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 | 1,780 | 4:19:37 | 4:35:40 | 4:47:02 | 5:02:11 | 5:31:32 | 3:59:03 |
| MPRO | 11 | 3:59:03 | 3:59:03 | 4:07:13 | 4:09:46 | 4:13:27 | 3:59:03 |
| M18-24 | 149 | 4:11:05 | 4:37:08 | 4:40:28 | 4:54:10 | 5:23:00 | 4:10:38 |
| M25-29 | 317 | 4:19:53 | 4:32:22 | 4:41:40 | 4:56:27 | 5:26:27 | 4:06:06 |
| M30-34 | 310 | 4:21:25 | 4:31:58 | 4:41:16 | 4:54:23 | 5:27:00 | 4:15:36 |
| M35-39 | 318 | 4:25:57 | 4:35:55 | 4:48:41 | 5:00:57 | 5:30:45 | 4:13:30 |
| M40-44 | 290 | 4:21:35 | 4:41:52 | 4:53:38 | 5:06:39 | 5:37:07 | 4:18:49 |
| M45-49 | 228 | 4:30:40 | 4:46:02 | 4:54:33 | 5:07:12 | 5:35:23 | 4:19:37 |
| M50-54 | 121 | 4:28:41 | 4:55:03 | 5:05:16 | 5:15:16 | 5:53:55 | 4:20:53 |
| M55-59 | 27 | 4:49:16 | 4:49:47 | 5:18:21 | 5:50:11 | 6:17:19 | 4:49:16 |
| M60-64 | 5 | 5:50:08 | 5:50:08 | 5:50:08 | 5:50:08 | 6:25:43 | 5:50:08 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 319 | 4:43:45 | 5:04:03 | 5:14:29 | 5:29:15 | 5:58:54 | 4:26:05 |
| F18-24 | 32 | 5:07:49 | 5:07:54 | 5:24:07 | 5:31:40 | 6:04:17 | 5:07:49 |
| F25-29 | 75 | 4:36:32 | 5:07:39 | 5:14:44 | 5:27:00 | 6:02:29 | 4:36:32 |
| F30-34 | 60 | 4:44:24 | 4:57:17 | 5:11:02 | 5:20:31 | 5:57:09 | 4:44:24 |
| F35-39 | 62 | 4:45:29 | 5:00:54 | 5:11:14 | 5:28:57 | 5:50:47 | 4:45:29 |
| F40-44 | 44 | 4:53:31 | 5:14:01 | 5:18:28 | 5:29:27 | 5:52:09 | 4:53:31 |
| F45-49 | 22 | 5:06:20 | 5:16:49 | 5:29:15 | 5:36:41 | 6:23:20 | 5:06:20 |
| F50-54 | 16 | 5:25:53 | 5:25:53 | 5:39:15 | 5:56:02 | 6:24:31 | 5:25:53 |
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.