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 | 1,874 | 4:32:17 | 4:57:20 | 5:12:35 | 5:31:03 | 6:11:59 | 4:07:47 |
| M18-24 | 65 | 4:23:23 | 4:33:35 | 4:58:31 | 5:10:45 | 6:16:49 | 4:23:23 |
| M25-29 | 257 | 4:15:43 | 4:42:23 | 5:07:02 | 5:24:41 | 6:05:05 | 4:07:47 |
| M30-34 | 323 | 4:32:04 | 4:52:16 | 5:18:48 | 5:34:35 | 6:10:30 | 4:19:21 |
| M35-39 | 326 | 4:30:21 | 4:59:20 | 5:11:43 | 5:26:48 | 6:04:39 | 4:14:15 |
| M40-44 | 300 | 4:35:54 | 4:54:17 | 5:03:39 | 5:29:25 | 6:02:18 | 4:24:25 |
| M45-49 | 272 | 4:34:50 | 5:00:39 | 5:15:21 | 5:34:16 | 6:12:03 | 4:29:03 |
| M50-54 | 183 | 4:47:44 | 5:10:32 | 5:20:04 | 5:41:30 | 6:23:24 | 4:46:03 |
| M55-59 | 104 | 4:53:56 | 5:10:50 | 5:21:30 | 5:37:02 | 6:17:09 | 4:47:57 |
| M60-64 | 33 | 5:06:25 | 5:09:26 | 5:46:48 | 6:07:17 | 7:06:36 | 5:06:25 |
| M65-69 | 7 | 5:44:26 | 5:44:26 | 5:44:26 | 6:21:57 | 6:53:37 | 5:44:26 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 675 | 4:54:39 | 5:18:57 | 5:34:57 | 5:55:50 | 6:35:24 | 4:37:43 |
| F18-24 | 41 | 5:09:39 | 5:42:18 | 5:50:52 | 6:01:13 | 6:40:54 | 5:09:39 |
| F25-29 | 120 | 5:05:06 | 5:16:11 | 5:31:08 | 5:50:07 | 6:25:30 | 4:57:22 |
| F30-34 | 126 | 4:50:30 | 5:26:03 | 5:35:22 | 5:59:35 | 6:35:34 | 4:37:43 |
| F35-39 | 115 | 4:53:28 | 5:01:11 | 5:17:59 | 5:38:52 | 6:28:11 | 4:51:40 |
| F40-44 | 119 | 5:01:27 | 5:29:15 | 5:41:13 | 6:00:44 | 6:39:17 | 4:53:53 |
| F45-49 | 73 | 5:04:35 | 5:35:25 | 5:52:00 | 6:04:07 | 6:40:41 | 5:04:35 |
| F50-54 | 50 | 5:12:54 | 5:25:20 | 5:34:52 | 5:49:38 | 6:33:05 | 5:12:54 |
| F55-59 | 25 | 5:17:47 | 5:18:48 | 5:32:45 | 6:11:56 | 6:41:49 | 5:17:47 |
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.