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 | 1,532 | 4:15:28 | 4:37:22 | 4:51:11 | 5:06:29 | 5:42:16 | 3:55:18 |
| MPRO | 24 | 3:55:18 | 3:55:19 | 3:59:39 | 4:00:50 | 4:06:50 | 3:55:18 |
| M18-24 | 61 | 4:20:45 | 4:29:00 | 4:32:20 | 4:50:50 | 5:33:44 | 4:20:45 |
| M25-29 | 175 | 4:28:01 | 4:34:58 | 4:47:09 | 5:01:07 | 5:42:05 | 4:19:43 |
| M30-34 | 285 | 4:22:31 | 4:38:01 | 4:51:59 | 5:04:42 | 5:39:23 | 4:16:08 |
| M35-39 | 239 | 4:30:22 | 4:45:47 | 4:54:15 | 5:08:29 | 5:42:06 | 4:15:00 |
| M40-44 | 272 | 4:29:22 | 4:42:15 | 4:54:03 | 5:05:13 | 5:35:49 | 4:23:17 |
| M45-49 | 232 | 4:43:38 | 4:57:45 | 5:03:30 | 5:16:29 | 5:44:25 | 4:36:47 |
| M50-54 | 151 | 4:28:34 | 4:41:20 | 4:58:20 | 5:14:21 | 5:45:31 | 4:27:30 |
| M55-59 | 60 | 4:42:33 | 4:59:02 | 5:12:28 | 5:22:57 | 6:05:18 | 4:42:33 |
| M60-64 | 24 | 4:55:11 | 5:10:21 | 5:12:44 | 5:47:19 | 6:10:59 | 4:55:11 |
| M65-69 | 8 | 5:32:47 | 5:32:47 | 5:32:47 | 5:54:01 | 6:27:48 | 5:32:47 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 194 | 4:31:40 | 4:39:29 | 5:04:00 | 5:22:41 | 6:06:48 | 4:29:36 |
| FPRO | 9 | 4:29:36 | 4:29:36 | 4:29:36 | 4:31:40 | 4:37:20 | 4:29:36 |
| F18-24 | 7 | 5:08:49 | 5:08:49 | 5:08:49 | 5:16:27 | 6:11:36 | 5:08:49 |
| F25-29 | 43 | 4:39:28 | 5:15:43 | 5:20:10 | 5:30:03 | 6:00:14 | 4:39:28 |
| F30-34 | 31 | 4:54:05 | 5:01:40 | 5:02:27 | 5:26:59 | 5:55:56 | 4:54:05 |
| F35-39 | 31 | 5:02:35 | 5:04:40 | 5:14:01 | 5:22:41 | 6:18:26 | 5:02:35 |
| F40-44 | 24 | 4:39:11 | 4:39:29 | 5:16:11 | 5:22:52 | 6:08:46 | 4:39:11 |
| F45-49 | 21 | 4:56:17 | 4:57:53 | 5:15:15 | 5:38:46 | 6:07:16 | 4:56:17 |
| F50-54 | 18 | 5:20:32 | 5:20:32 | 5:23:19 | 5:49:08 | 6:25:55 | 5:20:32 |
| F55-59 | 7 | 5:39:57 | 5:39:57 | 5:39:57 | 6:11:11 | 6:31:54 | 5:39:57 |
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.