:04:28 | 4:04:28 | 4:31:10 | 4:36:26 | 5:16:36 | 4:04:28 |
| M30-34 | 31 | 4:11:02 | 4:18:26 | 4:28:33 | 4:43:39 | 5:21:20 | 4:11:02 |
| M35-39 | 62 | 4:29:46 | 4:41:42 | 4:48:46 | 4:56:59 | 5:22:56 | 4:29:46 |
| M40-44 | 56 | 4:21:51 | 4:25:47 | 4:43:01 | 5:03:11 | 5:44:14 | 4:21:51 |
| M45-49 | 44 | 4:41:37 | 4:46:31 | 4:53:34 | 5:02:41 | 5:35:04 | 4:41:37 |
| M50-54 | 29 | 4:55:47 | 4:57:23 | 5:10:32 | 5:21:10 | 6:06:39 | 4:55:47 |
| M55-59 | 14 | 5:27:36 | 5:27:36 | 5:38:35 | 5:56:37 | 6:19:03 | 5:27:36 |
| M60-64 | 10 | 5:56:37 | 5:56:37 | 5:56:37 | 6:13:44 | 6:43:01 | 5:56:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 51 | 4:43:40 | 4:55:28 | 5:09:09 | 5:23:33 | 5:53:28 | 4:43:40 |
| F30-34 | 8 | 4:47:43 | 4:47:43 | 4:47:43 | 5:00:14 | 5:42:57 | 4:47:43 |
| F35-39 | 10 | 5:02:19 | 5:02:19 | 5:02:19 | 5:23:33 | 5:41:09 | 5:02:19 |
| F40-44 | 10 | 4:43:40 | 4:43:40 | 4:43:40 | 5:14:39 | 5:24:00 | 4:43:40 |
| F45-49 | 10 | 4:55:28 | 4:55:28 | 4:55:28 | 5:29:11 | 6:15:20 | 4:55:28 |
| F50-54 | 6 | 5:22:44 | 5:22:44 | 5:22:44 | 5:44:18 | 6:02:33 | 5:22:44 |
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.