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 | 323 | 4:34:09 | 5:03:03 | 5:17:11 | 5:36:24 | 6:38:34 | 4:13:02 |
| M18-24 | 9 | 5:31:32 | 5:31:32 | 5:31:32 | 5:44:15 | 6:35:43 | 5:31:32 |
| M25-29 | 25 | 4:13:02 | 5:05:04 | 5:08:52 | 5:18:49 | 6:07:32 | 4:13:02 |
| M30-34 | 38 | 4:52:22 | 4:54:18 | 5:09:15 | 5:44:05 | 6:41:21 | 4:52:22 |
| M35-39 | 50 | 4:36:41 | 4:48:59 | 4:51:02 | 5:03:43 | 6:28:04 | 4:36:41 |
| M40-44 | 60 | 4:24:27 | 5:08:08 | 5:19:31 | 5:30:45 | 6:17:42 | 4:24:27 |
| M45-49 | 58 | 5:11:15 | 5:22:12 | 5:29:47 | 5:54:43 | 6:33:28 | 5:11:15 |
| M50-54 | 41 | 4:27:23 | 5:16:09 | 5:27:59 | 5:50:31 | 6:58:30 | 4:27:23 |
| M55-59 | 25 | 5:01:35 | 5:29:35 | 5:36:00 | 6:07:12 | 7:06:24 | 5:01:35 |
| M60-64 | 12 | 5:42:04 | 5:42:04 | 5:43:14 | 5:49:51 | 6:36:12 | 5:42:04 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 67 | 4:55:26 | 5:24:24 | 5:40:54 | 6:03:51 | 6:40:03 | 4:55:26 |
| F30-34 | 8 | 6:02:08 | 6:02:08 | 6:02:08 | 6:03:51 | 6:24:26 | 6:02:08 |
| F35-39 | 14 | 4:55:26 | 4:55:26 | 5:24:24 | 5:33:57 | 6:22:08 | 4:55:26 |
| F40-44 | 13 | 5:26:34 | 5:26:34 | 5:59:24 | 6:14:08 | 6:41:29 | 5:26:34 |
| F45-49 | 13 | 5:22:48 | 5:22:48 | 5:49:46 | 6:05:49 | 6:26:04 | 5:22:48 |
| F50-54 | 8 | 5:17:19 | 5:17:19 | 5:17:19 | 5:49:38 | 6:18:12 | 5:17:19 |
| F55-59 | 6 | 6:16:38 | 6:16:38 | 6:16:38 | 6:37:24 | 6:43:09 | 6:16:38 |
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.