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 | 811 | 4:05:31 | 4:27:47 | 4:37:40 | 4:51:00 | 5:19:46 | 3:50:00 |
| MPRO | 14 | 3:50:00 | 3:50:00 | 3:53:32 | 3:54:45 | 4:05:31 | 3:50:00 |
| M18-24 | 24 | 4:21:59 | 4:22:21 | 4:26:25 | 4:28:14 | 5:15:47 | 4:21:59 |
| M25-29 | 86 | 4:13:10 | 4:25:23 | 4:30:19 | 4:41:00 | 5:08:33 | 4:13:10 |
| M30-34 | 144 | 4:12:34 | 4:27:49 | 4:35:22 | 4:47:10 | 5:15:21 | 4:05:13 |
| M35-39 | 172 | 4:26:26 | 4:30:55 | 4:42:40 | 4:55:16 | 5:17:31 | 4:07:54 |
| M40-44 | 164 | 4:24:27 | 4:42:43 | 4:47:18 | 4:58:59 | 5:24:03 | 4:05:03 |
| M45-49 | 111 | 4:24:06 | 4:37:17 | 4:46:34 | 4:53:47 | 5:21:18 | 4:15:12 |
| M50-54 | 68 | 4:27:26 | 4:45:29 | 4:54:04 | 5:05:22 | 5:36:49 | 4:27:26 |
| M55-59 | 21 | 4:32:50 | 4:37:40 | 4:59:08 | 5:14:20 | 5:34:22 | 4:32:50 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 250 | 4:24:07 | 4:45:59 | 4:54:31 | 5:17:55 | 5:47:53 | 4:13:04 |
| F18-24 | 10 | 4:50:24 | 4:50:24 | 4:50:24 | 5:20:01 | 5:42:22 | 4:50:24 |
| F25-29 | 37 | 4:45:22 | 4:49:04 | 4:52:44 | 5:20:52 | 5:53:56 | 4:45:22 |
| F30-34 | 57 | 4:28:32 | 4:40:03 | 4:46:17 | 5:09:31 | 5:35:36 | 4:28:32 |
| F35-39 | 54 | 4:44:00 | 4:48:26 | 4:53:32 | 5:18:14 | 5:46:06 | 4:44:00 |
| F40-44 | 45 | 4:41:26 | 5:01:57 | 5:10:20 | 5:19:49 | 5:54:10 | 4:41:26 |
| F45-49 | 29 | 4:52:40 | 5:11:43 | 5:23:20 | 5:34:58 | 6:14:03 | 4:52:40 |
| F50-54 | 8 | 5:44:00 | 5:44:00 | 5:44:00 | 5:45:52 | 5:53:53 | 5:44:00 |
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.