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 | 1,691 | 4:20:22 | 4:46:57 | 5:02:28 | 5:21:34 | 6:01:51 | 3:57:54 |
| M18-24 | 210 | 4:18:18 | 4:44:58 | 4:56:52 | 5:14:54 | 5:54:38 | 4:04:48 |
| M25-29 | 328 | 4:20:22 | 4:39:45 | 4:54:28 | 5:18:45 | 6:01:46 | 3:57:54 |
| M30-34 | 278 | 4:09:47 | 4:46:42 | 5:00:22 | 5:17:25 | 5:53:30 | 3:58:51 |
| M35-39 | 214 | 4:22:49 | 4:43:49 | 5:06:22 | 5:23:49 | 6:04:01 | 4:11:00 |
| M40-44 | 172 | 4:17:04 | 4:35:33 | 4:57:56 | 5:12:06 | 5:53:11 | 4:13:32 |
| M45-49 | 153 | 4:27:19 | 4:48:28 | 5:00:45 | 5:15:10 | 5:54:42 | 4:23:55 |
| M50-54 | 122 | 4:36:13 | 5:01:09 | 5:07:33 | 5:26:40 | 6:06:02 | 4:33:52 |
| M55-59 | 109 | 4:45:07 | 5:08:07 | 5:19:39 | 5:35:18 | 6:16:51 | 4:37:49 |
| M60-64 | 71 | 4:55:05 | 5:17:22 | 5:37:20 | 5:49:29 | 6:21:00 | 4:55:05 |
| M65-69 | 27 | 5:14:59 | 5:21:36 | 5:27:46 | 5:49:30 | 6:32:17 | 5:14:59 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 510 | 4:43:56 | 5:13:23 | 5:25:04 | 5:45:36 | 6:28:02 | 4:28:26 |
| F18-24 | 67 | 4:53:18 | 5:08:50 | 5:27:52 | 5:51:46 | 6:27:26 | 4:53:18 |
| F25-29 | 103 | 4:35:06 | 5:02:41 | 5:22:15 | 5:38:13 | 6:17:23 | 4:28:26 |
| F30-34 | 77 | 4:29:05 | 5:05:16 | 5:19:59 | 5:41:45 | 6:20:47 | 4:29:05 |
| F35-39 | 55 | 4:43:56 | 4:58:25 | 5:25:04 | 5:40:33 | 6:27:06 | 4:43:56 |
| F40-44 | 58 | 4:57:47 | 5:08:12 | 5:25:53 | 5:42:40 | 6:27:00 | 4:57:47 |
| F45-49 | 47 | 4:51:46 | 5:13:33 | 5:17:31 | 5:37:48 | 6:30:42 | 4:51:46 |
| F50-54 | 47 | 5:09:13 | 5:21:15 | 5:27:03 | 5:39:03 | 6:27:10 | 5:09:13 |
| F55-59 | 26 | 5:27:58 | 5:30:21 | 6:02:22 | 6:27:31 | 6:59:38 | 5:27:58 |
| F60-64 | 22 | 5:44:20 | 5:49:17 | 5:53:49 | 6:09:19 | 6:49:24 | 5:44:20 |
| F65-69 | 5 | 5:48:40 | 5:48:40 | 5:48:40 | 5:48:40 | 6:58:47 | 5:48:40 |
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.