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 | 1,134 | 4:07:37 | 4:36:37 | 4:49:56 | 5:06:14 | 5:35:25 | 3:55:24 |
| MPRO | 23 | 3:55:24 | 3:58:08 | 3:59:13 | 4:01:19 | 4:07:37 | 3:55:24 |
| M18-24 | 41 | 4:24:08 | 4:32:06 | 4:36:37 | 4:45:00 | 5:04:02 | 4:24:08 |
| M25-29 | 131 | 4:28:21 | 4:42:13 | 4:50:06 | 5:03:18 | 5:27:56 | 4:21:06 |
| M30-34 | 194 | 4:22:00 | 4:35:20 | 4:46:07 | 5:00:54 | 5:28:50 | 4:20:54 |
| M35-39 | 224 | 4:31:29 | 4:46:06 | 4:52:27 | 5:07:36 | 5:30:51 | 4:22:21 |
| M40-44 | 225 | 4:32:20 | 4:49:18 | 4:55:42 | 5:09:32 | 5:40:28 | 4:26:55 |
| M45-49 | 167 | 4:31:05 | 4:51:04 | 5:02:57 | 5:18:20 | 5:43:18 | 4:30:39 |
| M50-54 | 77 | 4:38:07 | 4:56:24 | 5:06:45 | 5:12:13 | 5:46:19 | 4:38:07 |
| M55-59 | 37 | 4:39:29 | 5:00:48 | 5:15:13 | 5:37:34 | 5:56:33 | 4:39:29 |
| M60-64 | 9 | 5:23:42 | 5:23:42 | 5:23:42 | 5:36:12 | 6:50:21 | 5:23:42 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 166 | 4:29:39 | 4:58:33 | 5:06:08 | 5:21:42 | 5:59:58 | 4:28:21 |
| FPRO | 8 | 4:28:21 | 4:28:21 | 4:28:21 | 4:29:39 | 4:47:37 | 4:28:21 |
| F25-29 | 31 | 5:00:45 | 5:00:45 | 5:06:28 | 5:18:53 | 5:53:33 | 5:00:45 |
| F30-34 | 34 | 5:04:06 | 5:05:35 | 5:09:31 | 5:28:52 | 6:03:11 | 5:04:06 |
| F35-39 | 30 | 4:51:22 | 4:53:27 | 4:58:33 | 5:22:31 | 5:59:19 | 4:51:22 |
| F40-44 | 23 | 5:06:08 | 5:11:31 | 5:19:33 | 5:44:58 | 6:07:05 | 5:06:08 |
| F45-49 | 20 | 4:59:59 | 4:59:59 | 5:25:19 | 5:32:12 | 6:01:17 | 4:59:59 |
| F50-54 | 12 | 5:14:17 | 5:14:17 | 5:27:22 | 5:29:31 | 6:00:12 | 5:14:17 |
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.