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 | 1,631 | 4:03:55 | 4:31:44 | 4:42:18 | 4:53:33 | 5:20:05 | 3:54:15 |
| MPRO | 45 | 3:54:15 | 3:56:22 | 3:56:37 | 3:59:41 | 4:07:09 | 3:54:15 |
| M18-24 | 69 | 4:17:00 | 4:27:47 | 4:37:40 | 4:47:17 | 5:13:43 | 4:17:00 |
| M25-29 | 190 | 4:21:54 | 4:34:52 | 4:41:05 | 4:48:04 | 5:14:24 | 4:21:49 |
| M30-34 | 291 | 4:21:52 | 4:32:42 | 4:42:10 | 4:53:28 | 5:17:49 | 4:20:16 |
| M35-39 | 331 | 4:23:26 | 4:39:18 | 4:45:23 | 4:53:23 | 5:16:29 | 4:19:08 |
| M40-44 | 353 | 4:31:53 | 4:39:33 | 4:47:32 | 4:56:45 | 5:20:57 | 4:23:02 |
| M45-49 | 222 | 4:27:11 | 4:43:17 | 4:51:13 | 5:01:42 | 5:29:22 | 4:21:07 |
| M50-54 | 87 | 4:33:18 | 4:57:16 | 4:59:17 | 5:11:04 | 5:37:51 | 4:33:18 |
| M55-59 | 21 | 4:51:47 | 5:05:13 | 5:09:51 | 5:15:11 | 5:38:23 | 4:51:47 |
| M60-64 | 12 | 5:13:12 | 5:13:12 | 5:15:59 | 5:18:15 | 6:00:12 | 5:13:12 |
| M65-69 | 5 | 5:19:55 | 5:19:55 | 5:19:55 | 5:19:55 | 6:15:57 | 5:19:55 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 248 | 4:31:50 | 4:42:00 | 5:01:06 | 5:20:48 | 5:44:48 | 4:28:46 |
| FPRO | 20 | 4:28:46 | 4:28:46 | 4:30:03 | 4:32:10 | 4:38:56 | 4:28:46 |
| F18-24 | 10 | 4:59:24 | 4:59:24 | 4:59:24 | 5:17:33 | 5:41:18 | 4:59:24 |
| F25-29 | 43 | 4:43:47 | 5:05:25 | 5:16:41 | 5:22:24 | 5:43:44 | 4:43:47 |
| F30-34 | 64 | 4:49:19 | 5:06:40 | 5:13:28 | 5:22:14 | 5:48:28 | 4:49:19 |
| F35-39 | 44 | 4:48:45 | 5:16:57 | 5:23:40 | 5:31:39 | 5:45:09 | 4:48:45 |
| F40-44 | 40 | 4:57:27 | 5:11:05 | 5:17:53 | 5:22:44 | 5:46:33 | 4:57:27 |
| F45-49 | 15 | 5:00:50 | 5:00:50 | 5:03:26 | 5:31:20 | 6:21:13 | 5:00:50 |
| F50-54 | 7 | 5:16:20 | 5:16:20 | 5:16:20 | 5:21:04 | 5:41:17 | 5:16:20 |
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.