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 | 1,297 | 4:14:35 | 4:34:00 | 4:48:49 | 5:08:28 | 5:53:32 | 3:52:53 |
| M18-24 | 64 | 3:56:28 | 4:16:35 | 4:49:23 | 5:02:10 | 5:45:10 | 3:56:28 |
| M25-29 | 126 | 4:13:30 | 4:27:06 | 4:33:48 | 5:04:36 | 5:43:37 | 3:58:01 |
| M30-34 | 186 | 3:56:52 | 4:25:53 | 4:42:24 | 5:07:22 | 5:50:55 | 3:52:53 |
| M35-39 | 186 | 4:10:33 | 4:26:37 | 4:50:55 | 5:00:39 | 5:46:13 | 3:59:56 |
| M40-44 | 187 | 4:18:56 | 4:39:54 | 4:45:42 | 5:01:45 | 5:56:58 | 4:07:44 |
| M45-49 | 164 | 4:17:56 | 4:35:45 | 4:47:46 | 5:12:27 | 5:52:43 | 4:17:54 |
| M50-54 | 151 | 4:24:24 | 4:38:50 | 4:46:29 | 5:06:00 | 5:56:54 | 4:24:06 |
| M55-59 | 107 | 4:35:52 | 4:53:50 | 5:00:13 | 5:17:26 | 5:53:28 | 4:26:11 |
| M60-64 | 68 | 4:56:59 | 5:13:53 | 5:17:49 | 5:37:21 | 6:20:16 | 4:56:59 |
| M65-69 | 36 | 5:05:11 | 5:06:24 | 5:23:56 | 5:43:13 | 6:32:57 | 5:05:11 |
| M70-74 | 15 | 5:09:39 | 5:09:39 | 5:54:49 | 5:56:48 | 6:48:39 | 5:09:39 |
| M75-79 | 5 | 6:11:00 | 6:11:00 | 6:11:00 | 6:11:00 | 7:20:07 | 6:11:00 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 691 | 4:39:38 | 5:03:46 | 5:18:01 | 5:39:43 | 6:25:18 | 4:32:40 |
| F18-24 | 21 | 4:42:40 | 4:48:46 | 5:04:43 | 5:14:29 | 6:19:12 | 4:42:40 |
| F25-29 | 83 | 4:32:40 | 5:01:06 | 5:14:18 | 5:31:58 | 6:13:15 | 4:32:40 |
| F30-34 | 102 | 4:33:49 | 5:07:07 | 5:34:14 | 5:50:04 | 6:23:51 | 4:33:41 |
| F35-39 | 76 | 4:32:47 | 4:44:57 | 4:58:53 | 5:29:14 | 6:22:48 | 4:32:47 |
| F40-44 | 103 | 4:54:46 | 5:03:46 | 5:12:18 | 5:30:06 | 6:18:25 | 4:54:27 |
| F45-49 | 120 | 4:51:12 | 5:15:37 | 5:20:41 | 5:39:43 | 6:18:56 | 4:41:38 |
| F50-54 | 68 | 4:49:28 | 5:15:02 | 5:32:30 | 5:50:07 | 6:37:10 | 4:49:28 |
| F55-59 | 61 | 4:39:27 | 5:02:50 | 5:17:56 | 5:50:41 | 6:29:22 | 4:39:27 |
| F60-64 | 34 | 5:28:59 | 5:30:20 | 6:01:48 | 6:16:00 | 7:05:43 | 5:28:59 |
| F65-69 | 13 | 5:56:46 | 5:56:46 | 6:03:03 | 6:09:29 | 6:52:49 | 5:56:46 |
| F70-74 | 6 | 6:20:29 | 6:20:29 | 6:20:29 | 6:53:22 | 7:09:11 | 6:20:29 |
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.