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 | 340 | 4:14:02 | 4:25:48 | 4:37:07 | 4:53:32 | 5:30:38 | 4:04:07 |
| M18-24 | 10 | 4:16:45 | 4:16:45 | 4:16:45 | 4:41:13 | 4:53:20 | 4:16:45 |
| M25-29 | 21 | 4:07:30 | 4:14:02 | 4:19:04 | 4:36:29 | 5:22:53 | 4:07:30 |
| M30-34 | 38 | 4:06:27 | 4:14:16 | 4:22:41 | 4:37:25 | 5:14:02 | 4:06:27 |
| M35-39 | 75 | 4:14:30 | 4:29:14 | 4:33:15 | 4:48:31 | 5:18:38 | 4:14:30 |
| M40-44 | 69 | 4:04:07 | 4:23:39 | 4:46:05 | 4:56:46 | 5:32:27 | 4:04:07 |
| M45-49 | 59 | 4:26:48 | 4:35:32 | 4:48:25 | 5:03:07 | 5:42:58 | 4:26:48 |
| M50-54 | 29 | 4:22:36 | 4:37:43 | 4:41:15 | 4:51:40 | 5:26:27 | 4:22:36 |
| M55-59 | 27 | 4:35:14 | 4:44:18 | 5:02:45 | 5:09:33 | 5:55:20 | 4:35:14 |
| M60-64 | 7 | 5:10:33 | 5:10:33 | 5:10:33 | 5:13:24 | 6:15:14 | 5:10:33 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 73 | 4:45:25 | 5:03:56 | 5:14:38 | 5:37:06 | 6:13:22 | 4:45:25 |
| F25-29 | 5 | 5:01:44 | 5:01:44 | 5:01:44 | 5:01:44 | 5:50:07 | 5:01:44 |
| F30-34 | 7 | 4:45:25 | 4:45:25 | 4:45:25 | 5:14:38 | 6:20:48 | 4:45:25 |
| F35-39 | 17 | 5:03:56 | 5:03:56 | 5:09:43 | 5:37:11 | 6:13:22 | 5:03:56 |
| F40-44 | 16 | 5:13:25 | 5:13:25 | 5:22:24 | 5:37:06 | 6:00:49 | 5:13:25 |
| F45-49 | 14 | 5:07:44 | 5:07:44 | 6:04:25 | 6:12:50 | 6:26:45 | 5:07:44 |
| F50-54 | 8 | 5:00:02 | 5:00:02 | 5:00:02 | 5:19:45 | 5:43:48 | 5:00:02 |
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.