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 | 1,213 | 4:21:02 | 4:37:10 | 4:49:06 | 5:05:49 | 5:40:36 | 3:54:48 |
| M18-24 | 39 | 4:29:03 | 4:29:54 | 4:43:58 | 5:03:10 | 5:32:55 | 4:29:03 |
| M25-29 | 127 | 4:18:14 | 4:31:42 | 4:49:06 | 5:00:53 | 5:37:38 | 4:05:08 |
| M30-34 | 247 | 4:15:32 | 4:30:32 | 4:38:58 | 4:58:38 | 5:31:21 | 4:04:07 |
| M35-39 | 285 | 4:24:17 | 4:36:22 | 4:43:40 | 4:57:55 | 5:35:04 | 3:54:48 |
| M40-44 | 252 | 4:30:39 | 4:45:36 | 4:56:30 | 5:10:43 | 5:44:44 | 4:15:50 |
| M45-49 | 150 | 4:27:15 | 4:44:36 | 4:59:11 | 5:15:04 | 5:48:02 | 4:21:01 |
| M50-54 | 67 | 4:41:08 | 4:57:48 | 5:06:24 | 5:21:42 | 6:01:06 | 4:41:08 |
| M55-59 | 31 | 4:51:00 | 5:00:48 | 5:05:47 | 5:28:04 | 6:03:38 | 4:51:00 |
| M60-64 | 12 | 5:02:25 | 5:02:25 | 5:33:40 | 5:37:24 | 6:47:48 | 5:02:25 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 311 | 4:47:51 | 5:06:59 | 5:19:39 | 5:34:39 | 6:11:47 | 4:35:47 |
| F18-24 | 7 | 5:15:17 | 5:15:17 | 5:15:17 | 5:24:56 | 5:39:35 | 5:15:17 |
| F25-29 | 52 | 4:47:14 | 5:02:08 | 5:09:25 | 5:23:44 | 5:49:20 | 4:47:14 |
| F30-34 | 104 | 4:41:07 | 4:51:02 | 5:11:43 | 5:27:54 | 6:07:18 | 4:35:47 |
| F35-39 | 66 | 5:05:45 | 5:17:02 | 5:30:03 | 5:50:17 | 6:21:28 | 5:05:45 |
| F40-44 | 42 | 5:26:22 | 5:32:11 | 5:43:37 | 5:49:37 | 6:16:34 | 5:26:22 |
| F45-49 | 24 | 5:04:24 | 5:08:11 | 5:11:23 | 5:32:26 | 6:13:01 | 5:04:24 |
| F50-54 | 11 | 5:28:53 | 5:28:53 | 5:51:48 | 6:04:00 | 6:33:49 | 5:28:53 |
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.