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 | 1,256 | 4:16:10 | 4:40:38 | 4:54:20 | 5:08:27 | 5:41:28 | 4:00:41 |
| MPRO | 10 | 4:00:41 | 4:00:41 | 4:00:41 | 4:04:05 | 4:08:53 | 4:00:41 |
| M18-24 | 25 | 4:22:48 | 4:29:06 | 4:34:20 | 4:38:06 | 5:51:21 | 4:22:48 |
| M25-29 | 88 | 4:08:59 | 4:34:47 | 4:46:05 | 4:59:06 | 5:34:45 | 4:08:59 |
| M30-34 | 221 | 4:27:27 | 4:33:44 | 4:46:25 | 5:01:20 | 5:33:36 | 4:04:53 |
| M35-39 | 299 | 4:28:07 | 4:45:07 | 4:55:05 | 5:07:55 | 5:35:20 | 4:00:56 |
| M40-44 | 289 | 4:26:11 | 4:51:17 | 5:02:20 | 5:13:43 | 5:40:53 | 4:15:27 |
| M45-49 | 194 | 4:25:07 | 4:50:44 | 5:01:59 | 5:17:21 | 5:56:05 | 4:16:10 |
| M50-54 | 102 | 4:37:40 | 5:05:29 | 5:10:24 | 5:28:17 | 6:06:56 | 4:32:40 |
| M55-59 | 24 | 4:43:35 | 4:46:04 | 5:07:30 | 5:16:35 | 5:49:09 | 4:43:35 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 282 | 4:31:54 | 4:55:37 | 5:11:26 | 5:31:12 | 6:13:22 | 4:22:33 |
| FPRO | 7 | 4:22:33 | 4:22:33 | 4:22:33 | 4:26:48 | 4:41:06 | 4:22:33 |
| F18-24 | 6 | 5:12:41 | 5:12:41 | 5:12:41 | 6:48:55 | 6:54:45 | 5:12:41 |
| F25-29 | 29 | 4:54:29 | 5:01:25 | 5:04:02 | 5:12:38 | 5:56:08 | 4:54:29 |
| F30-34 | 53 | 4:38:06 | 4:55:37 | 5:01:04 | 5:21:47 | 6:11:36 | 4:38:06 |
| F35-39 | 76 | 4:31:54 | 4:57:38 | 5:14:45 | 5:32:46 | 6:08:04 | 4:31:54 |
| F40-44 | 51 | 4:41:39 | 5:11:26 | 5:25:46 | 5:55:51 | 6:22:56 | 4:41:39 |
| F45-49 | 35 | 4:44:34 | 5:05:53 | 5:21:08 | 5:41:40 | 6:37:26 | 4:44:34 |
| F50-54 | 19 | 5:32:31 | 5:32:31 | 5:36:57 | 5:45:51 | 6:38:20 | 5:32:31 |
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.