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 | 724 | 4:05:46 | 4:38:20 | 4:53:11 | 5:13:12 | 5:54:20 | 3:57:47 |
| MPRO | 22 | 3:57:47 | 3:59:07 | 3:59:53 | 4:01:32 | 4:09:22 | 3:57:47 |
| M18-24 | 38 | 4:15:42 | 4:33:22 | 4:48:37 | 5:19:57 | 5:44:01 | 4:15:42 |
| M25-29 | 94 | 4:28:28 | 4:44:02 | 4:51:14 | 5:05:51 | 5:45:31 | 4:28:28 |
| M30-34 | 97 | 4:26:39 | 4:40:11 | 4:58:01 | 5:12:43 | 5:51:59 | 4:26:39 |
| M35-39 | 156 | 4:30:10 | 4:41:55 | 4:53:04 | 5:13:03 | 5:51:24 | 4:25:55 |
| M40-44 | 136 | 4:49:32 | 5:01:38 | 5:05:59 | 5:24:27 | 6:00:38 | 4:37:50 |
| M45-49 | 95 | 4:35:17 | 4:53:05 | 4:58:16 | 5:11:12 | 6:01:39 | 4:35:17 |
| M50-54 | 48 | 4:50:57 | 5:19:33 | 5:20:40 | 5:36:30 | 6:13:18 | 4:50:57 |
| M55-59 | 22 | 5:18:18 | 5:20:24 | 5:29:36 | 5:42:34 | 6:11:07 | 5:18:18 |
| M60-64 | 9 | 5:42:24 | 5:42:24 | 5:42:24 | 5:46:04 | 6:22:24 | 5:42:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 338 | 4:32:41 | 4:57:14 | 5:16:37 | 5:41:16 | 6:24:40 | 4:27:16 |
| FPRO | 16 | 4:27:16 | 4:27:16 | 4:27:36 | 4:32:41 | 4:40:49 | 4:27:16 |
| F18-24 | 12 | 5:00:41 | 5:00:41 | 5:11:12 | 5:55:42 | 6:11:15 | 5:00:41 |
| F25-29 | 51 | 4:49:05 | 5:08:46 | 5:39:25 | 5:57:59 | 6:23:12 | 4:49:05 |
| F30-34 | 65 | 4:38:40 | 5:14:51 | 5:24:29 | 5:33:30 | 6:13:13 | 4:38:40 |
| F35-39 | 62 | 5:06:03 | 5:26:09 | 5:40:42 | 5:56:54 | 6:37:09 | 5:06:03 |
| F40-44 | 59 | 4:59:33 | 5:10:51 | 5:20:39 | 5:50:40 | 6:35:47 | 4:59:33 |
| F45-49 | 35 | 5:21:01 | 5:25:14 | 5:30:06 | 5:41:52 | 6:29:13 | 5:21:01 |
| F50-54 | 26 | 5:04:19 | 5:30:25 | 5:38:58 | 6:08:37 | 6:27:38 | 5:04:19 |
| F55-59 | 9 | 5:45:39 | 5:45:39 | 5:45:39 | 6:29:34 | 6:59:09 | 5:45:39 |
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.