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 | 791 | 4:05:23 | 4:22:28 | 4:33:47 | 4:45:31 | 5:17:29 | 3:53:32 |
| M18-24 | 9 | 3:58:43 | 3:58:43 | 3:58:43 | 4:07:19 | 4:22:28 | 3:58:43 |
| M25-29 | 46 | 3:55:33 | 4:24:56 | 4:32:09 | 4:39:25 | 5:04:38 | 3:55:33 |
| M30-34 | 143 | 3:59:41 | 4:14:58 | 4:31:06 | 4:40:16 | 5:17:39 | 3:53:32 |
| M35-39 | 196 | 4:09:07 | 4:16:44 | 4:28:58 | 4:46:01 | 5:12:54 | 4:00:50 |
| M40-44 | 168 | 4:17:44 | 4:29:46 | 4:41:36 | 4:51:40 | 5:17:34 | 4:12:33 |
| M45-49 | 107 | 4:15:50 | 4:23:09 | 4:29:06 | 4:46:02 | 5:11:01 | 4:10:55 |
| M50-54 | 70 | 4:08:30 | 4:29:01 | 4:42:15 | 4:49:37 | 5:20:31 | 4:08:30 |
| M55-59 | 32 | 4:28:42 | 4:39:32 | 4:41:04 | 4:44:47 | 5:40:04 | 4:28:42 |
| M60-64 | 14 | 4:45:07 | 4:45:07 | 5:05:34 | 5:24:32 | 5:51:29 | 4:45:07 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 141 | 4:21:53 | 4:34:44 | 4:48:30 | 5:09:35 | 5:49:30 | 4:19:13 |
| F18-24 | 10 | 4:32:24 | 4:32:24 | 4:32:24 | 4:39:57 | 4:49:50 | 4:32:24 |
| F25-29 | 17 | 4:19:13 | 4:19:13 | 4:27:41 | 4:32:26 | 5:33:52 | 4:19:13 |
| F30-34 | 23 | 4:21:53 | 4:27:31 | 4:51:20 | 5:13:26 | 5:49:30 | 4:21:53 |
| F35-39 | 28 | 4:45:54 | 4:46:31 | 4:51:34 | 5:02:49 | 5:43:26 | 4:45:54 |
| F40-44 | 26 | 4:48:41 | 4:55:24 | 5:00:24 | 5:32:09 | 6:01:04 | 4:48:41 |
| F45-49 | 15 | 4:34:44 | 4:34:44 | 4:59:01 | 5:05:24 | 5:59:52 | 4:34:44 |
| F50-54 | 15 | 5:13:10 | 5:13:10 | 5:16:07 | 5:16:12 | 5:58:53 | 5:13:10 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.