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 | 1,204 | 4:05:32 | 4:24:44 | 4:31:49 | 4:48:48 | 5:23:41 | 3:51:04 |
| M18-24 | 26 | 3:56:15 | 3:56:16 | 3:56:25 | 4:24:05 | 4:59:03 | 3:56:15 |
| M25-29 | 90 | 3:55:03 | 4:09:18 | 4:21:13 | 4:30:27 | 5:15:49 | 3:55:03 |
| M30-34 | 225 | 4:00:36 | 4:18:01 | 4:27:18 | 4:44:26 | 5:18:22 | 3:51:04 |
| M35-39 | 278 | 4:11:24 | 4:24:30 | 4:32:51 | 4:49:20 | 5:22:52 | 4:00:32 |
| M40-44 | 255 | 4:16:49 | 4:27:19 | 4:35:35 | 4:45:52 | 5:21:45 | 4:10:59 |
| M45-49 | 153 | 4:10:13 | 4:27:39 | 4:35:49 | 4:51:41 | 5:24:25 | 4:08:48 |
| M50-54 | 93 | 4:27:43 | 4:38:19 | 4:41:48 | 4:53:39 | 5:30:54 | 4:27:43 |
| M55-59 | 56 | 4:30:24 | 4:35:28 | 4:51:59 | 5:04:38 | 5:37:35 | 4:30:24 |
| M60-64 | 18 | 4:47:56 | 4:47:56 | 4:52:18 | 5:06:55 | 5:41:34 | 4:47:56 |
| M65-69 | 7 | 5:03:38 | 5:03:38 | 5:03:38 | 5:14:31 | 5:44:49 | 5:03:38 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 246 | 4:38:44 | 4:52:30 | 5:00:51 | 5:19:12 | 5:56:41 | 4:27:29 |
| F18-24 | 9 | 4:52:21 | 4:52:21 | 4:52:21 | 5:23:40 | 6:00:11 | 4:52:21 |
| F25-29 | 29 | 4:30:03 | 4:39:08 | 4:39:14 | 4:50:12 | 5:38:04 | 4:30:03 |
| F30-34 | 53 | 4:27:29 | 4:44:08 | 4:55:09 | 5:03:57 | 5:55:22 | 4:27:29 |
| F35-39 | 60 | 4:48:02 | 4:52:30 | 5:06:07 | 5:25:15 | 6:05:16 | 4:48:02 |
| F40-44 | 39 | 4:54:53 | 5:00:30 | 5:06:35 | 5:23:25 | 6:10:07 | 4:54:53 |
| F45-49 | 31 | 5:07:38 | 5:19:00 | 5:23:10 | 5:39:56 | 6:10:33 | 5:07:38 |
| F50-54 | 14 | 5:16:09 | 5:16:09 | 5:21:37 | 5:26:12 | 5:41:14 | 5:16:09 |
| F55-59 | 9 | 5:00:06 | 5:00:06 | 5:00:06 | 5:05:15 | 5:25:11 | 5:00:06 |
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.