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 | 854 | 4:21:52 | 4:38:08 | 4:49:57 | 5:05:54 | 5:38:55 | 4:11:26 |
| M18-24 | 8 | 4:25:16 | 4:25:16 | 4:25:16 | 4:46:59 | 5:36:21 | 4:25:16 |
| M25-29 | 59 | 4:17:28 | 4:27:54 | 4:30:36 | 4:43:22 | 5:19:38 | 4:17:28 |
| M30-34 | 118 | 4:15:12 | 4:27:27 | 4:38:06 | 4:55:38 | 5:26:20 | 4:14:16 |
| M35-39 | 147 | 4:19:53 | 4:29:07 | 4:42:39 | 4:59:34 | 5:33:55 | 4:16:59 |
| M40-44 | 201 | 4:27:27 | 4:44:10 | 4:53:47 | 5:03:50 | 5:33:53 | 4:11:26 |
| M45-49 | 152 | 4:29:33 | 4:46:57 | 5:03:30 | 5:15:35 | 5:46:28 | 4:27:52 |
| M50-54 | 102 | 4:43:08 | 4:58:59 | 5:05:52 | 5:19:07 | 5:45:02 | 4:31:01 |
| M55-59 | 45 | 5:00:41 | 5:02:46 | 5:10:21 | 5:24:53 | 6:06:12 | 5:00:41 |
| M60-64 | 19 | 5:23:37 | 5:23:37 | 5:35:20 | 5:46:06 | 6:24:16 | 5:23:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 118 | 4:43:24 | 4:50:04 | 5:04:21 | 5:24:07 | 6:03:21 | 4:39:33 |
| F25-29 | 11 | 5:41:11 | 5:41:11 | 6:17:32 | 6:25:08 | 6:45:41 | 5:41:11 |
| F30-34 | 12 | 4:44:29 | 4:44:29 | 4:49:04 | 4:50:01 | 5:05:11 | 4:44:29 |
| F35-39 | 17 | 5:03:51 | 5:03:51 | 5:06:24 | 5:20:11 | 5:42:59 | 5:03:51 |
| F40-44 | 28 | 4:39:33 | 4:43:24 | 4:57:15 | 5:28:55 | 6:05:19 | 4:39:33 |
| F45-49 | 28 | 5:02:53 | 5:09:32 | 5:22:06 | 5:28:19 | 5:59:52 | 5:02:53 |
| F50-54 | 12 | 5:14:30 | 5:14:30 | 5:24:07 | 5:27:27 | 6:07:42 | 5:14:30 |
| F55-59 | 7 | 5:26:57 | 5:26:57 | 5:26:57 | 5:46:15 | 6:03:21 | 5:26:57 |
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.