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 | 958 | 4:36:17 | 5:04:11 | 5:22:00 | 5:43:41 | 6:22:59 | 4:04:02 |
| M18-24 | 6 | 5:35:36 | 5:35:36 | 5:35:36 | 5:43:12 | 5:46:17 | 5:35:36 |
| M25-29 | 30 | 4:28:06 | 4:38:43 | 5:09:34 | 5:32:53 | 6:10:47 | 4:28:06 |
| M30-34 | 83 | 4:04:02 | 4:47:24 | 5:15:07 | 5:33:59 | 6:15:29 | 4:04:02 |
| M35-39 | 128 | 4:36:17 | 4:55:36 | 5:12:47 | 5:36:54 | 6:15:08 | 4:24:15 |
| M40-44 | 207 | 4:37:04 | 5:01:50 | 5:13:14 | 5:36:46 | 6:12:30 | 4:29:19 |
| M45-49 | 208 | 4:44:53 | 5:13:48 | 5:26:15 | 5:48:50 | 6:18:52 | 4:38:21 |
| M50-54 | 160 | 4:48:56 | 5:11:36 | 5:26:03 | 5:52:52 | 6:34:46 | 4:16:43 |
| M55-59 | 77 | 4:57:58 | 5:15:56 | 5:49:50 | 5:56:53 | 6:31:08 | 4:57:58 |
| M60-64 | 39 | 4:59:07 | 5:19:38 | 5:50:47 | 6:11:52 | 6:53:53 | 4:59:07 |
| M65-69 | 15 | 5:26:01 | 5:26:01 | 5:35:37 | 6:00:27 | 7:10:35 | 5:26:01 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 110 | 5:19:14 | 5:29:23 | 5:40:14 | 5:54:43 | 6:36:02 | 5:10:18 |
| F30-34 | 13 | 5:26:19 | 5:26:19 | 5:40:14 | 5:54:43 | 6:14:23 | 5:26:19 |
| F35-39 | 21 | 5:32:15 | 5:38:47 | 5:38:58 | 5:53:01 | 6:30:59 | 5:32:15 |
| F40-44 | 17 | 5:31:08 | 5:31:08 | 5:53:25 | 6:03:39 | 6:52:35 | 5:31:08 |
| F45-49 | 26 | 5:10:18 | 5:19:14 | 5:22:11 | 5:48:42 | 6:36:02 | 5:10:18 |
| F50-54 | 19 | 5:49:22 | 5:49:22 | 5:49:48 | 6:14:23 | 6:59:24 | 5:49:22 |
| F55-59 | 7 | 5:50:00 | 5:50:00 | 5:50:00 | 6:00:48 | 6:29:38 | 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.