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 | 683 | 4:35:39 | 5:11:54 | 5:32:09 | 5:52:22 | 6:36:55 | 4:18:23 |
| M18-24 | 11 | 4:18:23 | 4:18:23 | 5:35:06 | 5:37:05 | 6:25:45 | 4:18:23 |
| M25-29 | 32 | 4:43:31 | 4:49:34 | 5:18:46 | 5:32:59 | 6:11:22 | 4:43:31 |
| M30-34 | 72 | 4:29:12 | 4:55:54 | 5:10:55 | 5:33:31 | 6:23:35 | 4:29:12 |
| M35-39 | 125 | 4:27:15 | 4:59:29 | 5:28:53 | 5:45:10 | 6:27:02 | 4:26:28 |
| M40-44 | 164 | 4:35:19 | 5:14:44 | 5:35:00 | 5:58:11 | 6:31:42 | 4:29:07 |
| M45-49 | 133 | 5:06:07 | 5:15:28 | 5:36:48 | 5:56:23 | 6:51:18 | 4:51:17 |
| M50-54 | 84 | 5:18:28 | 5:25:44 | 5:41:30 | 6:04:10 | 6:48:23 | 5:18:28 |
| M55-59 | 42 | 4:58:42 | 5:40:52 | 5:59:11 | 6:17:34 | 6:52:45 | 4:58:42 |
| M60-64 | 15 | 5:31:42 | 5:31:42 | 5:34:10 | 6:16:54 | 6:57:13 | 5:31:42 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 80 | 5:18:43 | 5:30:20 | 5:47:40 | 6:05:41 | 6:42:14 | 5:18:43 |
| F25-29 | 7 | 5:51:53 | 5:51:53 | 5:51:53 | 6:09:49 | 6:31:39 | 5:51:53 |
| F30-34 | 12 | 5:27:12 | 5:27:12 | 5:28:58 | 5:33:38 | 6:02:54 | 5:27:12 |
| F35-39 | 17 | 5:18:43 | 5:18:43 | 5:30:20 | 5:53:41 | 6:32:22 | 5:18:43 |
| F40-44 | 18 | 5:50:50 | 5:50:50 | 5:52:58 | 6:20:03 | 6:46:19 | 5:50:50 |
| F45-49 | 17 | 5:55:00 | 5:55:00 | 6:00:38 | 6:09:07 | 6:54:25 | 5:55:00 |
| F50-54 | 6 | 6:17:49 | 6:17:49 | 6:17:49 | 6:20:20 | 6:23:22 | 6:17:49 |
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.