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 | 1,499 | 4:25:47 | 4:48:14 | 5:00:44 | 5:20:40 | 5:59:45 | 4:03:08 |
| MPRO | 6 | 4:03:08 | 4:03:08 | 4:03:08 | 4:06:29 | 4:07:27 | 4:03:08 |
| M18-24 | 80 | 4:12:45 | 4:22:12 | 4:33:37 | 4:54:39 | 5:51:40 | 4:12:45 |
| M25-29 | 184 | 4:25:47 | 4:45:50 | 4:56:36 | 5:15:20 | 5:51:42 | 4:19:45 |
| M30-34 | 252 | 4:33:09 | 4:45:34 | 4:53:39 | 5:15:45 | 5:50:56 | 4:17:14 |
| M35-39 | 266 | 4:31:43 | 4:49:01 | 5:00:35 | 5:28:13 | 6:00:55 | 4:21:40 |
| M40-44 | 260 | 4:34:09 | 4:48:29 | 5:04:30 | 5:15:30 | 5:51:01 | 4:32:22 |
| M45-49 | 245 | 4:47:34 | 4:57:48 | 5:07:37 | 5:24:20 | 6:14:41 | 4:39:15 |
| M50-54 | 120 | 4:53:38 | 4:59:50 | 5:19:24 | 5:28:25 | 6:10:26 | 4:45:57 |
| M55-59 | 61 | 4:48:14 | 5:12:32 | 5:30:05 | 5:49:42 | 6:28:13 | 4:48:14 |
| M60-64 | 16 | 5:32:38 | 5:32:38 | 5:46:48 | 6:01:02 | 6:39:02 | 5:32:38 |
| M65-69 | 7 | 5:54:41 | 5:54:41 | 5:54:41 | 6:08:25 | 6:38:37 | 5:54:41 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 377 | 4:33:46 | 5:05:49 | 5:26:23 | 5:45:57 | 6:30:28 | 4:25:05 |
| FPRO | 6 | 4:25:05 | 4:25:05 | 4:25:05 | 4:28:01 | 4:28:06 | 4:25:05 |
| F18-24 | 29 | 4:37:30 | 4:43:32 | 5:04:40 | 5:28:54 | 6:21:19 | 4:37:30 |
| F25-29 | 60 | 4:43:58 | 4:58:18 | 5:10:06 | 5:23:32 | 6:27:33 | 4:43:58 |
| F30-34 | 56 | 5:03:54 | 5:19:17 | 5:33:57 | 5:38:07 | 6:12:01 | 5:03:54 |
| F35-39 | 62 | 4:48:08 | 5:18:03 | 5:31:12 | 5:46:54 | 6:27:14 | 4:48:08 |
| F40-44 | 71 | 4:59:23 | 5:11:15 | 5:45:57 | 6:09:37 | 6:57:33 | 4:59:23 |
| F45-49 | 51 | 5:05:56 | 5:38:46 | 6:04:15 | 6:10:46 | 6:40:23 | 5:05:56 |
| F50-54 | 25 | 5:28:05 | 5:48:50 | 5:53:03 | 5:54:53 | 6:44:25 | 5:28:05 |
| F55-59 | 12 | 5:36:43 | 5:36:43 | 5:45:36 | 6:01:20 | 6:55:51 | 5:36:43 |
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.