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 | 2,087 | 4:28:18 | 4:50:21 | 5:03:32 | 5:17:00 | 5:54:38 | 4:10:01 |
| M18-24 | 55 | 4:14:14 | 4:22:08 | 4:39:43 | 5:05:01 | 5:38:28 | 4:14:14 |
| M25-29 | 218 | 4:23:01 | 4:33:11 | 4:50:08 | 5:09:57 | 5:48:48 | 4:10:01 |
| M30-34 | 346 | 4:29:09 | 4:41:08 | 4:57:15 | 5:12:23 | 5:47:39 | 4:14:27 |
| M35-39 | 292 | 4:34:37 | 4:49:53 | 4:58:51 | 5:16:32 | 5:44:36 | 4:22:11 |
| M40-44 | 293 | 4:28:18 | 4:47:46 | 4:58:41 | 5:13:10 | 5:48:26 | 4:22:10 |
| M45-49 | 302 | 4:33:21 | 4:55:31 | 5:07:09 | 5:19:33 | 5:59:38 | 4:27:19 |
| M50-54 | 293 | 4:43:49 | 5:03:04 | 5:10:10 | 5:23:25 | 6:01:41 | 4:26:06 |
| M55-59 | 186 | 4:53:06 | 5:09:54 | 5:15:43 | 5:35:37 | 6:07:17 | 4:40:25 |
| M60-64 | 77 | 4:59:26 | 5:13:48 | 5:18:38 | 5:54:38 | 6:31:57 | 4:59:26 |
| M65-69 | 21 | 5:22:59 | 5:30:48 | 5:44:26 | 5:55:11 | 6:50:56 | 5:22:59 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 441 | 4:54:13 | 5:11:25 | 5:26:14 | 5:40:26 | 6:18:44 | 4:50:06 |
| F18-24 | 13 | 5:07:18 | 5:07:18 | 5:22:52 | 5:27:23 | 5:50:34 | 5:07:18 |
| F25-29 | 65 | 4:54:13 | 5:01:55 | 5:11:25 | 5:39:50 | 6:10:58 | 4:54:13 |
| F30-34 | 77 | 4:50:06 | 5:02:37 | 5:14:12 | 5:37:52 | 6:05:18 | 4:50:06 |
| F35-39 | 72 | 4:51:25 | 5:10:53 | 5:15:32 | 5:26:31 | 6:03:30 | 4:51:25 |
| F40-44 | 58 | 5:11:36 | 5:19:20 | 5:32:20 | 5:37:18 | 6:18:44 | 5:11:36 |
| F45-49 | 56 | 5:05:33 | 5:25:54 | 5:33:49 | 5:37:56 | 6:16:37 | 5:05:33 |
| F50-54 | 52 | 5:20:41 | 5:38:15 | 5:43:01 | 5:59:13 | 6:46:50 | 5:20:41 |
| F55-59 | 23 | 5:56:50 | 5:57:35 | 6:00:16 | 6:17:39 | 6:44:15 | 5:56:50 |
| F60-64 | 18 | 5:49:27 | 5:49:27 | 5:55:12 | 6:07:27 | 6:43:40 | 5:49:27 |
| F65-69 | 6 | 6:32:23 | 6:32:23 | 6:32:23 | 6:51:28 | 7:04:58 | 6:32:23 |
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.