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 | 846 | 4:24:17 | 4:56:19 | 5:15:54 | 5:41:03 | 6:27:19 | 4:02:59 |
| MPRO | 10 | 4:02:59 | 4:02:59 | 4:02:59 | 4:05:48 | 4:10:17 | 4:02:59 |
| M18-24 | 52 | 4:35:50 | 4:49:04 | 5:11:57 | 5:32:21 | 6:21:17 | 4:35:50 |
| M25-29 | 108 | 4:34:04 | 4:53:23 | 5:06:25 | 5:30:28 | 6:22:29 | 4:29:18 |
| M30-34 | 145 | 4:36:05 | 5:00:23 | 5:26:53 | 5:47:11 | 6:27:46 | 4:33:46 |
| M35-39 | 151 | 4:31:19 | 4:55:14 | 5:17:50 | 5:35:03 | 6:25:59 | 4:24:17 |
| M40-44 | 120 | 4:48:56 | 4:56:19 | 5:09:00 | 5:30:15 | 6:21:48 | 4:47:52 |
| M45-49 | 115 | 5:02:50 | 5:20:08 | 5:34:45 | 5:47:27 | 6:27:16 | 4:42:18 |
| M50-54 | 63 | 4:57:16 | 5:12:41 | 5:29:07 | 5:51:03 | 6:31:27 | 4:57:16 |
| M55-59 | 53 | 5:23:16 | 5:41:35 | 5:55:28 | 6:03:08 | 6:48:52 | 5:23:16 |
| M60-64 | 21 | 5:23:54 | 5:25:28 | 5:25:38 | 5:41:24 | 7:12:10 | 5:23:54 |
| M65-69 | 6 | 5:49:19 | 5:49:19 | 5:49:19 | 6:07:16 | 7:00:18 | 5:49:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 296 | 4:41:17 | 5:29:41 | 5:48:19 | 6:08:00 | 6:46:45 | 4:34:05 |
| FPRO | 9 | 4:34:05 | 4:34:05 | 4:34:05 | 4:36:08 | 4:48:39 | 4:34:05 |
| F18-24 | 21 | 5:05:52 | 5:33:33 | 5:34:06 | 5:54:44 | 6:11:06 | 5:05:52 |
| F25-29 | 43 | 5:36:22 | 5:45:06 | 5:55:49 | 6:07:47 | 6:37:37 | 5:36:22 |
| F30-34 | 47 | 5:26:45 | 5:48:22 | 5:52:13 | 6:10:33 | 6:37:18 | 5:26:45 |
| F35-39 | 61 | 5:08:49 | 5:22:38 | 5:41:29 | 6:08:33 | 6:54:44 | 5:08:49 |
| F40-44 | 47 | 5:36:48 | 5:50:43 | 5:59:00 | 6:14:51 | 6:42:43 | 5:36:48 |
| F45-49 | 31 | 5:40:26 | 5:58:43 | 6:19:13 | 6:42:24 | 7:10:23 | 5:40:26 |
| F50-54 | 22 | 5:55:27 | 5:57:22 | 6:07:53 | 6:14:55 | 6:50:52 | 5:55:27 |
| F55-59 | 11 | 6:36:48 | 6:36:48 | 6:45:38 | 7:13:21 | 7:25:01 | 6:36:48 |
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.