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 | 316 | 4:27:13 | 4:42:53 | 4:52:52 | 5:13:30 | 6:04:34 | 4:05:07 |
| M18-24 | 13 | 4:41:11 | 4:41:11 | 4:44:15 | 4:45:50 | 5:50:04 | 4:41:11 |
| M25-29 | 34 | 4:27:13 | 4:29:48 | 4:48:46 | 4:56:09 | 5:33:04 | 4:27:13 |
| M30-34 | 55 | 4:10:14 | 4:38:34 | 4:43:01 | 4:52:28 | 5:41:38 | 4:10:14 |
| M35-39 | 69 | 4:20:23 | 4:50:32 | 4:55:14 | 5:17:54 | 6:05:29 | 4:20:23 |
| M40-44 | 44 | 4:05:07 | 4:53:51 | 5:08:57 | 5:45:05 | 6:46:49 | 4:05:07 |
| M45-49 | 34 | 4:34:42 | 4:43:18 | 4:57:36 | 5:10:29 | 6:04:52 | 4:34:42 |
| M50-54 | 27 | 4:30:57 | 4:53:54 | 4:59:46 | 5:16:10 | 6:02:09 | 4:30:57 |
| M55-59 | 26 | 4:38:44 | 4:59:47 | 5:00:44 | 5:27:19 | 6:14:38 | 4:38:44 |
| M60-64 | 11 | 5:15:30 | 5:15:30 | 5:20:19 | 5:22:21 | 6:12:22 | 5:15:30 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 87 | 4:41:40 | 5:10:14 | 5:21:53 | 5:35:27 | 6:10:04 | 4:41:40 |
| F25-29 | 7 | 5:15:42 | 5:15:42 | 5:15:42 | 5:23:16 | 6:24:59 | 5:15:42 |
| F30-34 | 13 | 4:41:40 | 4:41:40 | 4:43:23 | 5:35:11 | 6:46:21 | 4:41:40 |
| F35-39 | 17 | 4:52:33 | 4:52:33 | 4:57:21 | 5:32:41 | 6:10:35 | 4:52:33 |
| F40-44 | 13 | 5:44:42 | 5:44:42 | 6:00:50 | 6:01:08 | 6:09:13 | 5:44:42 |
| F45-49 | 18 | 5:10:14 | 5:10:14 | 5:21:53 | 5:34:23 | 5:58:49 | 5:10:14 |
| F50-54 | 10 | 5:13:01 | 5:13:01 | 5:13:01 | 5:35:27 | 5:49:11 | 5:13:01 |
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.