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 | 774 | 4:28:32 | 4:54:12 | 5:06:31 | 5:25:11 | 6:18:59 | 4:07:37 |
| M18-24 | 22 | 4:07:37 | 4:27:16 | 4:49:36 | 5:05:29 | 5:49:33 | 4:07:37 |
| M25-29 | 62 | 4:23:34 | 4:48:36 | 4:52:40 | 5:12:40 | 6:02:44 | 4:23:34 |
| M30-34 | 92 | 4:25:49 | 4:36:28 | 4:52:09 | 5:14:42 | 5:59:51 | 4:25:49 |
| M35-39 | 100 | 4:40:32 | 4:56:07 | 5:03:18 | 5:20:07 | 6:07:30 | 4:40:32 |
| M40-44 | 143 | 4:25:00 | 4:58:21 | 5:06:58 | 5:21:08 | 6:09:02 | 4:17:38 |
| M45-49 | 148 | 4:28:32 | 4:37:53 | 5:03:02 | 5:19:14 | 6:16:53 | 4:24:24 |
| M50-54 | 86 | 4:42:19 | 5:14:52 | 5:29:50 | 5:44:41 | 6:40:08 | 4:42:19 |
| M55-59 | 70 | 4:57:52 | 5:13:41 | 5:35:36 | 5:49:08 | 6:32:26 | 4:57:52 |
| M60-64 | 31 | 5:13:04 | 5:25:11 | 5:42:15 | 6:10:13 | 7:03:52 | 5:13:04 |
| M65-69 | 16 | 5:20:07 | 5:20:07 | 5:47:14 | 5:58:53 | 6:33:41 | 5:20:07 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 470 | 5:08:48 | 5:30:26 | 5:47:09 | 6:10:36 | 7:04:27 | 4:35:56 |
| F18-24 | 18 | 5:38:55 | 5:38:55 | 6:06:17 | 6:32:24 | 7:17:40 | 5:38:55 |
| F25-29 | 47 | 4:59:10 | 5:17:16 | 5:45:05 | 5:54:27 | 6:52:37 | 4:59:10 |
| F30-34 | 61 | 4:49:26 | 5:10:06 | 5:32:45 | 5:49:15 | 6:56:15 | 4:49:26 |
| F35-39 | 59 | 5:18:41 | 5:30:13 | 5:37:23 | 5:49:04 | 6:49:50 | 5:18:41 |
| F40-44 | 82 | 4:35:56 | 5:47:09 | 5:57:11 | 6:21:41 | 7:03:45 | 4:35:56 |
| F45-49 | 82 | 5:08:48 | 5:29:29 | 5:50:26 | 6:13:43 | 6:57:11 | 5:08:48 |
| F50-54 | 62 | 5:13:31 | 5:40:02 | 5:55:03 | 6:25:16 | 6:55:41 | 5:13:31 |
| F55-59 | 38 | 5:25:34 | 5:51:22 | 6:12:35 | 6:29:38 | 7:38:08 | 5:25:34 |
| F60-64 | 17 | 6:55:40 | 6:55:40 | 7:01:52 | 7:13:53 | 7:52:11 | 6:55:40 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.