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 | 626 | 4:20:13 | 4:41:20 | 4:52:53 | 5:07:58 | 5:51:41 | 4:02:04 |
| MPRO | 14 | 4:02:04 | 4:02:04 | 4:02:11 | 4:09:23 | 4:23:32 | 4:02:04 |
| M18-24 | 24 | 4:41:20 | 4:44:22 | 4:56:55 | 5:07:58 | 5:38:19 | 4:41:20 |
| M25-29 | 75 | 4:33:26 | 4:45:46 | 4:52:53 | 5:04:14 | 5:46:25 | 4:33:26 |
| M30-34 | 103 | 4:34:31 | 4:41:56 | 4:55:20 | 5:09:46 | 5:51:58 | 4:31:55 |
| M35-39 | 123 | 4:25:11 | 4:44:38 | 4:52:24 | 5:07:24 | 5:50:57 | 4:20:13 |
| M40-44 | 129 | 4:35:06 | 4:45:05 | 4:53:40 | 5:06:36 | 5:59:53 | 4:33:24 |
| M45-49 | 73 | 4:30:35 | 4:53:26 | 5:04:30 | 5:15:39 | 5:49:09 | 4:30:35 |
| M50-54 | 53 | 4:48:32 | 4:53:16 | 5:06:47 | 5:21:10 | 5:57:11 | 4:48:32 |
| M55-59 | 20 | 5:16:54 | 5:16:54 | 5:18:05 | 5:36:26 | 6:01:11 | 5:16:54 |
| M60-64 | 7 | 5:26:46 | 5:26:46 | 5:26:46 | 5:36:29 | 6:24:17 | 5:26:46 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 226 | 4:49:29 | 5:03:40 | 5:19:24 | 5:32:39 | 6:13:01 | 4:30:58 |
| FPRO | 6 | 4:30:58 | 4:30:58 | 4:30:58 | 4:31:46 | 4:49:29 | 4:30:58 |
| F18-24 | 6 | 4:59:10 | 4:59:10 | 4:59:10 | 5:31:44 | 7:12:48 | 4:59:10 |
| F25-29 | 38 | 4:57:24 | 5:02:30 | 5:05:32 | 5:35:00 | 6:09:22 | 4:57:24 |
| F30-34 | 49 | 5:05:34 | 5:17:29 | 5:22:24 | 5:35:35 | 6:06:19 | 5:05:34 |
| F35-39 | 43 | 4:51:51 | 5:18:14 | 5:22:46 | 5:25:46 | 6:05:29 | 4:51:51 |
| F40-44 | 49 | 4:59:38 | 5:06:54 | 5:19:24 | 5:33:14 | 6:12:11 | 4:59:38 |
| F45-49 | 12 | 5:19:35 | 5:19:35 | 5:21:02 | 5:27:22 | 5:56:54 | 5:19:35 |
| F50-54 | 14 | 5:32:39 | 5:32:39 | 6:12:02 | 6:12:16 | 6:26:44 | 5:32:39 |
| F55-59 | 6 | 6:13:58 | 6:13:58 | 6:13:58 | 6:21:16 | 6:24:54 | 6:13:58 |
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.