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 | 472 | 4:12:35 | 4:26:43 | 4:34:31 | 4:55:18 | 5:38:02 | 3:56:11 |
| M18-24 | 35 | 4:08:57 | 4:18:45 | 4:26:47 | 4:34:31 | 5:36:55 | 4:08:57 |
| M25-29 | 52 | 3:56:11 | 4:22:53 | 5:10:21 | 5:15:14 | 6:05:22 | 3:56:11 |
| M30-34 | 82 | 4:08:13 | 4:23:16 | 4:31:54 | 4:47:37 | 5:29:47 | 4:08:13 |
| M35-39 | 91 | 4:12:35 | 4:24:02 | 4:30:50 | 5:05:08 | 5:41:12 | 4:12:35 |
| M40-44 | 79 | 4:14:48 | 4:27:36 | 4:35:17 | 4:54:15 | 5:34:47 | 4:14:48 |
| M45-49 | 52 | 4:20:38 | 4:24:42 | 4:30:25 | 4:39:54 | 5:23:54 | 4:20:38 |
| M50-54 | 41 | 4:22:29 | 4:38:16 | 4:43:00 | 4:55:18 | 5:27:57 | 4:22:29 |
| M55-59 | 25 | 4:30:41 | 4:47:01 | 4:50:20 | 5:06:47 | 5:36:29 | 4:30:41 |
| M60-64 | 12 | 5:04:17 | 5:04:17 | 5:24:27 | 5:26:44 | 5:44:30 | 5:04:17 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 80 | 4:40:26 | 4:59:21 | 5:12:16 | 5:30:36 | 6:06:41 | 4:40:26 |
| F18-24 | 5 | 4:40:26 | 4:40:26 | 4:40:26 | 4:40:26 | 5:31:05 | 4:40:26 |
| F25-29 | 14 | 5:59:36 | 5:59:36 | 6:01:44 | 6:04:03 | 6:25:30 | 5:59:36 |
| F30-34 | 11 | 5:23:18 | 5:23:18 | 5:28:47 | 5:31:26 | 6:16:42 | 5:23:18 |
| F35-39 | 9 | 4:57:33 | 4:57:33 | 4:57:33 | 5:04:59 | 5:46:13 | 4:57:33 |
| F40-44 | 15 | 5:11:14 | 5:11:14 | 5:14:42 | 5:14:52 | 5:53:14 | 5:11:14 |
| F45-49 | 13 | 4:53:20 | 4:53:20 | 5:23:31 | 5:36:28 | 5:51:25 | 4:53:20 |
| F50-54 | 8 | 4:59:21 | 4:59:21 | 4:59:21 | 5:32:49 | 6:22:46 | 4:59:21 |
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.