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 | 1,300 | 8:10:06 | 8:42:23 | 9:07:06 | 9:51:21 | 11:17:42 | 7:51:46 |
| M18-24 | 39 | 8:55:12 | 9:04:39 | 9:06:29 | 10:11:26 | 11:12:29 | 8:55:12 |
| M25-29 | 82 | 8:00:45 | 8:19:47 | 8:29:18 | 9:13:32 | 10:56:43 | 8:00:45 |
| M30-34 | 151 | 7:53:53 | 8:24:49 | 8:54:35 | 9:26:04 | 10:52:27 | 7:51:46 |
| M35-39 | 173 | 8:04:22 | 8:22:46 | 8:40:26 | 9:24:50 | 11:00:04 | 7:58:50 |
| M40-44 | 206 | 8:17:22 | 8:36:54 | 8:57:49 | 9:38:25 | 10:51:26 | 8:08:33 |
| M45-49 | 255 | 8:19:46 | 8:46:38 | 9:09:38 | 10:00:00 | 11:25:35 | 8:01:01 |
| M50-54 | 218 | 8:48:48 | 9:05:46 | 9:23:12 | 10:03:36 | 11:32:28 | 8:23:24 |
| M55-59 | 104 | 9:05:57 | 9:38:11 | 10:01:11 | 10:47:39 | 11:44:32 | 9:05:41 |
| M60-64 | 51 | 9:40:12 | 9:48:16 | 9:52:19 | 10:58:57 | 12:27:55 | 9:40:12 |
| M65-69 | 14 | 10:29:31 | 10:29:31 | 10:37:05 | 10:57:41 | 12:10:22 | 10:29:31 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 552 | 9:13:15 | 9:34:53 | 10:03:52 | 10:39:24 | 12:06:05 | 8:48:06 |
| F18-24 | 13 | 10:02:39 | 10:02:39 | 10:15:21 | 10:33:59 | 12:09:09 | 10:02:39 |
| F25-29 | 38 | 9:12:54 | 9:14:28 | 9:29:50 | 10:08:19 | 11:51:37 | 9:12:54 |
| F30-34 | 66 | 8:56:26 | 9:22:53 | 9:28:04 | 10:21:14 | 11:39:37 | 8:56:26 |
| F35-39 | 84 | 8:57:04 | 9:27:22 | 9:51:21 | 10:34:31 | 11:58:15 | 8:57:04 |
| F40-44 | 117 | 9:18:04 | 9:46:07 | 9:55:39 | 10:44:48 | 11:54:29 | 9:14:58 |
| F45-49 | 103 | 9:23:48 | 9:52:38 | 10:16:04 | 10:51:29 | 12:23:19 | 8:48:06 |
| F50-54 | 73 | 9:20:58 | 10:15:53 | 10:24:19 | 11:03:11 | 12:27:17 | 9:20:58 |
| F55-59 | 43 | 9:45:51 | 10:01:08 | 10:29:05 | 11:17:12 | 12:33:48 | 9:45:51 |
| F60-64 | 12 | 10:59:52 | 10:59:52 | 11:35:08 | 11:55:27 | 12:32:30 | 10:59:52 |
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.