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 | 1,314 | 4:32:36 | 4:54:27 | 5:11:06 | 5:32:12 | 6:14:25 | 4:09:45 |
| M18-24 | 56 | 4:19:20 | 4:30:09 | 4:43:47 | 5:20:07 | 6:05:27 | 4:19:20 |
| M25-29 | 166 | 4:26:46 | 4:44:39 | 4:58:22 | 5:25:15 | 6:03:11 | 4:09:45 |
| M30-34 | 227 | 4:17:59 | 4:50:02 | 5:00:55 | 5:24:24 | 6:05:55 | 4:10:36 |
| M35-39 | 200 | 4:32:36 | 4:57:58 | 5:11:43 | 5:36:01 | 6:09:27 | 4:30:25 |
| M40-44 | 203 | 4:38:22 | 4:57:38 | 5:14:41 | 5:35:09 | 6:16:50 | 4:33:40 |
| M45-49 | 200 | 4:44:23 | 5:03:07 | 5:18:43 | 5:38:04 | 6:17:58 | 4:40:44 |
| M50-54 | 147 | 4:46:30 | 5:04:25 | 5:15:18 | 5:37:35 | 6:30:03 | 4:40:06 |
| M55-59 | 79 | 4:45:34 | 4:56:26 | 5:21:20 | 5:46:23 | 6:32:34 | 4:45:34 |
| M60-64 | 30 | 5:03:36 | 5:28:25 | 5:44:03 | 5:52:07 | 6:49:39 | 5:03:36 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 333 | 4:57:13 | 5:29:34 | 5:42:57 | 5:56:25 | 6:45:29 | 4:40:55 |
| F18-24 | 16 | 5:25:22 | 5:25:22 | 5:27:13 | 5:37:48 | 5:56:25 | 5:25:22 |
| F25-29 | 56 | 4:40:55 | 5:10:58 | 5:22:45 | 5:54:24 | 6:39:28 | 4:40:55 |
| F30-34 | 56 | 4:41:07 | 5:18:43 | 5:38:17 | 5:51:44 | 6:39:46 | 4:41:07 |
| F35-39 | 33 | 4:57:42 | 5:45:55 | 5:56:27 | 6:08:34 | 6:37:54 | 4:57:42 |
| F40-44 | 60 | 5:07:10 | 5:14:45 | 5:34:29 | 5:46:32 | 6:48:14 | 5:07:10 |
| F45-49 | 53 | 5:38:23 | 5:43:32 | 5:55:03 | 6:16:50 | 6:57:37 | 5:38:23 |
| F50-54 | 40 | 5:37:57 | 5:40:22 | 5:45:58 | 5:55:43 | 6:52:22 | 5:37:57 |
| F55-59 | 10 | 5:23:44 | 5:23:44 | 5:23:44 | 6:13:05 | 6:44:45 | 5:23:44 |
| F60-64 | 8 | 6:05:14 | 6:05:14 | 6:05:14 | 6:19:24 | 6:53:30 | 6:05:14 |
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.