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 | 1,032 | 4:32:39 | 4:51:38 | 5:06:53 | 5:25:28 | 6:00:40 | 4:13:25 |
| MPRO | 23 | 4:13:25 | 4:15:31 | 4:18:28 | 4:24:39 | 4:39:47 | 4:13:25 |
| M18-24 | 24 | 4:42:35 | 4:49:20 | 4:54:55 | 5:03:54 | 5:30:35 | 4:42:35 |
| M25-29 | 76 | 4:40:33 | 4:47:50 | 5:07:39 | 5:28:39 | 5:56:05 | 4:40:33 |
| M30-34 | 140 | 4:36:18 | 4:47:53 | 4:57:55 | 5:19:37 | 5:55:43 | 4:32:39 |
| M35-39 | 220 | 4:48:21 | 4:57:17 | 5:07:00 | 5:22:30 | 5:52:38 | 4:42:47 |
| M40-44 | 243 | 4:34:46 | 4:57:48 | 5:14:20 | 5:27:32 | 6:01:02 | 4:24:47 |
| M45-49 | 178 | 4:59:14 | 5:05:55 | 5:11:45 | 5:32:22 | 6:05:17 | 4:50:59 |
| M50-54 | 83 | 4:58:33 | 5:19:18 | 5:33:04 | 5:45:30 | 6:12:42 | 4:58:33 |
| M55-59 | 34 | 5:18:29 | 5:28:55 | 5:46:42 | 6:00:44 | 6:21:12 | 5:18:29 |
| M60-64 | 9 | 5:25:53 | 5:25:53 | 5:25:53 | 5:56:07 | 6:25:41 | 5:25:53 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 114 | 4:47:58 | 5:01:43 | 5:20:48 | 5:35:25 | 6:23:09 | 4:44:01 |
| FPRO | 8 | 4:47:58 | 4:47:58 | 4:47:58 | 4:50:06 | 4:57:09 | 4:47:58 |
| F25-29 | 12 | 4:44:01 | 4:44:01 | 5:17:13 | 5:35:25 | 6:26:41 | 4:44:01 |
| F30-34 | 26 | 5:25:46 | 5:28:10 | 5:35:12 | 5:53:08 | 6:15:02 | 5:25:46 |
| F35-39 | 27 | 5:13:53 | 5:14:18 | 5:17:49 | 5:32:26 | 6:17:14 | 5:13:53 |
| F40-44 | 15 | 5:21:14 | 5:21:14 | 5:29:55 | 5:34:13 | 6:08:42 | 5:21:14 |
| F45-49 | 17 | 5:38:15 | 5:38:15 | 5:54:01 | 6:06:59 | 6:39:54 | 5:38:15 |
| F50-54 | 7 | 6:16:48 | 6:16:48 | 6:16:48 | 6:23:09 | 7:37:36 | 6:16:48 |
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.