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 | 690 | 4:33:12 | 5:08:12 | 5:22:17 | 5:39:31 | 6:19:16 | 4:18:42 |
| MPRO | 15 | 4:18:42 | 4:18:42 | 4:19:44 | 4:25:00 | 4:34:16 | 4:18:42 |
| M18-24 | 29 | 4:53:47 | 4:58:53 | 5:04:14 | 5:09:32 | 6:07:03 | 4:53:47 |
| M25-29 | 89 | 4:49:37 | 5:12:35 | 5:16:55 | 5:29:37 | 6:10:07 | 4:49:37 |
| M30-34 | 147 | 4:54:10 | 5:12:07 | 5:19:59 | 5:34:08 | 6:14:04 | 4:50:20 |
| M35-39 | 191 | 4:57:18 | 5:25:03 | 5:34:24 | 5:45:12 | 6:21:46 | 4:53:35 |
| M40-44 | 131 | 4:57:34 | 5:15:30 | 5:22:17 | 5:43:06 | 6:25:14 | 4:55:07 |
| M45-49 | 56 | 5:10:11 | 5:26:40 | 5:31:15 | 5:46:56 | 6:19:04 | 5:10:11 |
| M50-54 | 19 | 5:48:19 | 5:48:19 | 5:59:12 | 6:06:56 | 6:58:38 | 5:48:19 |
| M55-59 | 9 | 5:34:04 | 5:34:04 | 5:34:04 | 6:10:49 | 6:50:39 | 5:34:04 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 114 | 5:07:55 | 5:26:11 | 5:49:24 | 6:11:40 | 6:52:56 | 4:55:00 |
| FPRO | 7 | 4:55:00 | 4:55:00 | 4:55:00 | 5:07:55 | 5:18:46 | 4:55:00 |
| F18-24 | 5 | 6:05:08 | 6:05:08 | 6:05:08 | 6:05:08 | 6:43:05 | 6:05:08 |
| F25-29 | 16 | 6:10:24 | 6:10:24 | 6:10:45 | 6:15:26 | 6:41:34 | 6:10:24 |
| F30-34 | 26 | 5:49:14 | 5:49:24 | 5:50:38 | 6:14:01 | 6:44:50 | 5:49:14 |
| F35-39 | 32 | 5:42:02 | 5:47:41 | 5:52:12 | 6:14:38 | 6:52:56 | 5:42:02 |
| F40-44 | 19 | 6:08:25 | 6:08:25 | 6:13:11 | 6:27:16 | 7:05:29 | 6:08:25 |
| F45-49 | 6 | 6:46:41 | 6:46:41 | 6:46:41 | 7:10:01 | 7:50:10 | 6:46:41 |
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.