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 | 1,107 | 3:54:53 | 4:26:23 | 4:46:47 | 5:12:41 | 6:03:59 | 3:38:19 |
| MPRO | 37 | 3:38:19 | 3:41:07 | 3:44:26 | 3:49:12 | 4:03:24 | 3:38:19 |
| M18-24 | 48 | 4:17:37 | 4:20:02 | 4:25:19 | 4:50:14 | 5:49:25 | 4:17:37 |
| M25-29 | 137 | 4:10:47 | 4:26:43 | 5:04:03 | 5:25:42 | 6:02:47 | 4:02:38 |
| M30-34 | 167 | 4:14:57 | 4:31:37 | 4:43:32 | 5:14:10 | 6:03:35 | 4:13:44 |
| M35-39 | 170 | 4:25:07 | 4:33:10 | 4:47:34 | 5:11:54 | 5:59:12 | 4:22:51 |
| M40-44 | 158 | 4:24:22 | 4:42:02 | 4:55:04 | 5:13:14 | 6:00:10 | 4:23:46 |
| M45-49 | 139 | 4:38:38 | 4:52:24 | 5:03:41 | 5:21:55 | 6:18:04 | 4:17:56 |
| M50-54 | 110 | 4:37:57 | 4:55:52 | 5:08:47 | 5:28:44 | 6:22:16 | 4:37:51 |
| M55-59 | 75 | 4:36:57 | 4:44:11 | 4:55:02 | 5:07:33 | 5:53:56 | 4:36:57 |
| M60-64 | 37 | 4:49:17 | 4:52:06 | 5:10:31 | 5:23:00 | 6:35:16 | 4:49:17 |
| M65-69 | 17 | 5:38:44 | 5:38:44 | 5:41:55 | 5:46:32 | 6:47:19 | 5:38:44 |
| M70-74 | 10 | 6:07:24 | 6:07:24 | 6:07:24 | 6:10:24 | 6:57:55 | 6:07:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 413 | 4:22:04 | 4:46:10 | 5:06:26 | 5:35:25 | 6:35:42 | 4:14:02 |
| FPRO | 20 | 4:14:02 | 4:14:02 | 4:15:00 | 4:20:47 | 4:28:58 | 4:14:02 |
| F18-24 | 15 | 5:27:30 | 5:27:30 | 5:38:43 | 6:07:50 | 6:52:51 | 5:27:30 |
| F25-29 | 49 | 4:46:50 | 4:51:35 | 5:12:01 | 5:39:37 | 6:18:24 | 4:46:50 |
| F30-34 | 55 | 4:34:15 | 4:58:25 | 5:11:52 | 5:43:22 | 6:28:57 | 4:34:15 |
| F35-39 | 58 | 4:54:04 | 4:56:32 | 5:06:22 | 5:32:44 | 6:25:02 | 4:54:04 |
| F40-44 | 61 | 4:55:16 | 5:06:12 | 5:08:59 | 5:26:51 | 6:29:43 | 4:55:16 |
| F45-49 | 44 | 5:02:48 | 5:20:52 | 5:27:50 | 5:59:42 | 6:56:04 | 5:02:48 |
| F50-54 | 54 | 4:51:16 | 5:22:43 | 5:30:26 | 5:50:05 | 6:49:13 | 4:51:16 |
| F55-59 | 31 | 5:07:39 | 5:21:47 | 5:35:51 | 6:13:37 | 7:05:21 | 5:07:39 |
| F60-64 | 18 | 6:37:03 | 6:37:03 | 6:41:23 | 6:49:36 | 7:12:39 | 6:37:03 |
| F65-69 | 6 | 6:25:06 | 6:25:06 | 6:25:06 | 6:33:46 | 6:48:15 | 6:25:06 |
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.