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 | 1,356 | 4:14:30 | 4:46:00 | 5:05:02 | 5:29:19 | 6:13:23 | 3:51:16 |
| MPRO | 24 | 3:51:16 | 3:52:59 | 4:00:39 | 4:02:18 | 4:13:08 | 3:51:16 |
| M18-24 | 82 | 4:18:33 | 4:42:23 | 4:47:57 | 4:59:18 | 5:57:12 | 4:18:33 |
| M25-29 | 156 | 4:31:09 | 4:42:34 | 4:53:36 | 5:33:55 | 6:12:09 | 4:29:33 |
| M30-34 | 222 | 4:31:52 | 4:42:02 | 5:05:33 | 5:29:19 | 6:14:15 | 4:21:30 |
| M35-39 | 245 | 4:40:18 | 4:56:54 | 5:10:01 | 5:29:11 | 6:13:07 | 4:21:20 |
| M40-44 | 256 | 4:52:03 | 5:03:29 | 5:18:09 | 5:35:17 | 6:11:56 | 4:24:42 |
| M45-49 | 166 | 4:39:49 | 5:01:04 | 5:14:59 | 5:30:43 | 6:15:20 | 4:37:33 |
| M50-54 | 123 | 4:59:13 | 5:11:03 | 5:18:56 | 5:44:09 | 6:26:32 | 4:50:32 |
| M55-59 | 54 | 4:52:17 | 5:20:01 | 5:30:11 | 5:42:16 | 6:39:39 | 4:52:17 |
| M60-64 | 17 | 5:01:09 | 5:01:09 | 5:25:23 | 6:08:04 | 6:43:19 | 5:01:09 |
| M65-69 | 7 | 6:16:19 | 6:16:19 | 6:16:19 | 6:25:31 | 7:03:38 | 6:16:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 554 | 4:38:48 | 5:11:46 | 5:30:19 | 5:55:38 | 6:49:19 | 4:23:48 |
| FPRO | 18 | 4:23:48 | 4:23:48 | 4:26:43 | 4:30:38 | 4:44:56 | 4:23:48 |
| F18-24 | 41 | 5:04:28 | 5:25:13 | 5:34:39 | 5:47:55 | 6:23:20 | 5:04:28 |
| F25-29 | 65 | 5:20:03 | 5:30:19 | 5:38:44 | 6:11:45 | 6:49:19 | 5:20:03 |
| F30-34 | 101 | 5:01:39 | 5:23:25 | 5:40:41 | 6:07:53 | 6:55:40 | 4:54:58 |
| F35-39 | 123 | 4:59:04 | 5:12:13 | 5:24:12 | 6:00:46 | 6:46:05 | 4:54:12 |
| F40-44 | 79 | 5:11:46 | 5:22:44 | 5:35:32 | 5:58:27 | 6:44:05 | 5:11:46 |
| F45-49 | 71 | 5:23:01 | 5:28:31 | 5:43:53 | 6:11:39 | 7:03:04 | 5:23:01 |
| F50-54 | 38 | 5:31:16 | 5:40:28 | 5:48:15 | 6:08:43 | 6:54:17 | 5:31:16 |
| F55-59 | 14 | 5:47:20 | 5:47:20 | 6:17:36 | 6:18:30 | 7:14:44 | 5:47:20 |
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.