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 | 628 | 4:22:11 | 4:45:12 | 4:55:42 | 5:17:54 | 6:02:58 | 4:10:20 |
| M18-24 | 71 | 4:10:20 | 4:46:36 | 5:05:22 | 5:21:46 | 5:56:08 | 4:10:20 |
| M25-29 | 106 | 4:32:44 | 4:49:44 | 4:55:30 | 5:27:11 | 6:04:44 | 4:10:57 |
| M30-34 | 113 | 4:25:31 | 4:44:58 | 5:00:51 | 5:23:17 | 5:57:26 | 4:24:04 |
| M35-39 | 89 | 4:15:20 | 4:33:33 | 4:46:51 | 5:05:24 | 5:56:41 | 4:15:20 |
| M40-44 | 75 | 4:31:51 | 4:50:17 | 5:03:30 | 5:17:46 | 6:01:47 | 4:31:51 |
| M45-49 | 64 | 4:20:17 | 4:43:30 | 4:48:57 | 5:00:31 | 6:04:40 | 4:20:17 |
| M50-54 | 45 | 4:23:24 | 4:38:16 | 4:53:01 | 5:07:29 | 6:06:17 | 4:23:24 |
| M55-59 | 30 | 4:46:19 | 5:00:24 | 5:07:40 | 5:25:55 | 5:47:46 | 4:46:19 |
| M60-64 | 20 | 5:06:27 | 5:06:27 | 5:26:19 | 5:37:58 | 6:26:55 | 5:06:27 |
| M65-69 | 9 | 5:42:39 | 5:42:39 | 5:42:39 | 5:57:14 | 6:28:46 | 5:42:39 |
| M70-74 | 6 | 6:46:19 | 6:46:19 | 6:46:19 | 6:55:47 | 7:10:12 | 6:46:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 324 | 4:40:47 | 5:11:13 | 5:29:44 | 5:50:53 | 6:40:06 | 4:27:47 |
| F18-24 | 42 | 4:42:37 | 5:45:37 | 5:54:58 | 6:03:53 | 6:41:26 | 4:42:37 |
| F25-29 | 52 | 4:38:56 | 5:16:55 | 5:29:24 | 5:49:39 | 6:32:16 | 4:38:56 |
| F30-34 | 43 | 4:40:47 | 4:54:02 | 5:22:31 | 5:33:40 | 6:47:46 | 4:40:47 |
| F35-39 | 41 | 4:27:47 | 5:24:52 | 5:31:37 | 5:48:41 | 6:33:21 | 4:27:47 |
| F40-44 | 36 | 4:53:25 | 5:13:48 | 5:29:44 | 5:43:43 | 6:24:38 | 4:53:25 |
| F45-49 | 39 | 4:36:10 | 4:58:20 | 5:06:13 | 5:33:56 | 6:31:52 | 4:36:10 |
| F50-54 | 34 | 4:43:48 | 4:58:26 | 5:33:49 | 6:06:18 | 6:46:55 | 4:43:48 |
| F55-59 | 22 | 5:33:33 | 5:38:13 | 6:05:08 | 6:21:24 | 6:45:14 | 5:33:33 |
| F60-64 | 11 | 5:27:50 | 5:27:50 | 6:09:37 | 6:21:23 | 7:10:08 | 5:27:50 |
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.