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 | 435 | 3:58:58 | 4:40:15 | 4:57:33 | 5:16:23 | 6:12:01 | 3:52:58 |
| MPRO | 11 | 3:52:58 | 3:52:58 | 3:56:34 | 3:57:05 | 3:59:03 | 3:52:58 |
| M25-29 | 23 | 4:27:03 | 4:35:49 | 4:52:18 | 5:13:02 | 6:02:31 | 4:27:03 |
| M30-34 | 76 | 4:15:50 | 4:40:15 | 4:51:45 | 5:09:19 | 5:51:31 | 4:15:50 |
| M35-39 | 102 | 4:32:10 | 4:50:49 | 5:06:31 | 5:13:59 | 6:15:05 | 4:27:38 |
| M40-44 | 90 | 4:44:17 | 4:57:29 | 5:07:30 | 5:30:16 | 6:19:03 | 4:44:17 |
| M45-49 | 69 | 4:30:37 | 4:52:01 | 5:00:59 | 5:38:44 | 6:08:42 | 4:30:37 |
| M50-54 | 41 | 4:39:29 | 4:56:13 | 4:59:18 | 5:24:41 | 6:39:18 | 4:39:29 |
| M55-59 | 13 | 5:07:29 | 5:07:29 | 5:36:34 | 5:46:02 | 6:20:24 | 5:07:29 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 77 | 4:24:44 | 4:32:08 | 5:04:50 | 5:32:17 | 6:20:32 | 4:24:44 |
| FPRO | 6 | 4:24:44 | 4:24:44 | 4:24:44 | 4:26:52 | 4:30:55 | 4:24:44 |
| F25-29 | 9 | 5:04:50 | 5:04:50 | 5:04:50 | 5:25:15 | 5:55:15 | 5:04:50 |
| F30-34 | 9 | 5:09:34 | 5:09:34 | 5:09:34 | 5:10:20 | 6:20:32 | 5:09:34 |
| F35-39 | 16 | 4:42:04 | 4:42:04 | 5:20:39 | 5:54:01 | 6:31:55 | 4:42:04 |
| F40-44 | 16 | 5:42:18 | 5:42:18 | 5:44:37 | 6:01:09 | 6:21:00 | 5:42:18 |
| F45-49 | 12 | 5:28:38 | 5:28:38 | 5:28:55 | 5:32:17 | 6:22:55 | 5:28:38 |
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.