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 | 1,395 | 4:21:52 | 4:46:22 | 5:01:04 | 5:22:50 | 6:09:19 | 4:00:02 |
| M18-24 | 62 | 4:06:58 | 4:37:33 | 4:49:34 | 5:13:31 | 5:49:56 | 4:06:58 |
| M25-29 | 159 | 4:14:17 | 4:24:04 | 4:46:48 | 5:18:39 | 5:57:40 | 4:00:02 |
| M30-34 | 238 | 4:13:03 | 4:35:28 | 4:57:03 | 5:15:57 | 6:03:43 | 4:01:57 |
| M35-39 | 202 | 4:27:49 | 4:46:33 | 4:56:25 | 5:15:09 | 6:13:59 | 4:26:42 |
| M40-44 | 188 | 4:32:52 | 4:43:57 | 4:58:12 | 5:23:49 | 6:06:56 | 4:30:39 |
| M45-49 | 161 | 4:23:32 | 4:47:31 | 4:58:30 | 5:10:28 | 6:08:11 | 4:21:52 |
| M50-54 | 156 | 4:42:17 | 4:58:22 | 5:06:50 | 5:30:10 | 6:08:19 | 4:38:25 |
| M55-59 | 109 | 4:55:48 | 5:07:51 | 5:13:18 | 5:27:14 | 6:21:49 | 4:51:03 |
| M60-64 | 87 | 4:53:56 | 5:14:28 | 5:25:02 | 5:54:30 | 6:37:07 | 4:53:56 |
| M65-69 | 25 | 5:28:57 | 5:44:29 | 5:47:05 | 5:57:02 | 6:42:32 | 5:28:57 |
| M70-74 | 7 | 6:01:50 | 6:01:50 | 6:01:50 | 6:06:44 | 7:00:00 | 6:01:50 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 671 | 4:48:31 | 5:08:50 | 5:25:00 | 5:48:02 | 6:37:06 | 4:28:21 |
| F18-24 | 18 | 5:03:26 | 5:03:26 | 5:30:09 | 5:45:53 | 6:09:17 | 5:03:26 |
| F25-29 | 85 | 4:48:31 | 5:09:06 | 5:21:28 | 5:38:05 | 6:16:47 | 4:48:31 |
| F30-34 | 111 | 4:34:39 | 5:01:28 | 5:12:48 | 5:39:49 | 6:23:24 | 4:28:21 |
| F35-39 | 90 | 4:39:29 | 4:51:52 | 4:57:41 | 5:28:48 | 6:43:17 | 4:39:29 |
| F40-44 | 122 | 4:56:59 | 5:11:36 | 5:25:00 | 5:43:03 | 6:40:59 | 4:43:58 |
| F45-49 | 81 | 4:53:38 | 5:20:25 | 5:25:58 | 5:53:47 | 6:37:22 | 4:53:38 |
| F50-54 | 78 | 5:18:37 | 5:40:20 | 5:47:04 | 6:13:25 | 6:54:46 | 5:18:37 |
| F55-59 | 57 | 5:16:09 | 5:30:17 | 5:39:53 | 6:00:32 | 7:13:54 | 5:16:09 |
| F60-64 | 19 | 5:41:43 | 5:41:43 | 5:56:19 | 6:01:50 | 6:30:09 | 5:41:43 |
| F65-69 | 8 | 6:21:24 | 6:21:24 | 6:21:24 | 6:31:29 | 6:51:19 | 6:21:24 |
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.