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 | 1,137 | 4:32:48 | 4:49:44 | 4:59:43 | 5:11:05 | 5:40:26 | 4:14:18 |
| M18-24 | 24 | 4:32:48 | 4:35:12 | 4:46:31 | 5:00:55 | 5:33:27 | 4:32:48 |
| M25-29 | 99 | 4:28:35 | 4:38:11 | 4:50:56 | 5:03:41 | 5:36:15 | 4:28:35 |
| M30-34 | 162 | 4:27:12 | 4:53:34 | 4:59:15 | 5:08:54 | 5:35:21 | 4:25:14 |
| M35-39 | 227 | 4:30:13 | 4:44:40 | 4:56:27 | 5:12:28 | 5:35:44 | 4:27:02 |
| M40-44 | 212 | 4:44:24 | 4:52:34 | 5:02:34 | 5:10:23 | 5:37:32 | 4:39:18 |
| M45-49 | 219 | 4:38:43 | 4:46:19 | 5:00:04 | 5:09:19 | 5:42:41 | 4:38:00 |
| M50-54 | 130 | 4:47:26 | 4:57:47 | 5:06:26 | 5:18:29 | 5:58:01 | 4:45:32 |
| M55-59 | 40 | 4:49:41 | 5:03:40 | 5:16:05 | 5:24:52 | 5:59:09 | 4:49:41 |
| M60-64 | 12 | 5:22:42 | 5:22:42 | 5:31:06 | 5:37:21 | 6:03:40 | 5:22:42 |
| M65-69 | 6 | 6:13:15 | 6:13:15 | 6:13:15 | 6:14:11 | 6:23:59 | 6:13:15 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 175 | 4:57:36 | 5:15:35 | 5:28:10 | 5:38:29 | 6:16:23 | 4:50:42 |
| F18-24 | 6 | 5:04:43 | 5:04:43 | 5:04:43 | 5:28:10 | 5:31:02 | 5:04:43 |
| F25-29 | 16 | 4:57:46 | 4:57:46 | 5:11:29 | 5:18:43 | 5:57:42 | 4:57:46 |
| F30-34 | 43 | 4:57:36 | 5:11:24 | 5:20:21 | 5:39:23 | 6:12:51 | 4:57:36 |
| F35-39 | 32 | 5:18:05 | 5:26:22 | 5:29:41 | 5:37:14 | 6:12:39 | 5:18:05 |
| F40-44 | 35 | 5:07:24 | 5:23:54 | 5:36:45 | 5:44:07 | 6:23:59 | 5:07:24 |
| F45-49 | 19 | 5:29:59 | 5:29:59 | 5:32:42 | 6:00:14 | 6:19:01 | 5:29:59 |
| F50-54 | 16 | 5:15:35 | 5:15:35 | 5:31:19 | 6:06:53 | 6:18:04 | 5:15:35 |
| F55-59 | 6 | 6:12:17 | 6:12:17 | 6:12:17 | 6:16:49 | 6:36:39 | 6:12:17 |
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.