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 | 401 | 4:26:08 | 4:41:54 | 4:59:36 | 5:23:24 | 6:11:11 | 4:19:27 |
| M18-24 | 15 | 4:20:25 | 4:20:25 | 4:26:39 | 4:32:35 | 4:44:06 | 4:20:25 |
| M25-29 | 28 | 4:19:45 | 4:26:10 | 4:31:30 | 4:41:07 | 5:23:27 | 4:19:45 |
| M30-34 | 63 | 4:26:08 | 4:36:08 | 4:59:36 | 5:14:31 | 6:00:42 | 4:26:08 |
| M35-39 | 89 | 4:41:40 | 4:46:37 | 4:59:36 | 5:22:53 | 6:09:12 | 4:41:40 |
| M40-44 | 84 | 4:24:49 | 5:02:27 | 5:18:23 | 5:38:39 | 6:14:16 | 4:24:49 |
| M45-49 | 57 | 5:07:32 | 5:14:58 | 5:31:14 | 5:50:04 | 6:26:10 | 5:07:32 |
| M50-54 | 40 | 4:19:27 | 4:52:07 | 5:13:02 | 5:39:37 | 6:27:46 | 4:19:27 |
| M55-59 | 13 | 5:05:24 | 5:05:24 | 5:16:17 | 5:26:55 | 6:45:39 | 5:05:24 |
| M60-64 | 5 | 5:19:16 | 5:19:16 | 5:19:16 | 5:19:16 | 6:06:49 | 5:19:16 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 83 | 4:48:18 | 5:22:07 | 5:36:46 | 5:57:57 | 6:48:10 | 4:48:18 |
| F18-24 | 6 | 5:12:14 | 5:12:14 | 5:12:14 | 5:24:06 | 6:15:23 | 5:12:14 |
| F30-34 | 16 | 4:48:18 | 4:48:18 | 5:47:29 | 6:04:13 | 7:04:28 | 4:48:18 |
| F35-39 | 19 | 5:21:05 | 5:21:05 | 5:25:24 | 5:37:37 | 6:39:44 | 5:21:05 |
| F40-44 | 16 | 5:16:14 | 5:16:14 | 5:46:50 | 5:57:57 | 6:49:12 | 5:16:14 |
| F45-49 | 9 | 5:36:02 | 5:36:02 | 5:36:02 | 6:07:27 | 7:12:00 | 5:36:02 |
| F50-54 | 14 | 5:22:07 | 5:22:07 | 5:55:39 | 6:17:08 | 7:07:23 | 5:22:07 |
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.