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 | 1,331 | 4:11:50 | 4:37:09 | 4:54:58 | 5:13:46 | 5:57:45 | 3:53:14 |
| MPRO | 25 | 3:53:14 | 3:57:10 | 3:58:13 | 4:02:01 | 4:11:50 | 3:53:14 |
| M18-24 | 58 | 4:13:27 | 4:24:37 | 4:49:40 | 5:05:48 | 6:19:46 | 4:13:27 |
| M25-29 | 114 | 4:15:10 | 4:30:18 | 4:48:00 | 5:01:15 | 5:43:50 | 4:11:16 |
| M30-34 | 181 | 4:24:16 | 4:38:17 | 4:50:46 | 5:09:06 | 5:53:05 | 4:21:24 |
| M35-39 | 266 | 4:23:26 | 4:37:42 | 4:51:00 | 5:11:30 | 5:53:58 | 4:18:17 |
| M40-44 | 303 | 4:27:11 | 4:48:49 | 4:59:16 | 5:18:02 | 5:59:18 | 4:21:27 |
| M45-49 | 204 | 4:35:45 | 4:56:27 | 5:08:26 | 5:25:06 | 6:01:35 | 4:29:04 |
| M50-54 | 102 | 4:56:40 | 5:00:11 | 5:12:40 | 5:24:33 | 6:07:53 | 4:53:08 |
| M55-59 | 39 | 4:59:31 | 5:17:11 | 5:21:51 | 5:42:26 | 6:15:44 | 4:59:31 |
| M60-64 | 21 | 5:05:32 | 5:20:38 | 5:29:06 | 5:50:34 | 6:43:12 | 5:05:32 |
| M65-69 | 9 | 5:50:27 | 5:50:27 | 5:50:27 | 5:59:21 | 7:15:30 | 5:50:27 |
| M70-74 | 9 | 5:44:45 | 5:44:45 | 5:44:45 | 5:59:31 | 6:40:19 | 5:44:45 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 483 | 4:36:10 | 5:02:34 | 5:15:52 | 5:37:56 | 6:20:26 | 4:22:31 |
| FPRO | 12 | 4:22:31 | 4:22:31 | 4:28:36 | 4:32:14 | 4:38:30 | 4:22:31 |
| F18-24 | 21 | 5:04:35 | 5:07:45 | 5:34:27 | 5:50:31 | 6:28:25 | 5:04:35 |
| F25-29 | 71 | 4:47:51 | 5:12:00 | 5:20:27 | 5:37:56 | 6:26:25 | 4:47:51 |
| F30-34 | 78 | 4:52:30 | 5:01:38 | 5:08:54 | 5:24:53 | 6:16:30 | 4:52:30 |
| F35-39 | 84 | 4:40:46 | 5:07:41 | 5:25:38 | 5:41:06 | 6:19:39 | 4:40:46 |
| F40-44 | 103 | 4:56:24 | 5:07:13 | 5:23:14 | 5:49:55 | 6:23:26 | 4:47:12 |
| F45-49 | 60 | 5:05:46 | 5:17:28 | 5:22:35 | 5:44:20 | 6:09:07 | 5:05:46 |
| F50-54 | 36 | 5:22:17 | 5:28:12 | 5:39:24 | 5:53:34 | 6:40:58 | 5:22:17 |
| F55-59 | 13 | 5:35:18 | 5:35:18 | 6:11:16 | 6:19:54 | 6:43:18 | 5:35:18 |
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.