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 | 1,052 | 4:17:40 | 4:32:16 | 4:46:54 | 5:07:09 | 5:49:48 | 4:04:19 |
| M18-24 | 33 | 4:15:34 | 4:27:34 | 4:48:44 | 5:28:12 | 6:08:27 | 4:15:34 |
| M25-29 | 85 | 4:13:17 | 4:23:52 | 4:34:27 | 4:54:23 | 5:48:27 | 4:13:17 |
| M30-34 | 127 | 4:08:26 | 4:22:35 | 4:26:06 | 4:44:36 | 5:30:08 | 4:06:25 |
| M35-39 | 181 | 4:15:59 | 4:28:17 | 4:51:36 | 5:05:09 | 5:49:27 | 4:09:15 |
| M40-44 | 207 | 4:19:46 | 4:33:47 | 4:44:01 | 5:10:11 | 5:45:59 | 4:17:40 |
| M45-49 | 190 | 4:31:23 | 4:43:43 | 4:56:28 | 5:11:30 | 5:47:44 | 4:21:17 |
| M50-54 | 120 | 4:35:05 | 4:48:22 | 4:55:11 | 5:14:11 | 5:56:35 | 4:19:00 |
| M55-59 | 59 | 4:40:40 | 4:44:42 | 5:05:25 | 5:11:21 | 6:05:13 | 4:40:40 |
| M60-64 | 28 | 4:46:02 | 4:51:21 | 5:07:13 | 5:30:16 | 6:10:44 | 4:46:02 |
| M65-69 | 13 | 5:31:27 | 5:31:27 | 5:34:29 | 5:45:18 | 6:04:45 | 5:31:27 |
| M70-74 | 5 | 5:53:25 | 5:53:25 | 5:53:25 | 5:53:25 | 6:46:00 | 5:53:25 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 415 | 4:52:30 | 5:01:58 | 5:11:10 | 5:30:49 | 6:19:00 | 4:44:19 |
| F18-24 | 9 | 5:36:40 | 5:36:40 | 5:36:40 | 5:42:35 | 6:48:30 | 5:36:40 |
| F25-29 | 48 | 4:56:27 | 4:57:37 | 5:01:10 | 5:10:21 | 5:56:46 | 4:56:27 |
| F30-34 | 79 | 4:44:19 | 4:59:10 | 5:04:18 | 5:24:27 | 6:18:17 | 4:44:19 |
| F35-39 | 61 | 4:48:03 | 4:57:52 | 5:19:15 | 5:40:19 | 6:21:44 | 4:48:03 |
| F40-44 | 79 | 4:52:30 | 4:59:57 | 5:06:14 | 5:27:59 | 6:27:26 | 4:52:30 |
| F45-49 | 64 | 4:44:44 | 5:03:43 | 5:11:58 | 5:22:45 | 6:24:18 | 4:44:44 |
| F50-54 | 38 | 5:05:00 | 5:11:10 | 5:20:23 | 5:37:37 | 6:12:00 | 5:05:00 |
| F55-59 | 26 | 5:32:28 | 5:38:15 | 5:39:18 | 5:54:00 | 6:26:27 | 5:32:28 |
| F60-64 | 7 | 5:50:00 | 5:50:00 | 5:50:00 | 6:07:42 | 6:44:07 | 5:50:00 |
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.