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 | 540 | 4:16:51 | 4:57:09 | 5:14:48 | 5:42:53 | 6:34:21 | 3:59:28 |
| MPRO | 7 | 3:59:28 | 3:59:28 | 3:59:28 | 4:00:24 | 4:04:06 | 3:59:28 |
| M18-24 | 6 | 5:00:51 | 5:00:51 | 5:00:51 | 5:03:24 | 5:47:00 | 5:00:51 |
| M25-29 | 43 | 4:41:21 | 4:56:42 | 5:06:51 | 5:39:57 | 6:35:12 | 4:41:21 |
| M30-34 | 105 | 4:29:05 | 4:49:08 | 4:59:31 | 5:23:16 | 6:30:36 | 4:28:05 |
| M35-39 | 124 | 4:28:20 | 5:02:48 | 5:15:05 | 5:37:53 | 6:27:01 | 4:22:52 |
| M40-44 | 112 | 5:08:07 | 5:18:50 | 5:42:25 | 5:58:16 | 6:43:30 | 4:48:49 |
| M45-49 | 92 | 4:47:23 | 5:22:46 | 5:31:11 | 5:54:15 | 6:38:33 | 4:47:23 |
| M50-54 | 32 | 5:11:37 | 5:19:26 | 5:49:24 | 6:01:28 | 6:53:02 | 5:11:37 |
| M55-59 | 11 | 5:38:30 | 5:38:30 | 6:15:40 | 6:20:52 | 7:36:46 | 5:38:30 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 72 | 4:37:27 | 4:51:49 | 5:29:37 | 5:42:05 | 6:21:26 | 4:37:27 |
| F25-29 | 10 | 4:40:52 | 4:40:52 | 4:40:52 | 5:40:13 | 6:22:41 | 4:40:52 |
| F30-34 | 12 | 5:02:44 | 5:02:44 | 5:28:01 | 5:43:09 | 6:19:22 | 5:02:44 |
| F35-39 | 18 | 5:42:05 | 5:42:05 | 5:42:31 | 5:58:25 | 6:24:44 | 5:42:05 |
| F40-44 | 14 | 5:29:37 | 5:29:37 | 5:31:28 | 5:32:27 | 5:59:39 | 5:29:37 |
| F45-49 | 8 | 5:36:32 | 5:36:32 | 5:36:32 | 5:47:20 | 6:24:04 | 5:36:32 |
| F50-54 | 7 | 5:28:50 | 5:28:50 | 5:28:50 | 5:42:55 | 6:37:31 | 5:28:50 |
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.