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 | 980 | 4:18:55 | 4:41:32 | 4:52:14 | 5:09:10 | 5:50:29 | 3:56:29 |
| M18-24 | 103 | 4:11:30 | 4:44:48 | 4:54:41 | 5:06:34 | 5:49:49 | 4:06:17 |
| M25-29 | 84 | 4:08:26 | 4:26:58 | 4:33:50 | 4:54:29 | 5:35:16 | 4:08:26 |
| M30-34 | 137 | 4:14:48 | 4:29:38 | 4:47:31 | 4:58:19 | 5:35:46 | 4:05:10 |
| M35-39 | 186 | 4:21:19 | 4:39:31 | 4:49:27 | 5:00:43 | 5:38:05 | 4:19:18 |
| M40-44 | 169 | 4:26:03 | 4:43:38 | 4:53:33 | 5:09:18 | 5:47:07 | 3:56:29 |
| M45-49 | 133 | 4:41:28 | 4:56:52 | 5:07:16 | 5:25:22 | 6:13:00 | 4:40:46 |
| M50-54 | 91 | 4:28:48 | 5:02:30 | 5:17:05 | 5:47:20 | 6:25:43 | 4:28:48 |
| M55-59 | 51 | 4:43:20 | 5:00:53 | 5:08:49 | 5:27:31 | 6:06:05 | 4:43:20 |
| M60-64 | 23 | 4:41:17 | 5:18:32 | 5:25:15 | 5:32:06 | 6:26:48 | 4:41:17 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 297 | 4:42:09 | 5:02:56 | 5:15:43 | 5:31:24 | 6:14:33 | 4:28:08 |
| F18-24 | 27 | 4:42:09 | 4:46:37 | 4:55:19 | 5:19:10 | 5:55:49 | 4:42:09 |
| F25-29 | 37 | 4:43:42 | 4:47:45 | 4:59:09 | 5:18:15 | 5:57:12 | 4:43:42 |
| F30-34 | 50 | 4:28:42 | 4:59:04 | 5:09:18 | 5:22:07 | 5:54:38 | 4:28:42 |
| F35-39 | 38 | 4:28:08 | 5:09:01 | 5:10:17 | 5:28:47 | 5:54:05 | 4:28:08 |
| F40-44 | 56 | 5:02:56 | 5:05:47 | 5:26:17 | 5:43:59 | 6:19:49 | 5:02:56 |
| F45-49 | 42 | 5:05:32 | 5:22:04 | 5:26:54 | 5:55:01 | 6:41:26 | 5:05:32 |
| F50-54 | 27 | 5:26:07 | 5:36:50 | 5:39:40 | 5:55:28 | 6:37:47 | 5:26:07 |
| F55-59 | 10 | 5:26:25 | 5:26:25 | 5:26:25 | 5:53:33 | 6:04:04 | 5:26:25 |
| F60-64 | 6 | 6:14:43 | 6:14:43 | 6:14:43 | 6:20:01 | 6:30:30 | 6:14:43 |
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.