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 | 542 | 4:36:03 | 5:02:06 | 5:24:19 | 5:42:34 | 6:24:06 | 4:09:18 |
| M18-24 | 30 | 4:49:31 | 5:08:58 | 5:11:14 | 5:29:52 | 5:59:42 | 4:49:31 |
| M25-29 | 79 | 4:26:35 | 4:45:13 | 5:04:10 | 5:37:43 | 6:20:43 | 4:26:35 |
| M30-34 | 83 | 4:09:18 | 4:45:16 | 4:58:19 | 5:27:46 | 6:07:02 | 4:09:18 |
| M35-39 | 81 | 4:31:02 | 5:33:31 | 5:36:06 | 5:54:25 | 6:36:52 | 4:31:02 |
| M40-44 | 87 | 4:45:34 | 5:20:36 | 5:35:21 | 5:44:44 | 6:20:15 | 4:45:34 |
| M45-49 | 61 | 4:54:47 | 5:02:06 | 5:22:17 | 5:45:29 | 6:21:46 | 4:54:47 |
| M50-54 | 56 | 4:48:02 | 4:59:55 | 5:18:10 | 5:37:55 | 6:27:16 | 4:48:02 |
| M55-59 | 34 | 4:59:54 | 5:15:50 | 5:32:11 | 5:50:24 | 6:49:10 | 4:59:54 |
| M60-64 | 24 | 5:45:50 | 5:46:42 | 6:09:57 | 6:27:04 | 7:07:10 | 5:45:50 |
| M65-69 | 6 | 6:17:09 | 6:17:09 | 6:17:09 | 6:31:36 | 7:54:05 | 6:17:09 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 218 | 5:14:37 | 5:33:05 | 5:52:33 | 6:07:44 | 6:51:14 | 5:07:16 |
| F18-24 | 7 | 5:45:11 | 5:45:11 | 5:45:11 | 5:55:29 | 6:48:31 | 5:45:11 |
| F25-29 | 35 | 5:40:50 | 5:52:33 | 5:54:25 | 6:03:14 | 6:41:41 | 5:40:50 |
| F30-34 | 29 | 5:07:16 | 5:18:06 | 5:25:58 | 6:09:41 | 6:49:35 | 5:07:16 |
| F35-39 | 34 | 5:12:42 | 5:17:40 | 5:23:31 | 6:09:48 | 6:51:14 | 5:12:42 |
| F40-44 | 57 | 5:33:05 | 5:43:07 | 5:51:56 | 6:13:30 | 6:52:16 | 5:33:05 |
| F45-49 | 18 | 5:22:12 | 5:22:12 | 5:58:21 | 6:28:14 | 7:03:26 | 5:22:12 |
| F50-54 | 23 | 5:15:31 | 5:51:58 | 5:56:47 | 6:00:07 | 6:58:38 | 5:15:31 |
| F55-59 | 9 | 5:14:37 | 5:14:37 | 5:14:37 | 5:44:41 | 6:05:29 | 5:14:37 |
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.