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 | 868 | 3:48:34 | 4:01:41 | 4:12:46 | 4:26:56 | 5:06:03 | 3:31:25 |
| M18-24 | 28 | 4:06:28 | 4:10:57 | 4:29:05 | 4:35:41 | 5:01:16 | 4:06:28 |
| M25-29 | 64 | 3:31:25 | 3:57:38 | 4:05:09 | 4:15:15 | 4:49:15 | 3:31:25 |
| M30-34 | 104 | 3:54:22 | 3:58:10 | 4:00:24 | 4:11:38 | 4:56:03 | 3:45:15 |
| M35-39 | 135 | 3:44:45 | 3:53:49 | 4:01:31 | 4:13:50 | 4:49:55 | 3:41:22 |
| M40-44 | 171 | 3:49:23 | 4:06:40 | 4:19:18 | 4:26:59 | 4:59:16 | 3:47:35 |
| M45-49 | 132 | 3:56:25 | 4:07:14 | 4:18:20 | 4:30:14 | 5:06:36 | 3:50:04 |
| M50-54 | 103 | 4:00:36 | 4:13:48 | 4:20:10 | 4:39:23 | 5:09:19 | 3:59:09 |
| M55-59 | 68 | 3:58:52 | 4:14:22 | 4:23:34 | 4:44:28 | 5:30:33 | 3:58:52 |
| M60-64 | 38 | 4:22:32 | 4:39:39 | 4:42:19 | 4:58:33 | 5:42:07 | 4:22:32 |
| M65-69 | 19 | 4:32:51 | 4:32:51 | 4:45:25 | 5:05:55 | 5:46:14 | 4:32:51 |
| M70-74 | 5 | 5:04:31 | 5:04:31 | 5:04:31 | 5:04:31 | 5:59:42 | 5:04:31 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 373 | 4:11:39 | 4:25:01 | 4:36:52 | 4:52:07 | 5:31:57 | 4:00:23 |
| F18-24 | 7 | 4:27:30 | 4:27:30 | 4:27:30 | 4:50:53 | 5:17:53 | 4:27:30 |
| F25-29 | 35 | 4:00:23 | 4:11:39 | 4:16:55 | 4:36:21 | 5:22:16 | 4:00:23 |
| F30-34 | 53 | 4:10:34 | 4:37:48 | 4:41:39 | 4:59:49 | 5:29:51 | 4:10:34 |
| F35-39 | 54 | 4:09:53 | 4:22:18 | 4:31:21 | 4:36:52 | 5:27:32 | 4:09:53 |
| F40-44 | 71 | 4:17:31 | 4:20:20 | 4:29:32 | 4:40:55 | 5:31:42 | 4:17:31 |
| F45-49 | 58 | 4:16:39 | 4:25:01 | 4:37:33 | 4:46:58 | 5:27:17 | 4:16:39 |
| F50-54 | 53 | 4:52:41 | 4:55:40 | 4:56:15 | 5:08:26 | 5:47:55 | 4:52:41 |
| F55-59 | 21 | 4:40:17 | 4:40:38 | 4:47:05 | 5:26:20 | 5:43:15 | 4:40:17 |
| F60-64 | 15 | 4:51:42 | 4:51:42 | 4:54:40 | 5:05:05 | 5:50:36 | 4:51:42 |
| F65-69 | 6 | 5:23:26 | 5:23:26 | 5:23:26 | 5:33:56 | 5:46:04 | 5:23:26 |
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.