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 | 367 | 4:40:38 | 5:01:10 | 5:13:24 | 5:33:20 | 6:24:43 | 4:33:41 |
| M18-24 | 13 | 4:33:41 | 4:33:41 | 4:40:38 | 4:40:47 | 5:29:00 | 4:33:41 |
| M25-29 | 36 | 4:44:52 | 4:57:01 | 5:07:16 | 5:21:35 | 6:17:45 | 4:44:52 |
| M30-34 | 65 | 4:36:02 | 4:56:03 | 5:01:10 | 5:19:49 | 5:56:47 | 4:36:02 |
| M35-39 | 68 | 5:00:54 | 5:05:58 | 5:16:10 | 5:28:46 | 6:19:27 | 5:00:54 |
| M40-44 | 63 | 4:34:29 | 5:16:49 | 5:24:39 | 5:45:40 | 6:45:29 | 4:34:29 |
| M45-49 | 66 | 4:46:18 | 5:04:00 | 5:20:53 | 5:56:10 | 6:30:33 | 4:46:18 |
| M50-54 | 35 | 4:59:35 | 5:18:06 | 5:30:20 | 5:33:20 | 6:16:31 | 4:59:35 |
| M55-59 | 10 | 5:38:31 | 5:38:31 | 5:38:31 | 5:45:13 | 7:02:23 | 5:38:31 |
| M60-64 | 5 | 5:42:17 | 5:42:17 | 5:42:17 | 5:42:17 | 6:03:30 | 5:42:17 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 57 | 5:20:29 | 5:35:27 | 5:43:05 | 6:00:33 | 6:48:37 | 5:20:29 |
| F30-34 | 15 | 5:23:06 | 5:23:06 | 5:35:27 | 5:43:05 | 6:31:19 | 5:23:06 |
| F35-39 | 10 | 5:42:38 | 5:42:38 | 5:42:38 | 6:00:33 | 6:44:10 | 5:42:38 |
| F40-44 | 18 | 5:40:52 | 5:40:52 | 5:58:04 | 6:21:27 | 6:58:42 | 5:40:52 |
| F45-49 | 5 | 6:36:22 | 6:36:22 | 6:36:22 | 6:36:22 | 8:02:35 | 6:36:22 |
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.