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 | 989 | 4:05:11 | 4:22:00 | 4:36:25 | 4:55:15 | 5:32:35 | 3:49:37 |
| M18-24 | 165 | 4:05:11 | 4:19:26 | 4:35:26 | 4:57:40 | 5:39:55 | 4:04:04 |
| M25-29 | 252 | 4:06:55 | 4:17:50 | 4:36:25 | 4:58:50 | 5:30:06 | 3:55:44 |
| M30-34 | 186 | 3:59:16 | 4:16:25 | 4:31:11 | 4:52:12 | 5:23:13 | 3:49:37 |
| M35-39 | 110 | 4:08:57 | 4:22:10 | 4:42:48 | 4:53:57 | 5:32:45 | 4:07:11 |
| M40-44 | 88 | 4:07:03 | 4:28:10 | 4:37:05 | 4:51:09 | 5:19:13 | 4:07:03 |
| M45-49 | 68 | 4:04:51 | 4:26:28 | 4:33:17 | 4:48:09 | 5:38:26 | 4:04:51 |
| M50-54 | 74 | 4:13:36 | 4:40:02 | 4:51:33 | 5:04:37 | 5:48:07 | 4:13:36 |
| M55-59 | 24 | 4:29:05 | 4:46:07 | 4:48:17 | 5:01:29 | 5:37:22 | 4:29:05 |
| M60-64 | 16 | 4:33:41 | 4:33:41 | 4:51:36 | 5:14:42 | 6:00:02 | 4:33:41 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 284 | 4:27:06 | 4:45:16 | 4:59:26 | 5:21:21 | 6:05:32 | 4:25:03 |
| F18-24 | 50 | 4:25:03 | 4:35:27 | 4:50:44 | 5:14:28 | 5:56:22 | 4:25:03 |
| F25-29 | 71 | 4:27:06 | 4:51:09 | 5:02:16 | 5:19:12 | 5:56:54 | 4:27:06 |
| F30-34 | 61 | 4:27:04 | 4:49:16 | 4:58:48 | 5:27:24 | 6:09:55 | 4:27:04 |
| F35-39 | 27 | 4:41:48 | 4:43:13 | 4:52:09 | 5:15:29 | 6:02:20 | 4:41:48 |
| F40-44 | 31 | 4:40:37 | 4:43:37 | 5:13:43 | 5:31:24 | 6:05:32 | 4:40:37 |
| F45-49 | 18 | 4:33:54 | 4:33:54 | 4:45:50 | 5:21:21 | 6:23:15 | 4:33:54 |
| F50-54 | 10 | 5:05:07 | 5:05:07 | 5:05:07 | 5:14:05 | 5:42:08 | 5:05:07 |
| F55-59 | 9 | 5:36:18 | 5:36:18 | 5:36:18 | 5:54:21 | 6:23:52 | 5:36:18 |
| F60-64 | 5 | 5:38:25 | 5:38:25 | 5:38:25 | 5:38:25 | 6:52:18 | 5:38:25 |
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.