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 | 1,610 | 4:09:57 | 4:38:46 | 4:52:28 | 5:10:18 | 5:52:59 | 3:54:03 |
| MPRO | 39 | 3:54:03 | 3:55:11 | 3:57:03 | 4:01:29 | 4:12:07 | 3:54:03 |
| M18-24 | 34 | 4:38:39 | 4:40:35 | 4:45:00 | 5:06:50 | 5:52:41 | 4:38:39 |
| M25-29 | 124 | 4:24:28 | 4:30:51 | 4:40:26 | 4:57:44 | 5:45:55 | 4:20:23 |
| M30-34 | 240 | 4:28:38 | 4:47:14 | 4:55:57 | 5:09:37 | 5:52:28 | 4:19:52 |
| M35-39 | 299 | 4:28:27 | 4:44:01 | 4:55:00 | 5:11:09 | 5:47:09 | 4:16:44 |
| M40-44 | 357 | 4:32:29 | 4:44:26 | 4:56:46 | 5:13:45 | 5:51:42 | 4:18:44 |
| M45-49 | 217 | 4:35:40 | 4:51:00 | 4:55:59 | 5:19:29 | 5:58:43 | 4:20:21 |
| M50-54 | 158 | 4:32:11 | 4:46:07 | 5:00:31 | 5:25:10 | 6:05:19 | 4:31:48 |
| M55-59 | 86 | 4:56:13 | 5:03:52 | 5:17:34 | 5:37:49 | 6:15:13 | 4:56:13 |
| M60-64 | 38 | 5:12:03 | 5:23:56 | 5:27:39 | 5:40:03 | 6:13:42 | 5:12:03 |
| M65-69 | 15 | 5:22:37 | 5:22:37 | 5:42:05 | 5:51:13 | 7:07:46 | 5:22:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 525 | 4:31:50 | 5:01:26 | 5:14:58 | 5:30:51 | 6:21:49 | 4:19:13 |
| FPRO | 19 | 4:19:13 | 4:19:13 | 4:21:57 | 4:26:01 | 4:39:32 | 4:19:13 |
| F25-29 | 50 | 4:59:33 | 5:05:13 | 5:08:48 | 5:20:37 | 5:55:40 | 4:59:33 |
| F30-34 | 101 | 4:49:10 | 4:58:10 | 5:09:42 | 5:25:33 | 6:06:04 | 4:46:15 |
| F35-39 | 101 | 5:01:26 | 5:14:58 | 5:20:25 | 5:36:46 | 6:22:17 | 4:47:58 |
| F40-44 | 95 | 5:03:22 | 5:13:31 | 5:23:58 | 5:44:00 | 6:28:29 | 5:03:22 |
| F45-49 | 77 | 5:07:53 | 5:15:47 | 5:23:16 | 5:41:38 | 6:33:31 | 5:07:53 |
| F50-54 | 47 | 5:04:38 | 5:16:05 | 5:26:25 | 5:38:12 | 6:43:31 | 5:04:38 |
| F55-59 | 22 | 5:29:15 | 5:30:28 | 5:41:35 | 6:10:33 | 6:47:38 | 5:29:15 |
| F60-64 | 6 | 6:27:06 | 6:27:06 | 6:27:06 | 6:43:00 | 6:55:28 | 6:27:06 |
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.