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 | 917 | 4:10:02 | 4:29:52 | 4:39:15 | 4:51:57 | 5:24:19 | 3:58:55 |
| M18-24 | 28 | 3:58:55 | 4:02:11 | 4:09:12 | 4:36:20 | 4:48:14 | 3:58:55 |
| M25-29 | 74 | 3:59:24 | 4:19:49 | 4:33:56 | 4:48:14 | 5:14:20 | 3:59:24 |
| M30-34 | 137 | 4:10:08 | 4:26:32 | 4:34:14 | 4:49:02 | 5:17:43 | 4:09:13 |
| M35-39 | 139 | 4:09:49 | 4:22:07 | 4:33:13 | 4:48:43 | 5:18:22 | 4:08:49 |
| M40-44 | 164 | 4:15:48 | 4:28:03 | 4:35:26 | 4:48:15 | 5:22:43 | 4:15:16 |
| M45-49 | 168 | 4:14:13 | 4:32:04 | 4:44:00 | 4:53:01 | 5:25:27 | 4:01:02 |
| M50-54 | 104 | 4:38:41 | 4:44:08 | 4:49:50 | 5:01:47 | 5:31:50 | 4:35:44 |
| M55-59 | 64 | 4:36:58 | 4:43:21 | 4:53:01 | 5:08:25 | 5:37:21 | 4:36:58 |
| M60-64 | 28 | 4:36:05 | 4:53:04 | 5:01:28 | 5:19:11 | 5:42:12 | 4:36:05 |
| M65-69 | 9 | 5:15:57 | 5:15:57 | 5:15:57 | 5:26:03 | 6:04:26 | 5:15:57 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 111 | 4:30:40 | 4:46:31 | 4:51:26 | 5:04:37 | 5:44:30 | 4:26:14 |
| F18-24 | 6 | 4:52:44 | 4:52:44 | 4:52:44 | 5:10:55 | 5:22:03 | 4:52:44 |
| F25-29 | 14 | 4:26:14 | 4:26:14 | 4:38:18 | 5:04:37 | 5:21:22 | 4:26:14 |
| F30-34 | 14 | 4:45:25 | 4:45:25 | 4:52:04 | 4:54:47 | 5:45:59 | 4:45:25 |
| F35-39 | 26 | 4:46:54 | 4:53:08 | 5:03:14 | 5:29:51 | 5:46:25 | 4:46:54 |
| F40-44 | 21 | 4:45:08 | 4:46:31 | 4:49:28 | 4:51:21 | 5:34:54 | 4:45:08 |
| F45-49 | 12 | 4:30:40 | 4:30:40 | 4:49:31 | 5:09:32 | 5:26:31 | 4:30:40 |
| F50-54 | 9 | 4:55:43 | 4:55:43 | 4:55:43 | 5:08:02 | 6:09:56 | 4:55:43 |
| F55-59 | 6 | 5:27:56 | 5:27:56 | 5:27:56 | 5:35:39 | 5:45:24 | 5:27:56 |
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.