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 | 493 | 4:09:24 | 4:28:55 | 4:38:23 | 4:52:50 | 5:22:45 | 4:02:10 |
| M18-24 | 9 | 4:21:21 | 4:21:21 | 4:21:21 | 4:21:58 | 5:20:07 | 4:21:21 |
| M25-29 | 18 | 4:15:33 | 4:15:33 | 4:19:10 | 4:24:37 | 4:56:25 | 4:15:33 |
| M30-34 | 36 | 4:09:24 | 4:26:13 | 4:36:15 | 4:48:23 | 5:17:25 | 4:09:24 |
| M35-39 | 84 | 4:03:18 | 4:17:56 | 4:29:42 | 4:38:23 | 5:12:36 | 4:03:18 |
| M40-44 | 86 | 4:02:10 | 4:32:36 | 4:38:31 | 4:50:36 | 5:17:58 | 4:02:10 |
| M45-49 | 115 | 4:19:40 | 4:31:48 | 4:41:13 | 4:49:02 | 5:18:01 | 4:06:22 |
| M50-54 | 76 | 4:15:15 | 4:41:37 | 4:55:17 | 5:06:07 | 5:36:09 | 4:15:15 |
| M55-59 | 40 | 4:43:24 | 4:47:34 | 5:00:11 | 5:07:22 | 5:34:57 | 4:43:24 |
| M60-64 | 22 | 4:53:55 | 5:10:26 | 5:14:19 | 5:26:50 | 6:03:54 | 4:53:55 |
| M65-69 | 6 | 5:40:33 | 5:40:33 | 5:40:33 | 5:57:20 | 6:27:53 | 5:40:33 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 129 | 4:31:43 | 4:56:20 | 5:00:34 | 5:08:21 | 5:47:08 | 4:23:42 |
| F25-29 | 6 | 4:31:43 | 4:31:43 | 4:31:43 | 5:02:00 | 5:30:47 | 4:31:43 |
| F30-34 | 22 | 4:23:42 | 4:37:09 | 4:48:29 | 4:57:39 | 5:26:03 | 4:23:42 |
| F35-39 | 22 | 4:56:20 | 4:58:48 | 4:58:55 | 5:02:54 | 5:11:21 | 4:56:20 |
| F40-44 | 27 | 4:54:52 | 5:04:36 | 5:13:28 | 5:21:27 | 5:59:15 | 4:54:52 |
| F45-49 | 25 | 5:00:34 | 5:01:20 | 5:08:21 | 5:12:29 | 5:53:09 | 5:00:34 |
| F50-54 | 15 | 5:01:17 | 5:01:17 | 5:17:39 | 5:21:32 | 5:54:25 | 5:01:17 |
| F55-59 | 10 | 5:35:39 | 5:35:39 | 5:35:39 | 5:47:08 | 6:29:11 | 5:35:39 |
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.