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 | 777 | 4:42:56 | 5:14:54 | 5:31:48 | 6:00:22 | 6:45:50 | 4:25:02 |
| M18-24 | 42 | 4:32:44 | 5:27:35 | 5:31:11 | 5:43:54 | 6:36:16 | 4:32:44 |
| M25-29 | 107 | 4:30:09 | 4:57:32 | 5:12:18 | 5:53:08 | 6:38:16 | 4:27:45 |
| M30-34 | 112 | 4:42:56 | 5:08:15 | 5:30:54 | 5:54:10 | 6:44:10 | 4:34:30 |
| M35-39 | 122 | 4:30:59 | 5:02:43 | 5:28:24 | 5:56:19 | 6:35:56 | 4:25:02 |
| M40-44 | 113 | 5:01:17 | 5:20:11 | 5:28:07 | 6:05:29 | 6:45:06 | 5:00:51 |
| M45-49 | 67 | 4:44:53 | 5:18:20 | 5:28:04 | 5:56:35 | 6:49:22 | 4:44:53 |
| M50-54 | 79 | 4:56:19 | 5:29:58 | 5:38:30 | 5:49:29 | 6:41:40 | 4:56:19 |
| M55-59 | 71 | 5:13:44 | 5:27:05 | 5:53:03 | 6:11:08 | 6:57:43 | 5:13:44 |
| M60-64 | 42 | 5:20:34 | 5:34:59 | 5:53:05 | 6:24:23 | 7:12:41 | 5:20:34 |
| M65-69 | 19 | 6:26:10 | 6:26:10 | 6:38:14 | 6:42:04 | 7:15:04 | 6:26:10 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 271 | 5:08:59 | 5:42:34 | 5:55:45 | 6:07:09 | 6:59:32 | 5:02:11 |
| F18-24 | 14 | 5:43:39 | 5:43:39 | 5:59:59 | 6:16:29 | 6:47:41 | 5:43:39 |
| F25-29 | 23 | 5:19:05 | 5:21:38 | 5:57:04 | 5:59:23 | 6:50:21 | 5:19:05 |
| F30-34 | 33 | 5:02:11 | 5:15:36 | 5:49:47 | 5:59:23 | 6:51:59 | 5:02:11 |
| F35-39 | 43 | 5:16:47 | 5:31:51 | 5:42:34 | 5:55:45 | 6:32:23 | 5:16:47 |
| F40-44 | 48 | 5:41:02 | 5:58:51 | 6:04:35 | 6:16:41 | 7:03:59 | 5:41:02 |
| F45-49 | 50 | 5:08:59 | 5:39:14 | 5:44:05 | 6:09:30 | 7:01:47 | 5:08:59 |
| F50-54 | 28 | 5:08:08 | 5:57:09 | 5:58:30 | 6:16:44 | 7:13:27 | 5:08:08 |
| F55-59 | 21 | 5:50:38 | 6:02:12 | 6:03:57 | 6:14:07 | 7:18:25 | 5:50:38 |
| F60-64 | 9 | 6:01:39 | 6:01:39 | 6:01:39 | 6:50:50 | 7:18:22 | 6:01:39 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.