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 | 972 | 4:39:17 | 5:12:02 | 5:29:32 | 5:45:43 | 6:23:47 | 4:17:03 |
| MPRO | 14 | 4:17:03 | 4:17:03 | 4:20:27 | 4:24:32 | 4:29:09 | 4:17:03 |
| M18-24 | 38 | 5:02:14 | 5:30:31 | 5:36:12 | 5:46:02 | 6:16:51 | 5:02:14 |
| M25-29 | 138 | 4:53:03 | 5:10:19 | 5:25:41 | 5:44:52 | 6:22:33 | 4:50:00 |
| M30-34 | 202 | 4:55:51 | 5:13:42 | 5:23:50 | 5:38:11 | 6:15:01 | 4:51:38 |
| M35-39 | 218 | 5:02:49 | 5:11:17 | 5:32:54 | 5:48:22 | 6:32:10 | 4:57:28 |
| M40-44 | 214 | 5:11:01 | 5:21:08 | 5:31:48 | 5:49:44 | 6:22:59 | 4:53:30 |
| M45-49 | 92 | 5:16:34 | 5:29:20 | 5:39:43 | 5:51:52 | 6:29:33 | 5:16:34 |
| M50-54 | 39 | 5:30:40 | 5:31:11 | 5:42:38 | 5:49:05 | 6:28:15 | 5:30:40 |
| M55-59 | 13 | 5:40:14 | 5:40:14 | 6:06:57 | 6:07:26 | 6:44:45 | 5:40:14 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 114 | 4:55:42 | 5:09:31 | 5:37:59 | 6:04:00 | 7:05:45 | 4:53:52 |
| FPRO | 5 | 4:53:52 | 4:53:52 | 4:53:52 | 4:53:52 | 4:56:26 | 4:53:52 |
| F25-29 | 15 | 5:05:46 | 5:05:46 | 6:04:18 | 6:09:02 | 6:54:34 | 5:05:46 |
| F30-34 | 25 | 5:24:05 | 5:35:23 | 5:44:50 | 6:03:53 | 6:33:29 | 5:24:05 |
| F35-39 | 25 | 5:20:45 | 5:30:14 | 5:36:03 | 5:49:00 | 7:09:13 | 5:20:45 |
| F40-44 | 22 | 5:44:54 | 5:55:52 | 5:58:17 | 6:17:32 | 7:24:28 | 5:44:54 |
| F45-49 | 12 | 5:37:59 | 5:37:59 | 5:49:20 | 6:04:00 | 6:43:00 | 5:37:59 |
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.