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 | 803 | 4:13:48 | 4:52:33 | 5:09:16 | 5:29:30 | 6:12:24 | 4:02:11 |
| MPRO | 20 | 4:02:11 | 4:02:11 | 4:02:21 | 4:08:40 | 4:15:23 | 4:02:11 |
| M18-24 | 36 | 4:30:13 | 4:32:04 | 4:59:25 | 5:45:34 | 6:21:18 | 4:30:13 |
| M25-29 | 82 | 4:27:35 | 4:49:07 | 4:59:56 | 5:25:13 | 6:08:18 | 4:27:35 |
| M30-34 | 126 | 4:49:47 | 5:08:19 | 5:13:34 | 5:30:11 | 6:07:07 | 4:13:29 |
| M35-39 | 174 | 4:34:41 | 4:54:21 | 5:05:24 | 5:27:03 | 5:58:12 | 4:21:11 |
| M40-44 | 144 | 4:41:46 | 5:09:01 | 5:21:13 | 5:35:37 | 6:16:49 | 4:29:41 |
| M45-49 | 109 | 4:53:55 | 5:00:03 | 5:07:44 | 5:27:36 | 6:16:16 | 4:29:03 |
| M50-54 | 59 | 4:41:58 | 5:15:24 | 5:36:31 | 5:47:22 | 6:36:20 | 4:41:58 |
| M55-59 | 42 | 5:09:16 | 5:34:57 | 5:46:11 | 5:58:29 | 6:41:15 | 5:09:16 |
| M60-64 | 7 | 5:14:47 | 5:14:47 | 5:14:47 | 6:12:58 | 7:01:37 | 5:14:47 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 339 | 4:42:42 | 5:09:16 | 5:28:43 | 5:51:04 | 6:42:41 | 4:25:14 |
| FPRO | 10 | 4:25:14 | 4:25:14 | 4:25:14 | 4:29:22 | 4:44:50 | 4:25:14 |
| F18-24 | 13 | 5:45:03 | 5:45:03 | 5:55:38 | 6:12:03 | 7:03:29 | 5:45:03 |
| F25-29 | 50 | 5:03:07 | 5:17:17 | 5:32:33 | 5:47:43 | 6:42:16 | 5:03:07 |
| F30-34 | 70 | 5:01:35 | 5:09:16 | 5:18:59 | 5:35:07 | 6:19:13 | 5:01:35 |
| F35-39 | 62 | 5:19:21 | 5:27:05 | 5:35:17 | 5:51:04 | 6:47:23 | 5:19:21 |
| F40-44 | 53 | 4:58:45 | 5:18:46 | 5:41:29 | 5:58:28 | 6:33:04 | 4:58:45 |
| F45-49 | 47 | 5:44:03 | 5:47:36 | 5:52:43 | 6:21:03 | 6:55:18 | 5:44:03 |
| F50-54 | 22 | 6:09:57 | 6:13:46 | 6:17:44 | 6:25:21 | 6:52:43 | 6:09:57 |
| F55-59 | 6 | 6:45:10 | 6:45:10 | 6:45:10 | 6:53:02 | 7:05:34 | 6:45:10 |
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.