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 | 355 | 4:10:02 | 4:36:16 | 4:53:58 | 5:09:30 | 5:50:48 | 3:40:59 |
| MPRO | 18 | 4:05:34 | 4:05:34 | 4:08:41 | 4:10:15 | 4:17:49 | 4:05:34 |
| M18-24 | 9 | 5:02:01 | 5:02:01 | 5:02:01 | 5:02:12 | 5:36:37 | 5:02:01 |
| M25-29 | 25 | 4:20:07 | 4:39:19 | 4:45:38 | 5:04:50 | 5:40:10 | 4:20:07 |
| M30-34 | 53 | 4:34:26 | 4:42:54 | 5:02:47 | 5:06:48 | 5:36:25 | 4:34:26 |
| M35-39 | 65 | 4:36:00 | 4:47:53 | 5:02:03 | 5:10:51 | 5:52:02 | 4:36:00 |
| M40-44 | 73 | 3:40:59 | 4:44:32 | 5:00:08 | 5:15:51 | 5:54:24 | 3:40:59 |
| M45-49 | 47 | 4:52:08 | 4:54:27 | 4:55:54 | 5:32:54 | 6:10:28 | 4:52:08 |
| M50-54 | 32 | 4:57:53 | 5:02:01 | 5:06:10 | 5:21:50 | 6:05:12 | 4:57:53 |
| M55-59 | 20 | 5:10:42 | 5:10:42 | 5:22:57 | 5:30:46 | 6:15:30 | 5:10:42 |
| M60-64 | 6 | 5:30:05 | 5:30:05 | 5:30:05 | 6:20:07 | 6:34:46 | 5:30:05 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 144 | 4:36:33 | 4:56:13 | 5:15:51 | 5:40:35 | 6:29:00 | 4:26:56 |
| FPRO | 10 | 4:26:56 | 4:26:56 | 4:26:56 | 4:36:33 | 4:47:13 | 4:26:56 |
| F18-24 | 8 | 5:51:33 | 5:51:33 | 5:51:33 | 5:56:36 | 6:30:35 | 5:51:33 |
| F25-29 | 16 | 5:22:53 | 5:22:53 | 5:31:21 | 5:43:12 | 6:23:52 | 5:22:53 |
| F30-34 | 28 | 5:11:05 | 5:30:05 | 5:31:20 | 5:44:52 | 6:44:46 | 5:11:05 |
| F35-39 | 21 | 5:03:07 | 5:15:51 | 5:18:12 | 5:51:14 | 6:46:27 | 5:03:07 |
| F40-44 | 25 | 5:12:16 | 5:13:14 | 5:29:21 | 5:40:35 | 6:09:22 | 5:12:16 |
| F45-49 | 21 | 5:32:32 | 5:41:52 | 5:44:01 | 5:56:32 | 6:56:50 | 5:32:32 |
| F50-54 | 10 | 5:29:00 | 5:29:00 | 5:29:00 | 5:31:38 | 6:11:09 | 5:29:00 |
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.