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 | 974 | 4:11:37 | 4:25:43 | 4:35:54 | 4:48:54 | 5:18:19 | 3:59:08 |
| M18-24 | 37 | 3:59:08 | 4:00:55 | 4:34:50 | 4:51:37 | 5:21:29 | 3:59:08 |
| M25-29 | 78 | 3:59:28 | 4:07:39 | 4:18:43 | 4:26:50 | 4:59:30 | 3:59:28 |
| M30-34 | 133 | 4:11:37 | 4:20:26 | 4:27:57 | 4:40:22 | 5:06:48 | 4:04:27 |
| M35-39 | 156 | 4:14:30 | 4:20:44 | 4:34:24 | 4:43:29 | 5:11:41 | 4:10:58 |
| M40-44 | 162 | 4:13:33 | 4:23:54 | 4:32:50 | 4:45:07 | 5:16:57 | 4:10:40 |
| M45-49 | 142 | 4:25:56 | 4:34:25 | 4:42:27 | 4:52:46 | 5:16:51 | 4:22:47 |
| M50-54 | 144 | 4:26:26 | 4:47:35 | 4:53:02 | 5:01:39 | 5:29:30 | 4:20:16 |
| M55-59 | 74 | 4:34:49 | 4:45:55 | 4:54:14 | 5:06:08 | 5:39:27 | 4:34:49 |
| M60-64 | 32 | 4:50:37 | 4:57:46 | 5:05:46 | 5:10:23 | 5:45:49 | 4:50:37 |
| M65-69 | 8 | 5:04:21 | 5:04:21 | 5:04:21 | 5:10:13 | 5:47:28 | 5:04:21 |
| M70-74 | 5 | 5:14:50 | 5:14:50 | 5:14:50 | 5:14:50 | 6:46:50 | 5:14:50 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 203 | 4:32:11 | 5:00:12 | 5:07:10 | 5:19:41 | 5:52:33 | 4:25:45 |
| F18-24 | 7 | 4:25:45 | 4:25:45 | 4:25:45 | 5:11:58 | 5:31:00 | 4:25:45 |
| F25-29 | 25 | 4:32:11 | 4:43:08 | 5:00:21 | 5:04:10 | 5:34:25 | 4:32:11 |
| F30-34 | 30 | 4:32:03 | 4:47:19 | 5:05:39 | 5:09:39 | 5:35:49 | 4:32:03 |
| F35-39 | 27 | 4:45:27 | 4:53:23 | 5:06:38 | 5:10:43 | 5:42:40 | 4:45:27 |
| F40-44 | 29 | 4:38:45 | 4:49:59 | 5:03:08 | 5:29:25 | 5:55:01 | 4:38:45 |
| F45-49 | 37 | 4:42:49 | 5:00:12 | 5:20:19 | 5:29:34 | 6:05:26 | 4:42:49 |
| F50-54 | 26 | 5:03:17 | 5:12:34 | 5:14:15 | 5:47:35 | 6:18:17 | 5:03:17 |
| F55-59 | 14 | 5:16:48 | 5:16:48 | 5:18:43 | 5:25:19 | 5:59:41 | 5:16:48 |
| F60-64 | 6 | 5:05:33 | 5:05:33 | 5:05:33 | 5:52:33 | 6:18:10 | 5:05:33 |
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.