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 | 365 | 4:23:29 | 4:42:43 | 4:50:39 | 5:00:06 | 5:33:28 | 4:11:13 |
| M18-24 | 25 | 4:11:13 | 4:11:18 | 4:19:43 | 4:45:13 | 5:18:15 | 4:11:13 |
| M25-29 | 58 | 4:23:29 | 4:37:11 | 4:49:19 | 5:06:06 | 5:26:47 | 4:23:29 |
| M30-34 | 58 | 4:32:39 | 4:39:26 | 4:50:32 | 5:05:16 | 5:40:33 | 4:32:39 |
| M35-39 | 49 | 4:35:00 | 4:47:45 | 4:51:31 | 5:05:04 | 5:30:06 | 4:35:00 |
| M40-44 | 35 | 4:31:23 | 4:34:18 | 4:44:22 | 4:58:12 | 5:33:28 | 4:31:23 |
| M45-49 | 55 | 4:34:04 | 4:39:31 | 4:47:20 | 4:55:58 | 5:39:59 | 4:34:04 |
| M50-54 | 41 | 4:34:18 | 4:50:44 | 4:53:44 | 5:05:23 | 5:45:14 | 4:34:18 |
| M55-59 | 24 | 4:42:50 | 4:57:45 | 5:08:48 | 5:15:42 | 5:28:17 | 4:42:50 |
| M60-64 | 10 | 4:48:32 | 4:48:32 | 4:48:32 | 4:55:53 | 5:29:36 | 4:48:32 |
| M65-69 | 5 | 5:18:17 | 5:18:17 | 5:18:17 | 5:18:17 | 6:39:31 | 5:18:17 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 150 | 4:48:00 | 5:03:23 | 5:13:02 | 5:33:24 | 6:07:45 | 4:45:52 |
| F18-24 | 13 | 4:56:11 | 4:56:11 | 5:09:32 | 5:17:51 | 6:07:10 | 4:56:11 |
| F25-29 | 31 | 4:48:33 | 4:50:09 | 5:03:23 | 5:14:43 | 5:49:46 | 4:48:33 |
| F30-34 | 25 | 5:21:36 | 5:34:19 | 5:43:00 | 5:47:44 | 6:16:54 | 5:21:36 |
| F35-39 | 15 | 5:06:46 | 5:06:46 | 5:33:54 | 6:00:01 | 6:27:06 | 5:06:46 |
| F40-44 | 12 | 4:48:00 | 4:48:00 | 5:10:12 | 5:27:30 | 5:46:04 | 4:48:00 |
| F45-49 | 25 | 4:45:52 | 4:55:20 | 5:11:57 | 5:16:05 | 6:10:22 | 4:45:52 |
| F50-54 | 13 | 5:32:43 | 5:32:43 | 6:02:08 | 6:07:45 | 7:35:53 | 5:32:43 |
| F55-59 | 10 | 5:31:51 | 5:31:51 | 5:31:51 | 5:55:34 | 6:16:51 | 5:31:51 |
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.