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 | 461 | 4:57:38 | 5:36:45 | 5:58:02 | 6:28:40 | 7:22:02 | 4:32:04 |
| M18-24 | 27 | 5:32:06 | 5:33:48 | 5:36:45 | 6:21:27 | 7:20:21 | 5:32:06 |
| M25-29 | 57 | 4:53:13 | 5:25:42 | 6:02:02 | 6:44:57 | 7:24:28 | 4:53:13 |
| M30-34 | 71 | 4:32:04 | 5:20:45 | 5:45:00 | 6:16:32 | 7:15:29 | 4:32:04 |
| M35-39 | 109 | 5:02:25 | 5:53:06 | 6:07:24 | 6:31:32 | 7:17:21 | 4:48:09 |
| M40-44 | 87 | 4:58:02 | 5:44:33 | 5:53:13 | 6:28:33 | 7:26:48 | 4:58:02 |
| M45-49 | 51 | 4:49:10 | 6:02:02 | 6:20:07 | 6:30:47 | 7:15:04 | 4:49:10 |
| M50-54 | 38 | 5:20:44 | 5:26:08 | 5:57:41 | 6:37:44 | 7:37:17 | 5:20:44 |
| M55-59 | 14 | 6:36:35 | 6:36:35 | 7:00:41 | 7:05:54 | 7:50:33 | 6:36:35 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 54 | 5:22:50 | 5:51:05 | 6:01:04 | 6:38:33 | 7:19:50 | 5:22:50 |
| F18-24 | 6 | 5:58:25 | 5:58:25 | 5:58:25 | 6:24:45 | 6:40:35 | 5:58:25 |
| F25-29 | 5 | 7:19:50 | 7:19:50 | 7:19:50 | 7:19:50 | 7:41:40 | 7:19:50 |
| F30-34 | 8 | 6:43:25 | 6:43:25 | 6:43:25 | 7:24:34 | 7:26:12 | 6:43:25 |
| F35-39 | 7 | 5:22:50 | 5:22:50 | 5:22:50 | 5:44:39 | 7:55:07 | 5:22:50 |
| F40-44 | 12 | 6:01:04 | 6:01:04 | 6:35:50 | 6:38:33 | 7:03:56 | 6:01:04 |
| F45-49 | 5 | 5:51:05 | 5:51:05 | 5:51:05 | 5:51:05 | 6:15:40 | 5:51:05 |
| F50-54 | 7 | 6:23:58 | 6:23:58 | 6:23:58 | 7:11:56 | 7:14:51 | 6:23:58 |
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.