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 | 771 | 8:25:29 | 8:56:52 | 9:22:12 | 9:54:01 | 11:11:19 | 8:10:37 |
| M18-24 | 28 | 8:43:25 | 8:49:55 | 8:51:36 | 9:29:10 | 10:36:42 | 8:43:25 |
| M25-29 | 83 | 8:19:27 | 8:40:28 | 9:04:06 | 9:36:49 | 10:44:56 | 8:19:27 |
| M30-34 | 121 | 8:12:39 | 8:38:54 | 8:52:12 | 9:32:41 | 10:44:43 | 8:11:04 |
| M35-39 | 119 | 8:26:40 | 8:43:53 | 9:08:07 | 9:39:54 | 10:47:38 | 8:25:29 |
| M40-44 | 127 | 8:42:43 | 9:01:42 | 9:24:32 | 10:11:26 | 11:23:36 | 8:10:37 |
| M45-49 | 115 | 8:31:05 | 9:17:09 | 9:24:22 | 9:54:01 | 11:23:17 | 8:23:15 |
| M50-54 | 102 | 9:22:12 | 9:44:33 | 9:55:38 | 10:17:00 | 11:25:32 | 9:08:08 |
| M55-59 | 50 | 9:07:04 | 9:36:29 | 10:00:48 | 10:18:38 | 11:56:37 | 9:07:04 |
| M60-64 | 19 | 10:13:50 | 10:13:50 | 10:32:39 | 11:02:59 | 12:29:05 | 10:13:50 |
| M65-69 | 5 | 11:00:03 | 11:00:03 | 11:00:03 | 11:00:03 | 12:36:36 | 11:00:03 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 126 | 9:35:50 | 10:12:46 | 10:21:53 | 10:52:41 | 11:50:44 | 9:21:23 |
| F18-24 | 6 | 9:41:38 | 9:41:38 | 9:41:38 | 10:22:11 | 10:31:30 | 9:41:38 |
| F25-29 | 26 | 10:19:02 | 10:19:36 | 10:21:53 | 10:59:11 | 11:40:41 | 10:19:02 |
| F30-34 | 26 | 9:55:56 | 9:58:47 | 10:00:53 | 10:42:58 | 11:22:26 | 9:55:56 |
| F35-39 | 15 | 10:12:46 | 10:12:46 | 10:32:50 | 10:34:49 | 12:10:35 | 10:12:46 |
| F40-44 | 21 | 9:21:23 | 10:31:05 | 10:56:09 | 11:16:03 | 11:53:27 | 9:21:23 |
| F45-49 | 15 | 9:35:50 | 9:35:50 | 10:16:03 | 10:23:05 | 12:50:33 | 9:35:50 |
| F50-54 | 11 | 10:16:09 | 10:16:09 | 11:00:45 | 11:22:53 | 12:28:29 | 10:16:09 |
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.