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 | 1,177 | 4:41:50 | 5:07:03 | 5:29:22 | 5:53:03 | 6:41:59 | 4:09:01 |
| M18-24 | 13 | 4:35:13 | 4:35:13 | 4:50:48 | 4:53:10 | 6:20:29 | 4:35:13 |
| M25-29 | 39 | 4:49:01 | 4:54:31 | 5:06:16 | 5:44:53 | 6:21:17 | 4:49:01 |
| M30-34 | 174 | 4:39:35 | 5:02:42 | 5:22:36 | 5:42:38 | 6:32:31 | 4:39:01 |
| M35-39 | 270 | 4:31:00 | 5:00:46 | 5:19:46 | 5:53:23 | 6:42:39 | 4:09:01 |
| M40-44 | 304 | 4:58:14 | 5:31:53 | 5:41:45 | 6:00:44 | 6:49:50 | 4:45:42 |
| M45-49 | 188 | 4:40:01 | 5:08:57 | 5:28:03 | 5:51:49 | 6:38:48 | 4:37:39 |
| M50-54 | 125 | 4:53:04 | 5:22:33 | 5:29:48 | 5:50:46 | 6:48:17 | 4:45:58 |
| M55-59 | 48 | 5:07:03 | 5:13:19 | 5:26:01 | 5:58:14 | 6:33:16 | 5:07:03 |
| M60-64 | 12 | 5:36:15 | 5:36:15 | 5:41:26 | 5:59:21 | 6:35:47 | 5:36:15 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 198 | 5:14:01 | 5:28:55 | 5:44:26 | 6:07:45 | 6:54:58 | 5:04:49 |
| F25-29 | 18 | 5:35:59 | 5:35:59 | 5:40:01 | 6:02:25 | 6:24:01 | 5:35:59 |
| F30-34 | 25 | 5:04:49 | 5:14:01 | 5:46:09 | 5:55:12 | 6:50:49 | 5:04:49 |
| F35-39 | 46 | 5:22:14 | 5:28:47 | 5:30:47 | 6:08:49 | 6:46:02 | 5:22:14 |
| F40-44 | 55 | 5:22:34 | 5:40:16 | 5:49:57 | 6:11:14 | 7:02:08 | 5:22:34 |
| F45-49 | 33 | 5:22:09 | 5:48:00 | 6:06:29 | 6:30:00 | 6:55:29 | 5:22:09 |
| F50-54 | 9 | 5:28:50 | 5:28:50 | 5:28:50 | 5:44:26 | 6:40:23 | 5:28:50 |
| F55-59 | 6 | 6:18:39 | 6:18:39 | 6:18:39 | 6:55:07 | 7:08:07 | 6:18:39 |
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.