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 | 1,020 | 3:46:27 | 4:18:37 | 4:32:15 | 4:44:37 | 5:18:34 | 3:28:12 |
| MPRO | 16 | 3:28:12 | 3:28:12 | 3:35:09 | 3:39:51 | 3:42:49 | 3:28:12 |
| M18-24 | 53 | 4:08:36 | 4:20:42 | 4:49:59 | 5:01:38 | 5:49:53 | 4:08:36 |
| M25-29 | 126 | 4:04:43 | 4:17:18 | 4:30:18 | 4:49:45 | 5:35:29 | 4:00:28 |
| M30-34 | 162 | 4:05:27 | 4:24:29 | 4:33:02 | 4:40:12 | 5:13:48 | 4:04:33 |
| M35-39 | 162 | 4:14:45 | 4:29:37 | 4:36:40 | 4:43:34 | 5:13:11 | 3:54:16 |
| M40-44 | 215 | 4:09:41 | 4:18:16 | 4:30:08 | 4:42:03 | 5:11:58 | 4:05:01 |
| M45-49 | 140 | 4:15:24 | 4:31:59 | 4:36:44 | 4:46:33 | 5:15:34 | 4:09:01 |
| M50-54 | 87 | 4:14:06 | 4:27:13 | 4:36:23 | 4:50:19 | 5:18:11 | 4:14:06 |
| M55-59 | 35 | 4:34:06 | 4:45:02 | 4:48:46 | 4:55:02 | 5:23:38 | 4:34:06 |
| M60-64 | 17 | 4:32:15 | 4:32:15 | 4:55:16 | 5:12:17 | 5:49:23 | 4:32:15 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 210 | 4:07:53 | 4:31:05 | 4:49:43 | 5:01:14 | 5:37:33 | 3:52:09 |
| FPRO | 6 | 3:52:09 | 3:52:09 | 3:52:09 | 4:04:45 | 4:07:53 | 3:52:09 |
| F18-24 | 11 | 4:50:28 | 4:50:28 | 5:13:06 | 5:24:30 | 5:42:44 | 4:50:28 |
| F25-29 | 33 | 4:31:05 | 4:38:24 | 4:51:18 | 4:59:54 | 5:35:14 | 4:31:05 |
| F30-34 | 40 | 4:22:33 | 4:40:47 | 4:47:30 | 4:57:50 | 5:40:12 | 4:22:33 |
| F35-39 | 36 | 4:17:56 | 4:18:27 | 4:27:30 | 4:55:55 | 5:22:55 | 4:17:56 |
| F40-44 | 37 | 4:35:36 | 4:39:14 | 4:56:47 | 5:05:40 | 5:22:53 | 4:35:36 |
| F45-49 | 20 | 4:39:57 | 4:39:57 | 4:49:43 | 5:00:20 | 5:42:35 | 4:39:57 |
| F50-54 | 15 | 4:55:11 | 4:55:11 | 5:08:20 | 5:13:08 | 5:53:26 | 4:55:11 |
| F55-59 | 5 | 5:37:33 | 5:37:33 | 5:37:33 | 5:37:33 | 5:42:18 | 5:37:33 |
| F60-64 | 5 | 6:10:46 | 6:10:46 | 6:10:46 | 6:10:46 | 6:56:24 | 6:10:46 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.