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 | 511 | 4:26:07 | 4:49:37 | 5:01:58 | 5:22:06 | 6:16:35 | 4:04:46 |
| M18-24 | 23 | 4:36:16 | 4:46:15 | 4:52:40 | 5:21:23 | 6:26:46 | 4:36:16 |
| M25-29 | 58 | 4:09:33 | 4:29:36 | 4:53:23 | 5:16:51 | 6:15:29 | 4:09:33 |
| M30-34 | 66 | 4:04:46 | 4:49:13 | 4:50:18 | 5:13:20 | 6:10:56 | 4:04:46 |
| M35-39 | 68 | 4:11:01 | 4:48:30 | 4:53:45 | 5:34:36 | 6:16:01 | 4:11:01 |
| M40-44 | 68 | 4:36:05 | 4:46:24 | 5:10:05 | 5:18:21 | 5:55:39 | 4:36:05 |
| M45-49 | 76 | 4:42:58 | 4:57:44 | 5:10:37 | 5:32:53 | 6:01:46 | 4:42:58 |
| M50-54 | 78 | 4:26:07 | 4:40:04 | 4:57:51 | 5:10:00 | 6:21:15 | 4:26:07 |
| M55-59 | 40 | 4:48:14 | 4:59:35 | 5:11:04 | 5:23:36 | 6:50:50 | 4:48:14 |
| M60-64 | 26 | 5:22:06 | 5:26:41 | 5:32:23 | 6:27:46 | 6:59:15 | 5:22:06 |
| M65-69 | 7 | 5:51:02 | 5:51:02 | 5:51:02 | 6:19:37 | 7:06:00 | 5:51:02 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 119 | 4:49:07 | 5:10:48 | 5:22:50 | 5:46:53 | 6:37:16 | 4:43:08 |
| F25-29 | 6 | 5:18:28 | 5:18:28 | 5:18:28 | 5:28:01 | 5:35:06 | 5:18:28 |
| F30-34 | 17 | 5:20:03 | 5:20:03 | 5:22:50 | 5:42:00 | 6:22:09 | 5:20:03 |
| F35-39 | 7 | 5:00:08 | 5:00:08 | 5:00:08 | 6:20:47 | 6:44:22 | 5:00:08 |
| F40-44 | 21 | 4:49:07 | 5:06:50 | 5:07:43 | 5:26:42 | 6:16:44 | 4:49:07 |
| F45-49 | 23 | 5:19:24 | 5:30:15 | 5:53:10 | 5:56:20 | 6:25:59 | 5:19:24 |
| F50-54 | 17 | 4:43:08 | 4:43:08 | 5:23:43 | 5:46:53 | 6:28:23 | 4:43:08 |
| F55-59 | 14 | 5:10:48 | 5:10:48 | 5:40:09 | 6:21:08 | 6:48:43 | 5:10:48 |
| F60-64 | 7 | 6:03:58 | 6:03:58 | 6:03:58 | 6:35:15 | 6:45:30 | 6:03:58 |
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.