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 | 836 | 3:44:01 | 3:57:15 | 4:10:01 | 4:31:16 | 5:09:54 | 3:23:11 |
| M18-24 | 171 | 3:32:09 | 3:58:02 | 4:13:28 | 4:32:50 | 5:13:46 | 3:23:11 |
| M25-29 | 130 | 3:46:26 | 3:52:45 | 4:00:12 | 4:22:36 | 4:58:08 | 3:29:10 |
| M30-34 | 106 | 3:44:43 | 3:53:17 | 4:03:57 | 4:18:14 | 5:03:46 | 3:42:52 |
| M35-39 | 104 | 3:48:38 | 4:00:40 | 4:08:46 | 4:24:45 | 5:05:39 | 3:42:54 |
| M40-44 | 79 | 3:33:15 | 3:44:01 | 3:53:30 | 4:13:36 | 5:04:43 | 3:33:15 |
| M45-49 | 66 | 3:51:38 | 4:01:15 | 4:16:26 | 4:33:06 | 5:05:58 | 3:51:38 |
| M50-54 | 74 | 3:47:47 | 3:58:20 | 4:19:02 | 4:33:41 | 5:09:10 | 3:47:47 |
| M55-59 | 48 | 4:00:35 | 4:10:35 | 4:23:25 | 4:47:14 | 5:21:01 | 4:00:35 |
| M60-64 | 33 | 4:18:10 | 4:37:41 | 4:46:52 | 5:04:55 | 5:53:55 | 4:18:10 |
| M65-69 | 16 | 4:30:05 | 4:30:05 | 4:32:53 | 4:54:05 | 5:53:32 | 4:30:05 |
| M70-74 | 8 | 4:27:56 | 4:27:56 | 4:27:56 | 4:47:52 | 5:26:46 | 4:27:56 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 367 | 4:01:42 | 4:25:19 | 4:32:20 | 4:54:39 | 5:33:12 | 3:48:10 |
| F18-24 | 52 | 4:04:14 | 4:18:30 | 4:30:46 | 4:54:51 | 5:27:16 | 4:04:14 |
| F25-29 | 62 | 3:48:10 | 4:28:47 | 4:36:32 | 4:50:33 | 5:22:56 | 3:48:10 |
| F30-34 | 54 | 3:48:15 | 4:13:44 | 4:37:00 | 4:54:39 | 5:22:56 | 3:48:15 |
| F35-39 | 32 | 4:07:53 | 4:10:48 | 4:27:22 | 4:40:59 | 5:21:03 | 4:07:53 |
| F40-44 | 61 | 4:25:19 | 4:30:00 | 4:39:36 | 5:02:10 | 5:36:03 | 4:25:19 |
| F45-49 | 25 | 4:11:47 | 4:11:58 | 4:30:04 | 4:31:41 | 5:44:49 | 4:11:47 |
| F50-54 | 24 | 4:10:35 | 4:25:34 | 4:30:49 | 4:50:06 | 5:28:03 | 4:10:35 |
| F55-59 | 24 | 4:27:58 | 4:44:27 | 4:51:28 | 5:17:18 | 5:55:19 | 4:27:58 |
| F60-64 | 16 | 4:57:58 | 4:57:58 | 4:59:05 | 5:14:33 | 6:26:27 | 4:57:58 |
| F65-69 | 15 | 5:09:58 | 5:09:58 | 5:17:26 | 5:27:17 | 5:44:44 | 5:09:58 |
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.