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 | 855 | 4:29:24 | 4:47:38 | 5:05:41 | 5:23:20 | 6:01:54 | 4:09:24 |
| M18-24 | 68 | 4:32:21 | 4:40:57 | 4:52:48 | 5:08:42 | 5:53:03 | 4:32:21 |
| M25-29 | 123 | 4:32:30 | 4:45:08 | 5:12:07 | 5:23:21 | 5:59:18 | 4:26:01 |
| M30-34 | 131 | 4:28:47 | 4:39:20 | 5:06:11 | 5:25:40 | 6:03:47 | 4:09:24 |
| M35-39 | 130 | 4:25:45 | 4:54:49 | 5:04:34 | 5:20:47 | 5:54:14 | 4:15:55 |
| M40-44 | 116 | 4:29:47 | 4:46:20 | 5:01:53 | 5:14:58 | 6:03:34 | 4:24:35 |
| M45-49 | 82 | 4:22:04 | 4:44:36 | 5:08:23 | 5:26:33 | 5:53:50 | 4:22:04 |
| M50-54 | 85 | 4:17:27 | 4:51:46 | 5:06:53 | 5:22:28 | 6:07:42 | 4:17:27 |
| M55-59 | 61 | 4:45:39 | 5:03:57 | 5:19:09 | 5:23:22 | 6:07:31 | 4:45:39 |
| M60-64 | 38 | 5:11:58 | 5:21:03 | 5:38:55 | 5:49:47 | 6:42:05 | 5:11:58 |
| M65-69 | 15 | 5:24:14 | 5:24:14 | 5:43:57 | 5:58:13 | 6:36:15 | 5:24:14 |
| M70-74 | 5 | 6:32:42 | 6:32:42 | 6:32:42 | 6:32:42 | 6:55:09 | 6:32:42 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 422 | 4:53:44 | 5:08:49 | 5:32:32 | 5:51:54 | 6:32:28 | 4:32:33 |
| F18-24 | 30 | 4:54:52 | 5:29:00 | 5:40:55 | 5:50:21 | 6:33:24 | 4:54:52 |
| F25-29 | 77 | 4:48:43 | 5:04:29 | 5:20:16 | 5:42:03 | 6:20:12 | 4:48:43 |
| F30-34 | 51 | 4:42:59 | 5:03:23 | 5:25:39 | 5:50:22 | 6:31:31 | 4:42:59 |
| F35-39 | 51 | 4:32:33 | 5:01:46 | 5:08:49 | 5:40:41 | 6:18:10 | 4:32:33 |
| F40-44 | 71 | 4:54:28 | 5:03:08 | 5:36:17 | 5:48:42 | 6:35:05 | 4:54:28 |
| F45-49 | 53 | 5:08:17 | 5:34:16 | 5:45:18 | 5:53:59 | 6:29:37 | 5:08:17 |
| F50-54 | 43 | 5:07:20 | 5:40:14 | 5:52:08 | 6:07:35 | 6:35:23 | 5:07:20 |
| F55-59 | 30 | 5:32:11 | 5:50:59 | 5:52:01 | 6:02:22 | 6:41:58 | 5:32:11 |
| F60-64 | 9 | 6:07:49 | 6:07:49 | 6:07:49 | 6:16:58 | 6:54:49 | 6:07:49 |
| F65-69 | 6 | 6:02:43 | 6:02:43 | 6:02:43 | 6:20:52 | 7:10:09 | 6:02:43 |
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.