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 | 1,348 | 4:20:38 | 4:40:07 | 4:53:41 | 5:12:59 | 5:49:11 | 3:59:58 |
| MPRO | 26 | 3:59:58 | 4:04:28 | 4:07:13 | 4:10:28 | 4:19:05 | 3:59:58 |
| M18-24 | 62 | 4:23:00 | 4:40:14 | 4:46:04 | 5:00:59 | 5:36:58 | 4:23:00 |
| M25-29 | 192 | 4:23:03 | 4:37:26 | 4:46:35 | 5:07:53 | 5:48:56 | 4:20:38 |
| M30-34 | 295 | 4:27:14 | 4:41:39 | 4:54:26 | 5:09:22 | 5:44:57 | 4:26:43 |
| M35-39 | 283 | 4:30:05 | 4:45:23 | 4:56:10 | 5:12:41 | 5:46:54 | 4:21:35 |
| M40-44 | 236 | 4:35:17 | 4:48:51 | 5:04:39 | 5:16:26 | 5:49:58 | 4:29:00 |
| M45-49 | 126 | 4:57:19 | 5:04:24 | 5:14:27 | 5:28:47 | 5:59:21 | 4:41:21 |
| M50-54 | 75 | 4:50:05 | 5:05:14 | 5:15:43 | 5:24:41 | 6:01:33 | 4:50:05 |
| M55-59 | 27 | 5:11:35 | 5:15:21 | 5:18:16 | 5:25:03 | 6:12:32 | 5:11:35 |
| M60-64 | 15 | 5:39:27 | 5:39:27 | 5:42:41 | 6:01:19 | 6:45:52 | 5:39:27 |
| M65-69 | 7 | 5:59:34 | 5:59:34 | 5:59:34 | 6:04:07 | 6:26:09 | 5:59:34 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 446 | 4:40:45 | 4:57:50 | 5:18:21 | 5:40:18 | 6:23:40 | 4:28:15 |
| FPRO | 28 | 4:28:15 | 4:31:28 | 4:32:44 | 4:40:52 | 4:51:47 | 4:28:15 |
| F18-24 | 24 | 5:09:09 | 5:10:32 | 5:21:43 | 5:41:03 | 6:26:56 | 5:09:09 |
| F25-29 | 70 | 5:01:17 | 5:18:03 | 5:21:01 | 5:37:23 | 6:09:25 | 5:01:17 |
| F30-34 | 94 | 4:57:50 | 5:12:40 | 5:28:59 | 5:46:03 | 6:24:35 | 4:57:50 |
| F35-39 | 96 | 4:56:06 | 5:18:21 | 5:26:04 | 5:47:15 | 6:28:37 | 4:56:06 |
| F40-44 | 66 | 5:16:32 | 5:32:11 | 5:35:41 | 5:50:36 | 6:30:16 | 5:16:32 |
| F45-49 | 34 | 5:25:40 | 5:28:00 | 5:39:48 | 5:49:13 | 6:38:29 | 5:25:40 |
| F50-54 | 21 | 5:47:30 | 5:51:47 | 5:57:13 | 6:05:01 | 6:11:18 | 5:47:30 |
| F55-59 | 7 | 6:01:05 | 6:01:05 | 6:01:05 | 6:03:49 | 7:09:22 | 6:01:05 |
| F60-64 | 5 | 6:27:17 | 6:27:17 | 6:27:17 | 6:27:17 | 7:42:32 | 6:27:17 |
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.