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 | 1,253 | 4:10:39 | 4:33:01 | 4:51:47 | 5:15:30 | 6:00:18 | 3:57:43 |
| M18-24 | 245 | 4:01:23 | 4:26:04 | 4:45:33 | 5:19:35 | 6:03:08 | 3:57:43 |
| M25-29 | 210 | 4:12:50 | 4:33:51 | 4:53:11 | 5:13:51 | 6:06:50 | 4:08:39 |
| M30-34 | 191 | 4:10:39 | 4:25:21 | 4:40:44 | 5:14:38 | 5:55:10 | 3:58:55 |
| M35-39 | 137 | 4:33:27 | 4:45:25 | 4:55:40 | 5:19:00 | 6:05:41 | 4:09:08 |
| M40-44 | 157 | 4:22:54 | 4:31:17 | 4:44:16 | 4:59:39 | 5:45:51 | 4:14:32 |
| M45-49 | 120 | 4:18:18 | 4:28:55 | 4:49:16 | 5:07:57 | 5:52:48 | 4:05:05 |
| M50-54 | 74 | 4:24:55 | 4:38:26 | 4:57:54 | 5:16:53 | 6:00:44 | 4:24:55 |
| M55-59 | 59 | 4:45:47 | 4:56:08 | 5:08:48 | 5:26:47 | 6:14:32 | 4:45:47 |
| M60-64 | 36 | 4:42:41 | 5:00:24 | 5:13:31 | 5:40:25 | 6:21:33 | 4:42:41 |
| M65-69 | 15 | 5:19:51 | 5:19:51 | 5:28:23 | 5:29:36 | 6:37:04 | 5:19:51 |
| M70-74 | 6 | 6:00:43 | 6:00:43 | 6:00:43 | 6:02:01 | 6:16:55 | 6:00:43 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 330 | 4:59:52 | 5:12:20 | 5:27:13 | 5:42:32 | 6:27:57 | 4:39:14 |
| F18-24 | 55 | 5:09:54 | 5:27:13 | 5:31:13 | 5:42:52 | 6:23:52 | 5:09:54 |
| F25-29 | 55 | 4:55:14 | 5:23:32 | 5:37:35 | 5:51:10 | 6:43:02 | 4:55:14 |
| F30-34 | 53 | 5:01:11 | 5:04:47 | 5:11:21 | 5:46:03 | 6:34:00 | 5:01:11 |
| F35-39 | 43 | 4:39:14 | 5:14:16 | 5:20:22 | 5:32:00 | 6:18:24 | 4:39:14 |
| F40-44 | 36 | 4:58:19 | 4:59:52 | 5:05:32 | 5:25:06 | 6:35:07 | 4:58:19 |
| F45-49 | 25 | 5:03:20 | 5:14:27 | 5:19:34 | 5:31:17 | 6:17:12 | 5:03:20 |
| F50-54 | 25 | 5:12:20 | 5:30:01 | 5:30:35 | 5:42:24 | 6:18:08 | 5:12:20 |
| F55-59 | 20 | 5:27:46 | 5:27:46 | 5:31:26 | 5:33:39 | 7:11:08 | 5:27:46 |
| F60-64 | 11 | 5:31:53 | 5:31:53 | 6:06:15 | 6:18:40 | 6:35:18 | 5:31:53 |
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.