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 | 618 | 4:07:27 | 4:31:18 | 4:43:45 | 4:57:54 | 5:38:56 | 3:54:50 |
| MPRO | 16 | 3:54:50 | 3:54:50 | 3:57:21 | 4:02:13 | 4:10:49 | 3:54:50 |
| M18-24 | 30 | 4:20:36 | 4:28:14 | 4:34:28 | 5:04:21 | 5:32:18 | 4:20:36 |
| M25-29 | 63 | 4:14:45 | 4:37:24 | 4:43:45 | 4:51:31 | 5:35:29 | 4:14:45 |
| M30-34 | 113 | 4:15:22 | 4:26:07 | 4:33:11 | 4:56:12 | 5:31:10 | 4:13:15 |
| M35-39 | 157 | 4:24:26 | 4:36:16 | 4:46:46 | 4:55:36 | 5:38:02 | 4:14:40 |
| M40-44 | 91 | 4:31:18 | 4:38:02 | 4:45:17 | 4:56:18 | 5:30:06 | 4:31:18 |
| M45-49 | 60 | 4:43:00 | 4:48:27 | 4:57:33 | 5:18:18 | 5:54:46 | 4:43:00 |
| M50-54 | 48 | 4:46:20 | 4:53:56 | 5:02:30 | 5:14:34 | 5:52:32 | 4:46:20 |
| M55-59 | 22 | 5:00:36 | 5:03:35 | 5:06:13 | 5:14:00 | 6:00:47 | 5:00:36 |
| M60-64 | 11 | 5:18:24 | 5:18:24 | 5:41:25 | 5:45:43 | 5:57:18 | 5:18:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 213 | 4:32:44 | 4:51:22 | 5:06:45 | 5:28:20 | 5:59:56 | 4:22:10 |
| FPRO | 10 | 4:22:10 | 4:22:10 | 4:22:10 | 4:28:21 | 4:38:16 | 4:22:10 |
| F18-24 | 8 | 5:08:38 | 5:08:38 | 5:08:38 | 5:37:02 | 5:58:20 | 5:08:38 |
| F25-29 | 33 | 4:51:08 | 4:51:22 | 5:06:45 | 5:27:23 | 5:53:18 | 4:51:08 |
| F30-34 | 35 | 4:54:28 | 5:16:26 | 5:24:10 | 5:36:39 | 6:03:51 | 4:54:28 |
| F35-39 | 49 | 4:51:21 | 5:01:28 | 5:05:42 | 5:27:36 | 6:01:42 | 4:51:21 |
| F40-44 | 34 | 5:03:42 | 5:07:40 | 5:15:08 | 5:20:05 | 5:53:28 | 5:03:42 |
| F45-49 | 24 | 5:04:48 | 5:08:02 | 5:31:20 | 5:35:34 | 6:03:57 | 5:04:48 |
| F50-54 | 11 | 5:39:22 | 5:39:22 | 5:42:07 | 5:56:49 | 6:12:52 | 5:39:22 |
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.