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 | 676 | 3:58:58 | 4:14:46 | 4:28:13 | 4:42:12 | 5:13:44 | 3:51:21 |
| MPRO | 22 | 3:51:21 | 3:55:16 | 3:56:13 | 3:58:19 | 4:02:28 | 3:51:21 |
| M18-24 | 31 | 4:11:16 | 4:13:30 | 4:22:16 | 4:30:01 | 5:00:03 | 4:11:16 |
| M25-29 | 74 | 4:00:07 | 4:12:03 | 4:23:25 | 4:29:52 | 5:02:09 | 4:00:07 |
| M30-34 | 109 | 4:12:39 | 4:21:25 | 4:31:01 | 4:38:56 | 5:14:18 | 4:01:14 |
| M35-39 | 120 | 4:07:36 | 4:19:45 | 4:31:26 | 4:44:35 | 5:15:47 | 3:57:55 |
| M40-44 | 128 | 4:15:16 | 4:20:27 | 4:34:44 | 4:45:05 | 5:16:32 | 4:06:10 |
| M45-49 | 90 | 4:08:01 | 4:31:11 | 4:37:57 | 4:46:28 | 5:13:22 | 4:08:01 |
| M50-54 | 49 | 4:34:12 | 4:36:53 | 4:42:37 | 4:54:06 | 5:29:43 | 4:34:12 |
| M55-59 | 35 | 4:42:31 | 4:43:39 | 4:54:53 | 4:57:34 | 5:26:46 | 4:42:31 |
| M60-64 | 11 | 5:05:18 | 5:05:18 | 5:09:29 | 5:11:28 | 5:30:33 | 5:05:18 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 213 | 4:18:12 | 4:33:33 | 4:46:03 | 5:05:39 | 5:43:25 | 4:10:46 |
| FPRO | 10 | 4:10:46 | 4:10:46 | 4:10:46 | 4:15:15 | 4:24:37 | 4:10:46 |
| F18-24 | 9 | 4:53:01 | 4:53:01 | 4:53:01 | 5:05:39 | 5:16:03 | 4:53:01 |
| F25-29 | 33 | 4:30:08 | 4:37:56 | 5:00:22 | 5:08:25 | 5:41:54 | 4:30:08 |
| F30-34 | 42 | 4:34:27 | 4:43:09 | 4:45:45 | 4:58:16 | 5:27:49 | 4:34:27 |
| F35-39 | 35 | 4:48:43 | 4:55:07 | 4:56:13 | 5:09:48 | 5:38:27 | 4:48:43 |
| F40-44 | 34 | 4:44:27 | 4:46:03 | 5:01:00 | 5:21:47 | 5:47:38 | 4:44:27 |
| F45-49 | 26 | 4:30:53 | 4:32:48 | 4:54:19 | 5:18:35 | 5:52:47 | 4:30:53 |
| F50-54 | 12 | 5:18:15 | 5:18:15 | 5:19:41 | 5:31:37 | 5:50:20 | 5:18:15 |
| F55-59 | 6 | 5:11:18 | 5:11:18 | 5:11:18 | 6:07:02 | 6:33:59 | 5:11:18 |
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.