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 | 407 | 4:02:17 | 4:29:44 | 4:38:20 | 4:50:23 | 5:26:38 | 3:53:29 |
| M18-24 | 21 | 3:58:32 | 4:02:17 | 4:14:54 | 4:41:57 | 4:58:50 | 3:58:32 |
| M25-29 | 54 | 3:53:29 | 4:09:29 | 4:34:35 | 4:42:58 | 5:09:32 | 3:53:29 |
| M30-34 | 76 | 3:56:29 | 4:16:35 | 4:25:20 | 4:40:33 | 5:14:39 | 3:56:29 |
| M35-39 | 72 | 4:17:13 | 4:35:28 | 4:40:44 | 4:46:23 | 5:27:53 | 4:17:13 |
| M40-44 | 93 | 4:13:17 | 4:32:12 | 4:46:24 | 4:59:58 | 5:26:54 | 4:13:17 |
| M45-49 | 49 | 4:37:08 | 4:42:35 | 4:49:44 | 4:57:44 | 5:36:23 | 4:37:08 |
| M50-54 | 25 | 4:37:21 | 4:42:31 | 4:50:23 | 4:58:16 | 5:53:39 | 4:37:21 |
| M55-59 | 7 | 5:19:49 | 5:19:49 | 5:19:49 | 5:52:55 | 6:30:25 | 5:19:49 |
| M60-64 | 6 | 5:17:32 | 5:17:32 | 5:17:32 | 5:42:43 | 6:18:58 | 5:17:32 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 133 | 4:29:50 | 4:50:42 | 4:59:55 | 5:10:45 | 5:54:07 | 4:28:25 |
| F25-29 | 26 | 4:35:41 | 4:43:18 | 4:53:09 | 5:05:29 | 5:54:01 | 4:35:41 |
| F30-34 | 33 | 4:28:25 | 4:50:42 | 5:05:38 | 5:07:58 | 5:41:55 | 4:28:25 |
| F35-39 | 28 | 4:32:27 | 4:45:20 | 4:52:47 | 5:07:16 | 5:39:53 | 4:32:27 |
| F40-44 | 20 | 4:29:50 | 4:29:50 | 4:53:06 | 5:08:10 | 5:59:22 | 4:29:50 |
| F45-49 | 12 | 5:10:01 | 5:10:01 | 5:24:37 | 5:32:42 | 5:42:59 | 5:10:01 |
| F50-54 | 6 | 5:37:09 | 5:37:09 | 5:37:09 | 6:16:31 | 6:21:47 | 5:37:09 |
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.