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 | 564 | 4:18:42 | 5:00:54 | 5:21:28 | 5:49:20 | 6:37:46 | 4:02:31 |
| MPRO | 11 | 4:02:31 | 4:02:31 | 4:06:40 | 4:11:01 | 4:18:42 | 4:02:31 |
| M18-24 | 24 | 4:43:49 | 4:47:54 | 5:11:55 | 5:59:11 | 6:30:49 | 4:43:49 |
| M25-29 | 44 | 4:32:29 | 4:52:26 | 5:07:54 | 5:21:58 | 6:13:33 | 4:32:29 |
| M30-34 | 65 | 4:44:03 | 4:55:39 | 5:12:23 | 5:41:03 | 6:30:27 | 4:44:03 |
| M35-39 | 85 | 4:54:23 | 5:01:06 | 5:09:11 | 5:36:59 | 6:31:58 | 4:54:23 |
| M40-44 | 130 | 4:38:22 | 5:10:09 | 5:35:59 | 5:59:48 | 6:42:39 | 4:31:02 |
| M45-49 | 92 | 5:03:41 | 5:25:16 | 5:46:24 | 6:09:32 | 6:59:43 | 5:03:41 |
| M50-54 | 58 | 4:35:07 | 5:19:59 | 5:30:46 | 5:53:14 | 6:31:36 | 4:35:07 |
| M55-59 | 36 | 5:17:48 | 5:28:43 | 5:47:28 | 5:52:28 | 6:36:56 | 5:17:48 |
| M60-64 | 13 | 5:45:55 | 5:45:55 | 5:51:44 | 6:17:14 | 6:48:25 | 5:45:55 |
| M65-69 | 5 | 6:51:28 | 6:51:28 | 6:51:28 | 6:51:28 | 7:36:54 | 6:51:28 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 104 | 4:24:39 | 4:45:14 | 5:05:51 | 5:57:51 | 7:08:04 | 4:21:29 |
| FPRO | 10 | 4:21:29 | 4:21:29 | 4:21:29 | 4:24:39 | 4:42:12 | 4:21:29 |
| F25-29 | 11 | 5:36:04 | 5:36:04 | 6:09:03 | 6:09:25 | 7:21:40 | 5:36:04 |
| F30-34 | 11 | 5:03:52 | 5:03:52 | 5:10:03 | 5:58:49 | 6:34:41 | 5:03:52 |
| F35-39 | 20 | 5:07:28 | 5:07:28 | 5:11:16 | 6:02:40 | 6:54:36 | 5:07:28 |
| F40-44 | 20 | 5:05:38 | 5:05:38 | 5:29:41 | 5:56:15 | 7:24:49 | 5:05:38 |
| F45-49 | 14 | 6:10:42 | 6:10:42 | 6:31:07 | 6:32:39 | 7:09:38 | 6:10:42 |
| F55-59 | 9 | 6:55:16 | 6:55:16 | 6:55:16 | 7:25:50 | 7:47:10 | 6:55:16 |
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.