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 | 1,608 | 4:07:40 | 4:42:59 | 4:59:23 | 5:19:04 | 6:01:40 | 3:47:08 |
| MPRO | 33 | 3:47:08 | 3:48:43 | 3:51:07 | 3:56:19 | 4:07:40 | 3:47:08 |
| M18-24 | 22 | 4:17:19 | 4:24:33 | 4:32:21 | 4:49:23 | 5:21:58 | 4:17:19 |
| M25-29 | 104 | 4:21:09 | 4:46:31 | 4:53:33 | 5:10:40 | 6:01:29 | 4:18:17 |
| M30-34 | 215 | 4:31:47 | 4:42:20 | 4:50:40 | 5:10:48 | 5:55:21 | 4:10:57 |
| M35-39 | 283 | 4:15:50 | 4:47:26 | 5:03:25 | 5:24:12 | 6:04:30 | 4:14:07 |
| M40-44 | 361 | 4:27:36 | 4:48:44 | 5:03:03 | 5:19:22 | 5:56:59 | 4:17:30 |
| M45-49 | 285 | 4:40:11 | 4:56:14 | 5:08:16 | 5:26:09 | 6:01:58 | 4:27:44 |
| M50-54 | 165 | 4:41:24 | 5:00:54 | 5:14:23 | 5:34:19 | 6:11:22 | 4:35:50 |
| M55-59 | 86 | 4:45:58 | 5:06:30 | 5:11:16 | 5:46:52 | 6:18:08 | 4:45:58 |
| M60-64 | 41 | 5:09:12 | 5:23:43 | 5:42:58 | 5:53:59 | 6:28:38 | 5:09:12 |
| M65-69 | 11 | 5:36:01 | 5:36:01 | 6:05:08 | 6:10:26 | 7:10:41 | 5:36:01 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 595 | 4:23:59 | 5:05:54 | 5:22:55 | 5:47:54 | 6:36:38 | 4:14:47 |
| FPRO | 28 | 4:14:47 | 4:16:07 | 4:16:59 | 4:23:59 | 4:35:30 | 4:14:47 |
| F18-24 | 13 | 5:11:26 | 5:11:26 | 5:13:47 | 5:42:36 | 6:44:04 | 5:11:26 |
| F25-29 | 55 | 5:04:31 | 5:07:50 | 5:18:07 | 5:36:05 | 6:21:48 | 5:04:31 |
| F30-34 | 69 | 4:50:42 | 5:12:55 | 5:26:52 | 5:37:44 | 6:20:28 | 4:50:42 |
| F35-39 | 86 | 5:07:13 | 5:18:34 | 5:28:04 | 5:44:07 | 6:34:50 | 5:07:13 |
| F40-44 | 121 | 5:08:31 | 5:25:18 | 5:45:53 | 6:01:25 | 6:46:25 | 5:07:18 |
| F45-49 | 104 | 5:19:36 | 5:42:51 | 5:54:37 | 6:12:25 | 6:42:40 | 5:16:40 |
| F50-54 | 65 | 5:11:14 | 5:17:27 | 5:30:16 | 5:52:52 | 6:48:24 | 5:11:14 |
| F55-59 | 35 | 5:20:00 | 5:40:15 | 5:59:02 | 6:12:08 | 6:55:41 | 5:20:00 |
| F60-64 | 13 | 6:33:17 | 6:33:17 | 6:35:09 | 6:43:52 | 7:04:08 | 6:33:17 |
| F65-69 | 5 | 5:58:33 | 5:58:33 | 5:58:33 | 5:58:33 | 6:53:23 | 5:58:33 |
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.