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 | 1,742 | 4:23:36 | 4:42:43 | 4:53:16 | 5:06:57 | 5:40:23 | 3:53:06 |
| MPRO | 15 | 3:53:06 | 3:53:06 | 4:05:56 | 4:06:24 | 4:21:06 | 3:53:06 |
| M18-24 | 44 | 4:22:03 | 4:27:24 | 4:36:36 | 4:45:31 | 5:17:42 | 4:22:03 |
| M25-29 | 143 | 4:18:42 | 4:35:39 | 4:43:59 | 4:54:32 | 5:22:10 | 4:15:38 |
| M30-34 | 268 | 4:23:28 | 4:36:58 | 4:44:19 | 5:01:47 | 5:32:32 | 4:20:23 |
| M35-39 | 290 | 4:23:54 | 4:36:41 | 4:48:51 | 5:01:46 | 5:32:55 | 4:16:27 |
| M40-44 | 286 | 4:31:18 | 4:52:29 | 4:56:54 | 5:07:40 | 5:37:47 | 4:25:52 |
| M45-49 | 265 | 4:37:57 | 4:53:10 | 5:00:26 | 5:12:47 | 5:44:48 | 4:23:35 |
| M50-54 | 240 | 4:41:02 | 4:55:10 | 5:03:30 | 5:19:52 | 5:53:14 | 4:33:49 |
| M55-59 | 135 | 4:47:46 | 5:03:08 | 5:12:13 | 5:27:12 | 6:06:28 | 4:42:32 |
| M60-64 | 40 | 5:05:22 | 5:23:30 | 5:25:41 | 5:37:09 | 6:19:06 | 5:05:22 |
| M65-69 | 14 | 5:31:06 | 5:31:06 | 5:48:34 | 5:57:54 | 6:37:54 | 5:31:06 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 301 | 4:38:03 | 5:06:33 | 5:15:29 | 5:32:29 | 6:06:23 | 4:31:26 |
| FPRO | 6 | 4:31:26 | 4:31:26 | 4:31:26 | 4:35:23 | 4:38:03 | 4:31:26 |
| F18-24 | 10 | 5:02:42 | 5:02:42 | 5:02:42 | 5:08:21 | 6:18:21 | 5:02:42 |
| F25-29 | 34 | 4:37:16 | 4:52:49 | 5:06:33 | 5:12:27 | 5:44:01 | 4:37:16 |
| F30-34 | 46 | 4:44:26 | 5:09:58 | 5:20:04 | 5:32:41 | 6:03:29 | 4:44:26 |
| F35-39 | 47 | 5:04:17 | 5:08:38 | 5:18:52 | 5:36:55 | 6:06:23 | 5:04:17 |
| F40-44 | 45 | 5:05:47 | 5:16:03 | 5:23:01 | 5:32:19 | 5:55:19 | 5:05:47 |
| F45-49 | 48 | 5:00:18 | 5:05:12 | 5:14:47 | 5:32:57 | 6:11:18 | 5:00:18 |
| F50-54 | 39 | 5:13:32 | 5:19:10 | 5:29:28 | 5:52:15 | 6:24:00 | 5:13:32 |
| F55-59 | 21 | 5:29:33 | 5:32:02 | 5:34:23 | 5:54:40 | 6:34:03 | 5:29:33 |
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.