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 | 983 | 4:04:33 | 4:26:25 | 4:36:19 | 4:48:10 | 5:16:53 | 3:50:43 |
| MPRO | 14 | 3:50:43 | 3:50:43 | 3:52:02 | 3:53:01 | 3:59:54 | 3:50:43 |
| M18-24 | 75 | 4:09:26 | 4:30:34 | 4:35:45 | 4:44:33 | 5:16:02 | 4:09:26 |
| M25-29 | 149 | 4:06:16 | 4:24:22 | 4:31:32 | 4:39:41 | 5:09:40 | 4:06:01 |
| M30-34 | 173 | 4:25:31 | 4:30:00 | 4:36:38 | 4:46:44 | 5:15:06 | 4:08:06 |
| M35-39 | 200 | 4:19:10 | 4:30:21 | 4:42:10 | 4:51:55 | 5:16:55 | 4:13:31 |
| M40-44 | 170 | 4:11:31 | 4:24:02 | 4:36:19 | 4:50:11 | 5:17:08 | 4:10:41 |
| M45-49 | 127 | 4:20:20 | 4:36:32 | 4:44:56 | 4:55:50 | 5:17:32 | 4:19:35 |
| M50-54 | 48 | 4:43:08 | 4:48:30 | 4:53:54 | 4:59:19 | 5:24:53 | 4:43:08 |
| M55-59 | 19 | 4:38:39 | 4:38:39 | 4:55:17 | 5:26:35 | 5:38:26 | 4:38:39 |
| M60-64 | 7 | 5:17:15 | 5:17:15 | 5:17:15 | 5:26:11 | 5:37:16 | 5:17:15 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 194 | 4:22:31 | 4:50:18 | 5:07:17 | 5:18:59 | 5:53:02 | 4:20:26 |
| FPRO | 5 | 4:22:31 | 4:22:31 | 4:22:31 | 4:22:31 | 4:37:35 | 4:22:31 |
| F18-24 | 21 | 4:57:00 | 5:11:39 | 5:17:21 | 5:23:52 | 5:48:18 | 4:57:00 |
| F25-29 | 39 | 4:56:33 | 5:05:25 | 5:18:18 | 5:22:09 | 5:48:59 | 4:56:33 |
| F30-34 | 35 | 4:20:26 | 4:50:18 | 4:53:40 | 5:09:18 | 5:44:25 | 4:20:26 |
| F35-39 | 40 | 4:45:39 | 4:46:42 | 4:59:07 | 5:22:33 | 5:54:48 | 4:45:39 |
| F40-44 | 23 | 5:10:26 | 5:12:48 | 5:18:12 | 5:35:54 | 6:09:06 | 5:10:26 |
| F45-49 | 18 | 4:58:27 | 4:58:27 | 5:07:17 | 5:21:52 | 5:53:10 | 4:58:27 |
| F50-54 | 7 | 5:34:37 | 5:34:37 | 5:34:37 | 5:43:52 | 5:53:18 | 5:34:37 |
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.