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 | 894 | 4:14:01 | 4:29:07 | 4:38:25 | 4:59:42 | 5:42:22 | 3:56:11 |
| M18-24 | 62 | 4:03:06 | 4:20:26 | 4:27:19 | 4:54:39 | 5:40:05 | 4:03:06 |
| M25-29 | 103 | 4:06:09 | 4:26:01 | 4:48:47 | 5:12:03 | 6:05:22 | 3:56:11 |
| M30-34 | 144 | 4:13:54 | 4:27:36 | 4:34:38 | 4:49:57 | 5:32:17 | 4:08:13 |
| M35-39 | 160 | 4:16:03 | 4:27:50 | 4:38:11 | 5:07:21 | 5:43:16 | 4:12:35 |
| M40-44 | 167 | 4:26:08 | 4:35:02 | 4:44:58 | 4:59:31 | 5:43:26 | 4:14:48 |
| M45-49 | 107 | 4:20:51 | 4:28:26 | 4:35:13 | 4:42:45 | 5:28:52 | 4:20:38 |
| M50-54 | 87 | 4:22:29 | 4:38:16 | 4:46:06 | 5:06:13 | 5:51:26 | 4:22:29 |
| M55-59 | 40 | 4:30:41 | 4:36:07 | 4:50:20 | 5:05:53 | 5:43:15 | 4:30:41 |
| M60-64 | 20 | 5:04:17 | 5:04:17 | 5:11:57 | 5:26:44 | 6:06:40 | 5:04:17 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 151 | 4:40:45 | 5:05:30 | 5:15:16 | 5:32:49 | 6:10:53 | 4:40:26 |
| F18-24 | 6 | 4:40:26 | 4:40:26 | 4:40:26 | 5:12:16 | 5:31:05 | 4:40:26 |
| F25-29 | 23 | 4:40:45 | 5:03:14 | 5:36:48 | 6:01:44 | 6:38:58 | 4:40:45 |
| F30-34 | 30 | 5:09:41 | 5:13:52 | 5:23:18 | 5:31:26 | 5:59:54 | 5:09:41 |
| F35-39 | 24 | 4:57:33 | 5:04:59 | 5:05:30 | 5:15:57 | 5:50:33 | 4:57:33 |
| F40-44 | 27 | 5:11:14 | 5:14:42 | 5:14:52 | 5:30:56 | 6:12:16 | 5:11:14 |
| F45-49 | 21 | 4:53:20 | 5:22:39 | 5:23:31 | 5:42:42 | 6:01:18 | 4:53:20 |
| F50-54 | 11 | 4:59:21 | 4:59:21 | 5:27:15 | 5:32:49 | 6:22:03 | 4:59:21 |
| F55-59 | 6 | 5:44:09 | 5:44:09 | 5:44:09 | 6:01:54 | 6:31:40 | 5:44:09 |
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.