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 | 1,878 | 8:44:13 | 9:26:30 | 9:56:10 | 10:54:04 | 12:30:17 | 8:16:19 |
| M18-24 | 105 | 9:08:18 | 9:44:34 | 10:09:23 | 10:29:01 | 12:06:48 | 8:42:59 |
| M25-29 | 252 | 8:41:30 | 9:23:48 | 9:55:13 | 10:47:08 | 12:04:44 | 8:17:21 |
| M30-34 | 256 | 8:31:47 | 9:15:16 | 9:49:56 | 10:58:27 | 12:23:51 | 8:16:19 |
| M35-39 | 259 | 8:24:33 | 9:02:19 | 9:32:26 | 10:18:50 | 12:01:52 | 8:22:12 |
| M40-44 | 261 | 8:40:37 | 9:13:06 | 9:54:12 | 10:46:57 | 12:35:15 | 8:32:32 |
| M45-49 | 231 | 8:54:54 | 9:26:39 | 9:58:59 | 10:44:44 | 12:23:13 | 8:29:31 |
| M50-54 | 201 | 9:01:03 | 9:34:51 | 10:22:00 | 11:16:13 | 12:53:09 | 8:46:24 |
| M55-59 | 163 | 9:33:48 | 9:52:50 | 10:14:54 | 11:18:44 | 13:15:46 | 9:33:29 |
| M60-64 | 101 | 10:13:26 | 10:47:12 | 11:26:10 | 12:40:41 | 14:24:40 | 9:52:14 |
| M65-69 | 41 | 10:27:57 | 11:14:36 | 11:32:16 | 11:51:41 | 13:25:52 | 10:27:57 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 448 | 9:56:08 | 10:46:29 | 11:17:55 | 12:04:38 | 13:37:16 | 9:34:30 |
| F18-24 | 17 | 11:28:42 | 11:28:42 | 11:37:37 | 11:59:36 | 13:21:34 | 11:28:42 |
| F25-29 | 51 | 9:45:14 | 10:32:35 | 11:09:07 | 11:46:44 | 13:05:28 | 9:45:14 |
| F30-34 | 76 | 9:54:21 | 10:17:10 | 11:07:54 | 12:04:38 | 13:14:42 | 9:54:21 |
| F35-39 | 55 | 10:35:24 | 10:57:40 | 11:33:35 | 11:44:32 | 12:58:33 | 10:35:24 |
| F40-44 | 69 | 9:34:30 | 10:23:05 | 10:41:55 | 11:31:19 | 12:33:33 | 9:34:30 |
| F45-49 | 60 | 9:38:09 | 10:26:31 | 11:17:55 | 12:13:06 | 13:48:10 | 9:38:09 |
| F50-54 | 47 | 10:47:20 | 11:19:24 | 11:39:38 | 12:39:53 | 14:37:07 | 10:47:20 |
| F55-59 | 42 | 10:38:47 | 11:33:33 | 12:16:07 | 12:45:05 | 14:21:13 | 10:38:47 |
| F60-64 | 23 | 11:26:11 | 12:03:53 | 12:41:13 | 13:09:14 | 14:49:59 | 11:26:11 |
| F65-69 | 7 | 14:17:48 | 14:17:48 | 14:17:48 | 14:55:06 | 15:25:51 | 14:17:48 |
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.