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 | 1,394 | 4:17:50 | 4:48:53 | 5:05:16 | 5:21:33 | 5:57:03 | 3:43:39 |
| MPRO | 12 | 3:43:39 | 3:43:39 | 3:46:46 | 3:50:55 | 3:58:56 | 3:43:39 |
| M18-24 | 50 | 4:13:21 | 4:27:09 | 4:59:22 | 5:04:20 | 5:45:36 | 4:13:21 |
| M25-29 | 177 | 4:17:50 | 4:48:53 | 5:04:26 | 5:22:12 | 5:52:34 | 4:13:09 |
| M30-34 | 302 | 4:23:09 | 4:47:13 | 5:04:52 | 5:17:49 | 5:50:18 | 4:17:45 |
| M35-39 | 318 | 4:30:30 | 4:50:46 | 5:05:16 | 5:18:57 | 5:54:29 | 4:23:53 |
| M40-44 | 256 | 4:37:56 | 4:56:32 | 5:09:53 | 5:22:22 | 5:56:21 | 4:24:55 |
| M45-49 | 160 | 4:39:19 | 5:00:37 | 5:15:07 | 5:39:08 | 6:10:23 | 4:33:43 |
| M50-54 | 71 | 4:27:44 | 5:04:42 | 5:16:38 | 5:31:18 | 6:17:18 | 4:27:44 |
| M55-59 | 37 | 4:48:17 | 5:05:25 | 5:31:38 | 5:49:03 | 6:25:13 | 4:48:17 |
| M60-64 | 9 | 5:38:21 | 5:38:21 | 5:38:21 | 6:08:00 | 6:37:58 | 5:38:21 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 396 | 4:41:28 | 5:14:33 | 5:32:35 | 5:52:18 | 6:30:20 | 4:30:17 |
| FPRO | 6 | 4:30:17 | 4:30:17 | 4:30:17 | 4:38:37 | 4:41:28 | 4:30:17 |
| F18-24 | 28 | 5:14:33 | 5:31:56 | 5:48:26 | 5:53:36 | 6:18:28 | 5:14:33 |
| F25-29 | 71 | 4:51:50 | 5:12:15 | 5:25:27 | 5:41:24 | 6:24:23 | 4:51:50 |
| F30-34 | 112 | 5:11:12 | 5:22:03 | 5:37:47 | 5:50:16 | 6:35:04 | 5:01:11 |
| F35-39 | 81 | 4:36:03 | 5:29:42 | 5:39:33 | 5:53:12 | 6:31:24 | 4:36:03 |
| F40-44 | 54 | 4:51:06 | 5:22:48 | 5:43:26 | 5:57:35 | 6:30:48 | 4:51:06 |
| F45-49 | 26 | 5:09:38 | 5:38:32 | 5:47:54 | 5:52:21 | 6:27:24 | 5:09:38 |
| F50-54 | 12 | 6:00:58 | 6:00:58 | 6:38:50 | 6:41:52 | 7:03:28 | 6:00:58 |
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.