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 | 570 | 4:28:03 | 5:00:02 | 5:12:51 | 5:26:52 | 6:02:06 | 4:08:54 |
| MPRO | 8 | 4:08:54 | 4:08:54 | 4:08:54 | 4:11:00 | 4:26:33 | 4:08:54 |
| M18-24 | 30 | 5:15:09 | 5:15:28 | 5:22:58 | 5:50:45 | 6:14:36 | 5:15:09 |
| M25-29 | 59 | 4:11:33 | 4:51:05 | 4:56:47 | 5:14:17 | 5:53:16 | 4:11:33 |
| M30-34 | 79 | 4:34:48 | 4:46:01 | 5:00:40 | 5:09:57 | 5:51:22 | 4:34:48 |
| M35-39 | 104 | 4:56:32 | 5:04:52 | 5:12:15 | 5:21:55 | 5:54:00 | 4:53:48 |
| M40-44 | 118 | 4:57:39 | 5:14:16 | 5:19:54 | 5:27:19 | 6:02:36 | 4:41:31 |
| M45-49 | 89 | 4:54:10 | 5:07:39 | 5:20:12 | 5:33:09 | 6:11:48 | 4:54:10 |
| M50-54 | 51 | 5:15:17 | 5:29:13 | 5:33:07 | 5:42:35 | 6:22:55 | 5:15:17 |
| M55-59 | 25 | 5:04:10 | 5:15:15 | 5:42:00 | 5:51:54 | 6:08:57 | 5:04:10 |
| M60-64 | 6 | 5:27:16 | 5:27:16 | 5:27:16 | 5:57:39 | 6:06:36 | 5:27:16 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 228 | 4:48:10 | 5:05:40 | 5:26:14 | 5:53:14 | 6:32:57 | 4:34:47 |
| FPRO | 12 | 4:34:47 | 4:34:47 | 4:44:10 | 4:48:10 | 4:56:58 | 4:34:47 |
| F18-24 | 12 | 5:53:44 | 5:53:44 | 6:10:38 | 6:19:07 | 6:46:26 | 5:53:44 |
| F25-29 | 31 | 5:05:40 | 5:07:08 | 5:41:59 | 5:56:41 | 6:16:11 | 5:05:40 |
| F30-34 | 34 | 5:18:03 | 5:18:52 | 5:21:33 | 5:51:02 | 6:15:29 | 5:18:03 |
| F35-39 | 47 | 5:05:07 | 5:16:24 | 5:32:59 | 5:53:14 | 6:29:16 | 5:05:07 |
| F40-44 | 43 | 5:32:32 | 5:35:12 | 5:41:35 | 6:01:49 | 6:40:14 | 5:32:32 |
| F45-49 | 27 | 5:39:16 | 5:46:10 | 6:00:43 | 6:10:02 | 6:48:26 | 5:39:16 |
| F50-54 | 14 | 5:18:47 | 5:18:47 | 6:20:01 | 6:22:11 | 6:50:48 | 5:18:47 |
| F55-59 | 8 | 6:13:32 | 6:13:32 | 6:13:32 | 6:20:32 | 6:47:45 | 6:13:32 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.