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 | 612 | 4:08:18 | 4:32:40 | 4:47:57 | 5:05:57 | 5:37:21 | 3:56:34 |
| MPRO | 18 | 3:56:34 | 3:56:34 | 3:57:26 | 4:00:05 | 4:20:58 | 3:56:34 |
| M18-24 | 18 | 4:38:39 | 4:38:39 | 4:45:08 | 4:59:32 | 5:24:11 | 4:38:39 |
| M25-29 | 63 | 4:27:00 | 4:39:30 | 4:41:55 | 4:54:36 | 5:32:20 | 4:27:00 |
| M30-34 | 122 | 4:25:24 | 4:32:48 | 4:42:00 | 4:59:38 | 5:32:10 | 4:24:37 |
| M35-39 | 117 | 4:23:13 | 4:40:34 | 4:58:19 | 5:13:43 | 5:36:04 | 4:20:58 |
| M40-44 | 133 | 4:24:43 | 4:47:14 | 4:53:50 | 5:12:57 | 5:37:10 | 4:19:37 |
| M45-49 | 62 | 4:31:11 | 4:57:08 | 5:08:04 | 5:14:56 | 5:44:48 | 4:31:11 |
| M50-54 | 42 | 4:49:38 | 4:54:36 | 4:58:33 | 5:19:34 | 5:55:15 | 4:49:38 |
| M55-59 | 24 | 4:46:47 | 5:12:56 | 5:17:25 | 5:23:47 | 6:10:47 | 4:46:47 |
| M60-64 | 8 | 5:37:58 | 5:37:58 | 5:37:58 | 5:50:42 | 6:18:58 | 5:37:58 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 331 | 4:43:01 | 5:03:39 | 5:19:52 | 5:34:48 | 6:11:05 | 4:38:28 |
| FPRO | 6 | 4:39:19 | 4:39:19 | 4:39:19 | 4:40:25 | 4:45:41 | 4:39:19 |
| F18-24 | 9 | 4:59:29 | 4:59:29 | 4:59:29 | 5:09:39 | 6:17:32 | 4:59:29 |
| F25-29 | 56 | 4:54:08 | 4:58:29 | 5:14:30 | 5:25:15 | 6:11:05 | 4:54:08 |
| F30-34 | 71 | 5:04:09 | 5:11:12 | 5:24:46 | 5:28:00 | 5:57:09 | 5:04:09 |
| F35-39 | 75 | 4:38:28 | 5:01:05 | 5:21:11 | 5:42:55 | 6:17:35 | 4:38:28 |
| F40-44 | 55 | 4:56:38 | 5:03:41 | 5:18:06 | 5:34:21 | 6:02:48 | 4:56:38 |
| F45-49 | 32 | 5:22:27 | 5:32:49 | 5:37:49 | 5:47:08 | 6:13:44 | 5:22:27 |
| F50-54 | 16 | 5:16:53 | 5:16:53 | 5:24:51 | 5:50:46 | 6:16:30 | 5:16:53 |
| F55-59 | 5 | 6:18:40 | 6:18:40 | 6:18:40 | 6:18:40 | 6:33:54 | 6:18:40 |
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.