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 | 936 | 4:15:55 | 4:43:44 | 4:57:35 | 5:12:34 | 5:47:16 | 3:59:42 |
| MPRO | 20 | 3:59:42 | 3:59:42 | 4:05:08 | 4:10:52 | 4:15:55 | 3:59:42 |
| M18-24 | 36 | 4:37:07 | 4:40:01 | 4:45:48 | 4:55:44 | 5:14:31 | 4:37:07 |
| M25-29 | 123 | 4:25:05 | 4:37:40 | 4:47:28 | 5:01:53 | 5:43:26 | 4:23:38 |
| M30-34 | 181 | 4:36:12 | 4:44:47 | 4:53:56 | 5:08:09 | 5:38:31 | 4:28:31 |
| M35-39 | 160 | 4:34:41 | 4:54:46 | 5:06:21 | 5:14:09 | 5:40:21 | 4:30:18 |
| M40-44 | 155 | 4:50:48 | 5:03:45 | 5:08:32 | 5:18:27 | 5:48:07 | 4:42:51 |
| M45-49 | 99 | 4:34:15 | 4:56:16 | 5:11:22 | 5:24:49 | 5:58:39 | 4:34:15 |
| M50-54 | 87 | 4:43:43 | 5:03:58 | 5:13:55 | 5:35:40 | 6:11:54 | 4:43:43 |
| M55-59 | 50 | 5:03:48 | 5:09:51 | 5:13:19 | 5:29:19 | 6:08:13 | 5:03:48 |
| M60-64 | 20 | 5:20:16 | 5:20:16 | 5:30:14 | 5:50:17 | 6:12:51 | 5:20:16 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 188 | 4:31:53 | 4:56:38 | 5:20:43 | 5:42:37 | 6:16:51 | 4:21:49 |
| FPRO | 9 | 4:21:49 | 4:21:49 | 4:21:49 | 4:31:53 | 4:44:28 | 4:21:49 |
| F18-24 | 7 | 5:15:27 | 5:15:27 | 5:15:27 | 5:20:43 | 5:51:42 | 5:15:27 |
| F25-29 | 33 | 5:09:58 | 5:19:33 | 5:31:32 | 5:38:50 | 6:11:19 | 5:09:58 |
| F30-34 | 46 | 4:56:38 | 5:15:17 | 5:27:07 | 5:41:53 | 6:08:54 | 4:56:38 |
| F35-39 | 29 | 5:13:38 | 5:48:32 | 6:00:54 | 6:07:26 | 6:35:30 | 5:13:38 |
| F40-44 | 18 | 5:10:05 | 5:10:05 | 5:31:53 | 5:37:17 | 6:04:44 | 5:10:05 |
| F45-49 | 27 | 5:29:27 | 5:33:09 | 5:33:55 | 5:50:43 | 6:39:52 | 5:29:27 |
| F50-54 | 15 | 6:08:49 | 6:08:49 | 6:13:01 | 6:15:58 | 7:11:59 | 6:08:49 |
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.