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 | 1,767 | 4:22:27 | 4:44:53 | 4:57:09 | 5:15:44 | 5:59:22 | 4:00:39 |
| M18-24 | 116 | 4:16:52 | 4:32:26 | 4:56:53 | 5:15:26 | 5:51:30 | 4:06:14 |
| M25-29 | 250 | 4:15:42 | 4:35:10 | 4:49:54 | 5:09:58 | 5:51:51 | 4:04:15 |
| M30-34 | 269 | 4:17:30 | 4:35:48 | 4:52:26 | 5:08:39 | 5:53:17 | 4:02:15 |
| M35-39 | 231 | 4:22:13 | 4:34:23 | 4:53:14 | 5:07:09 | 5:53:52 | 4:13:30 |
| M40-44 | 252 | 4:22:27 | 4:47:13 | 4:56:31 | 5:19:18 | 6:01:34 | 4:00:39 |
| M45-49 | 217 | 4:36:50 | 4:48:16 | 5:00:53 | 5:13:26 | 5:53:50 | 4:23:48 |
| M50-54 | 172 | 4:30:04 | 4:47:18 | 5:00:12 | 5:14:55 | 6:11:13 | 4:28:56 |
| M55-59 | 131 | 4:49:41 | 4:58:27 | 5:10:34 | 5:30:59 | 6:19:43 | 4:29:35 |
| M60-64 | 89 | 4:58:08 | 5:20:35 | 5:33:13 | 5:48:07 | 6:25:12 | 4:58:08 |
| M65-69 | 29 | 5:18:19 | 5:25:38 | 5:32:04 | 5:40:51 | 7:00:49 | 5:18:19 |
| M70-74 | 9 | 5:56:26 | 5:56:26 | 5:56:26 | 6:38:58 | 7:05:57 | 5:56:26 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 634 | 4:55:03 | 5:09:09 | 5:25:39 | 5:47:34 | 6:37:33 | 4:37:22 |
| F18-24 | 54 | 5:03:49 | 5:07:44 | 5:20:20 | 5:33:38 | 6:18:50 | 5:03:49 |
| F25-29 | 85 | 4:57:49 | 5:18:10 | 5:22:28 | 5:45:44 | 6:36:25 | 4:57:49 |
| F30-34 | 104 | 4:53:58 | 5:00:04 | 5:22:03 | 5:41:18 | 6:27:02 | 4:46:47 |
| F35-39 | 72 | 4:37:22 | 4:58:48 | 5:11:11 | 5:34:27 | 6:16:48 | 4:37:22 |
| F40-44 | 91 | 4:52:39 | 5:02:00 | 5:24:56 | 5:58:54 | 6:41:53 | 4:52:39 |
| F45-49 | 83 | 4:48:14 | 5:14:37 | 5:46:00 | 6:02:01 | 6:44:34 | 4:48:14 |
| F50-54 | 58 | 5:05:25 | 5:14:42 | 5:24:50 | 5:42:28 | 6:50:37 | 5:05:25 |
| F55-59 | 56 | 5:24:56 | 5:33:27 | 5:46:56 | 6:03:05 | 6:44:13 | 5:24:56 |
| F60-64 | 17 | 5:45:38 | 5:45:38 | 5:59:24 | 6:36:37 | 7:31:53 | 5:45:38 |
| F65-69 | 10 | 6:07:11 | 6:07:11 | 6:07:11 | 6:42:34 | 7:28:08 | 6:07:11 |
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.