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 | 716 | 4:31:46 | 4:48:48 | 5:05:01 | 5:25:11 | 6:08:55 | 4:15:24 |
| M18-24 | 17 | 4:26:31 | 4:26:31 | 4:45:45 | 5:15:28 | 6:15:23 | 4:26:31 |
| M25-29 | 54 | 4:31:46 | 4:36:50 | 4:54:15 | 5:26:02 | 6:19:05 | 4:31:46 |
| M30-34 | 99 | 4:15:24 | 4:42:06 | 4:50:00 | 5:13:03 | 5:53:30 | 4:15:24 |
| M35-39 | 112 | 4:36:18 | 4:47:48 | 4:55:55 | 5:07:30 | 5:54:52 | 4:25:23 |
| M40-44 | 141 | 4:35:38 | 5:09:36 | 5:18:15 | 5:28:30 | 5:58:30 | 4:29:45 |
| M45-49 | 123 | 4:32:06 | 4:44:33 | 5:03:00 | 5:23:02 | 6:07:01 | 4:29:47 |
| M50-54 | 81 | 4:36:06 | 5:07:44 | 5:23:26 | 5:38:11 | 6:29:49 | 4:36:06 |
| M55-59 | 51 | 5:13:44 | 5:23:09 | 5:33:11 | 5:54:10 | 6:18:05 | 5:13:44 |
| M60-64 | 24 | 5:16:40 | 5:27:09 | 5:32:35 | 6:03:03 | 6:38:07 | 5:16:40 |
| M65-69 | 9 | 6:04:19 | 6:04:19 | 6:04:19 | 6:25:43 | 7:12:32 | 6:04:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 376 | 4:53:54 | 5:22:55 | 5:37:00 | 5:54:59 | 6:50:20 | 4:37:44 |
| F18-24 | 8 | 5:03:03 | 5:03:03 | 5:03:03 | 5:23:34 | 7:14:32 | 5:03:03 |
| F25-29 | 41 | 4:46:28 | 5:08:38 | 5:39:54 | 5:49:52 | 6:43:59 | 4:46:28 |
| F30-34 | 45 | 4:48:45 | 5:24:24 | 5:32:47 | 5:51:42 | 6:53:24 | 4:48:45 |
| F35-39 | 59 | 5:01:52 | 5:13:29 | 5:24:51 | 5:49:38 | 6:34:40 | 5:01:52 |
| F40-44 | 65 | 5:00:21 | 5:24:18 | 5:34:18 | 5:45:47 | 6:40:27 | 5:00:21 |
| F45-49 | 63 | 5:05:01 | 5:23:55 | 5:37:48 | 5:58:42 | 6:47:13 | 5:05:01 |
| F50-54 | 57 | 4:37:44 | 5:32:34 | 5:47:04 | 6:10:35 | 6:59:08 | 4:37:44 |
| F55-59 | 23 | 6:17:21 | 6:29:01 | 6:32:43 | 6:49:53 | 7:19:05 | 6:17:21 |
| F60-64 | 13 | 6:32:57 | 6:32:57 | 6:44:43 | 6:45:07 | 7:02:06 | 6:32:57 |
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.