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 | 1,049 | 4:23:56 | 4:54:37 | 5:09:49 | 5:27:42 | 6:01:31 | 4:10:41 |
| MPRO | 14 | 4:10:41 | 4:10:41 | 4:11:43 | 4:12:12 | 4:21:12 | 4:10:41 |
| M18-24 | 38 | 4:36:34 | 4:46:53 | 4:53:54 | 5:12:25 | 6:09:01 | 4:36:34 |
| M25-29 | 131 | 4:34:40 | 4:59:13 | 5:08:22 | 5:18:59 | 5:52:21 | 4:23:38 |
| M30-34 | 156 | 4:42:36 | 4:51:21 | 5:12:19 | 5:23:30 | 6:03:55 | 4:41:46 |
| M35-39 | 214 | 4:35:23 | 4:50:46 | 5:02:51 | 5:20:48 | 5:52:59 | 4:28:25 |
| M40-44 | 199 | 4:49:39 | 5:07:35 | 5:18:42 | 5:32:31 | 6:06:00 | 4:23:56 |
| M45-49 | 169 | 4:49:11 | 5:05:46 | 5:23:18 | 5:35:23 | 6:07:08 | 4:39:55 |
| M50-54 | 96 | 4:51:55 | 5:08:35 | 5:20:10 | 5:33:37 | 6:08:24 | 4:51:55 |
| M55-59 | 21 | 5:33:41 | 5:42:56 | 5:46:20 | 5:52:28 | 6:17:48 | 5:33:41 |
| M60-64 | 8 | 5:38:32 | 5:38:32 | 5:38:32 | 6:32:18 | 6:41:02 | 5:38:32 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 261 | 4:52:40 | 5:21:37 | 5:29:05 | 5:59:02 | 6:42:46 | 4:40:16 |
| FPRO | 5 | 4:40:16 | 4:40:16 | 4:40:16 | 4:40:16 | 5:01:11 | 4:40:16 |
| F18-24 | 11 | 5:23:50 | 5:23:50 | 5:54:30 | 5:57:23 | 6:27:00 | 5:23:50 |
| F25-29 | 38 | 5:23:09 | 5:27:55 | 5:32:16 | 6:02:32 | 6:32:12 | 5:23:09 |
| F30-34 | 52 | 4:52:40 | 5:15:11 | 5:24:34 | 5:46:26 | 6:39:50 | 4:52:40 |
| F35-39 | 53 | 5:03:55 | 5:15:22 | 5:28:33 | 5:52:57 | 6:33:55 | 5:03:55 |
| F40-44 | 39 | 5:15:51 | 5:25:36 | 5:36:21 | 6:03:53 | 6:44:15 | 5:15:51 |
| F45-49 | 38 | 5:22:04 | 5:59:02 | 6:03:33 | 6:27:19 | 7:05:22 | 5:22:04 |
| F50-54 | 21 | 5:22:28 | 5:29:05 | 6:05:03 | 6:09:56 | 7:08:37 | 5:22:28 |
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.