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 | 947 | 4:06:06 | 4:24:27 | 4:38:04 | 4:54:02 | 5:31:55 | 3:54:38 |
| MPRO | 19 | 3:54:38 | 3:54:38 | 3:54:49 | 3:58:01 | 4:08:17 | 3:54:38 |
| M18-24 | 64 | 4:11:59 | 4:31:25 | 4:35:31 | 4:52:28 | 5:17:14 | 4:11:59 |
| M25-29 | 133 | 4:07:06 | 4:19:30 | 4:40:06 | 4:51:50 | 5:27:47 | 4:04:10 |
| M30-34 | 148 | 4:12:26 | 4:21:40 | 4:34:37 | 4:47:07 | 5:26:11 | 4:08:23 |
| M35-39 | 175 | 4:13:46 | 4:31:35 | 4:43:34 | 4:56:23 | 5:34:48 | 4:02:55 |
| M40-44 | 175 | 4:16:25 | 4:36:24 | 4:47:50 | 5:00:10 | 5:31:10 | 4:15:30 |
| M45-49 | 126 | 4:26:09 | 4:33:15 | 4:42:55 | 5:01:29 | 5:38:33 | 4:19:30 |
| M50-54 | 52 | 4:36:44 | 4:40:20 | 4:52:00 | 5:03:37 | 5:31:33 | 4:36:44 |
| M55-59 | 26 | 4:41:23 | 4:49:52 | 4:51:43 | 5:09:26 | 5:58:10 | 4:41:23 |
| M60-64 | 17 | 5:09:49 | 5:09:49 | 5:18:22 | 5:35:08 | 5:51:50 | 5:09:49 |
| M65-69 | 9 | 5:42:54 | 5:42:54 | 5:42:54 | 6:03:29 | 6:34:15 | 5:42:54 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 359 | 4:36:52 | 4:49:53 | 4:58:11 | 5:11:16 | 5:50:46 | 4:23:55 |
| FPRO | 8 | 4:23:55 | 4:23:55 | 4:23:55 | 4:27:20 | 4:36:52 | 4:23:55 |
| F18-24 | 19 | 4:44:27 | 4:44:27 | 5:01:07 | 5:17:11 | 5:49:10 | 4:44:27 |
| F25-29 | 59 | 4:42:28 | 4:50:10 | 4:56:45 | 5:05:05 | 5:45:06 | 4:42:28 |
| F30-34 | 79 | 4:39:35 | 4:49:12 | 4:56:12 | 5:08:45 | 5:54:02 | 4:39:35 |
| F35-39 | 67 | 4:45:53 | 4:59:04 | 5:02:09 | 5:12:16 | 5:53:34 | 4:45:53 |
| F40-44 | 50 | 4:39:45 | 4:43:20 | 4:55:37 | 5:13:10 | 5:49:13 | 4:39:45 |
| F45-49 | 42 | 4:49:58 | 5:01:50 | 5:06:42 | 5:24:32 | 5:53:48 | 4:49:58 |
| F50-54 | 25 | 4:56:29 | 5:09:43 | 5:09:49 | 5:33:28 | 6:22:01 | 4:56:29 |
| F55-59 | 6 | 5:31:49 | 5:31:49 | 5:31:49 | 5:39:17 | 5:55:38 | 5:31:49 |
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.