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 | 804 | 4:02:08 | 4:26:14 | 4:42:34 | 5:00:00 | 5:45:51 | 3:48:42 |
| MPRO | 8 | 3:48:42 | 3:48:42 | 3:48:42 | 3:49:47 | 3:53:04 | 3:48:42 |
| M18-24 | 18 | 4:12:23 | 4:12:23 | 4:16:49 | 4:34:55 | 5:15:22 | 4:12:23 |
| M25-29 | 78 | 4:01:35 | 4:09:35 | 4:35:18 | 4:58:01 | 6:01:37 | 4:01:35 |
| M30-34 | 147 | 4:07:17 | 4:20:29 | 4:34:59 | 5:09:08 | 5:49:06 | 4:06:53 |
| M35-39 | 174 | 4:09:56 | 4:29:08 | 4:44:59 | 4:56:50 | 5:42:59 | 4:04:07 |
| M40-44 | 138 | 4:22:25 | 4:35:17 | 4:47:58 | 5:09:32 | 5:51:38 | 4:20:20 |
| M45-49 | 100 | 4:24:44 | 4:38:06 | 4:49:21 | 5:03:02 | 5:48:01 | 4:24:44 |
| M50-54 | 67 | 4:18:55 | 4:29:53 | 4:34:09 | 5:01:25 | 5:32:04 | 4:18:55 |
| M55-59 | 37 | 4:41:02 | 4:42:34 | 4:45:55 | 4:53:00 | 5:38:16 | 4:41:02 |
| M60-64 | 19 | 4:58:41 | 4:58:41 | 5:06:55 | 5:14:33 | 5:27:00 | 4:58:41 |
| M65-69 | 9 | 5:00:15 | 5:00:15 | 5:00:15 | 5:24:10 | 5:39:09 | 5:00:15 |
| M70-74 | 5 | 5:56:48 | 5:56:48 | 5:56:48 | 5:56:48 | 7:06:33 | 5:56:48 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 145 | 4:17:07 | 4:35:46 | 4:54:54 | 5:08:22 | 5:59:19 | 4:12:40 |
| FPRO | 8 | 4:12:40 | 4:12:40 | 4:12:40 | 4:17:07 | 4:24:48 | 4:12:40 |
| F25-29 | 20 | 4:35:21 | 4:35:21 | 4:41:04 | 4:53:11 | 6:33:12 | 4:35:21 |
| F30-34 | 26 | 4:48:24 | 4:57:57 | 5:00:09 | 5:12:51 | 5:43:52 | 4:48:24 |
| F35-39 | 24 | 4:55:14 | 4:58:35 | 5:00:11 | 5:42:04 | 6:30:20 | 4:55:14 |
| F40-44 | 28 | 4:35:46 | 4:51:48 | 4:54:54 | 5:14:56 | 6:01:13 | 4:35:46 |
| F45-49 | 18 | 4:56:34 | 4:56:34 | 5:00:50 | 5:24:28 | 5:43:32 | 4:56:34 |
| F50-54 | 6 | 5:22:35 | 5:22:35 | 5:22:35 | 5:25:53 | 5:29:56 | 5:22:35 |
| F60-64 | 6 | 5:49:09 | 5:49:09 | 5:49:09 | 5:50:43 | 5:53:27 | 5:49:09 |
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.