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 | 869 | 4:35:15 | 4:53:02 | 5:06:08 | 5:23:31 | 6:06:20 | 4:15:22 |
| M18-24 | 19 | 4:35:15 | 4:35:15 | 4:38:18 | 4:41:59 | 5:55:50 | 4:35:15 |
| M25-29 | 67 | 4:15:22 | 4:51:18 | 5:08:58 | 5:19:36 | 6:01:28 | 4:15:22 |
| M30-34 | 114 | 4:30:11 | 4:46:55 | 4:55:26 | 5:11:51 | 5:53:34 | 4:29:19 |
| M35-39 | 138 | 4:40:28 | 4:49:00 | 5:01:13 | 5:14:53 | 6:01:13 | 4:28:09 |
| M40-44 | 131 | 4:33:29 | 4:48:36 | 5:08:15 | 5:22:09 | 5:56:23 | 4:28:31 |
| M45-49 | 128 | 4:44:50 | 4:56:20 | 5:08:54 | 5:19:50 | 6:02:57 | 4:36:47 |
| M50-54 | 131 | 4:54:27 | 5:02:39 | 5:11:41 | 5:31:35 | 6:24:39 | 4:50:57 |
| M55-59 | 84 | 4:50:34 | 5:14:50 | 5:26:18 | 5:46:49 | 6:25:30 | 4:50:34 |
| M60-64 | 31 | 5:12:45 | 5:18:11 | 5:44:58 | 5:50:15 | 6:34:33 | 5:12:45 |
| M65-69 | 21 | 5:42:02 | 6:21:58 | 6:23:32 | 6:31:48 | 6:55:20 | 5:42:02 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 455 | 4:49:28 | 5:18:06 | 5:36:23 | 5:58:40 | 6:39:08 | 4:36:06 |
| F18-24 | 8 | 4:36:06 | 4:36:06 | 4:36:06 | 4:48:09 | 6:00:32 | 4:36:06 |
| F25-29 | 37 | 5:07:31 | 5:15:07 | 5:42:13 | 5:55:58 | 6:28:28 | 5:07:31 |
| F30-34 | 49 | 4:45:58 | 4:55:38 | 5:12:46 | 5:40:12 | 6:31:56 | 4:45:58 |
| F35-39 | 77 | 4:49:28 | 5:17:14 | 5:32:36 | 5:49:48 | 6:46:16 | 4:49:28 |
| F40-44 | 89 | 4:56:28 | 5:24:08 | 5:38:05 | 5:57:31 | 6:41:11 | 4:56:28 |
| F45-49 | 67 | 4:54:22 | 5:06:42 | 5:24:21 | 5:53:44 | 6:26:33 | 4:54:22 |
| F50-54 | 70 | 5:15:43 | 5:37:24 | 5:51:30 | 6:05:02 | 6:49:10 | 5:15:43 |
| F55-59 | 28 | 5:17:24 | 5:18:40 | 5:58:50 | 6:08:43 | 6:42:12 | 5:17:24 |
| F60-64 | 23 | 6:02:04 | 6:02:45 | 6:07:54 | 6:20:18 | 7:04:21 | 6:02:04 |
| F65-69 | 6 | 6:43:57 | 6:43:57 | 6:43:57 | 7:05:46 | 7:19:43 | 6:43:57 |
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.