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 | 892 | 4:25:07 | 4:42:04 | 4:53:28 | 5:12:11 | 5:54:53 | 4:00:52 |
| MPRO | 6 | 4:00:52 | 4:00:52 | 4:00:52 | 4:01:27 | 4:21:24 | 4:00:52 |
| M18-24 | 51 | 4:20:39 | 4:32:51 | 4:45:34 | 4:55:31 | 5:55:13 | 4:20:39 |
| M25-29 | 116 | 4:29:30 | 4:37:29 | 4:45:00 | 5:02:28 | 5:49:20 | 4:28:54 |
| M30-34 | 150 | 4:25:07 | 4:41:06 | 4:49:06 | 5:01:50 | 5:48:59 | 4:23:09 |
| M35-39 | 169 | 4:33:21 | 4:42:48 | 4:57:49 | 5:09:14 | 5:49:25 | 4:19:53 |
| M40-44 | 153 | 4:26:12 | 4:36:58 | 4:52:59 | 5:14:03 | 5:48:35 | 4:20:14 |
| M45-49 | 112 | 4:44:29 | 4:53:28 | 5:09:04 | 5:26:21 | 6:01:45 | 4:42:04 |
| M50-54 | 83 | 4:45:52 | 5:05:54 | 5:18:24 | 5:36:49 | 6:12:52 | 4:45:52 |
| M55-59 | 30 | 5:02:52 | 5:04:45 | 5:07:10 | 5:28:07 | 6:13:40 | 5:02:52 |
| M60-64 | 16 | 5:10:52 | 5:10:52 | 5:14:51 | 5:53:44 | 6:07:12 | 5:10:52 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 400 | 4:40:56 | 5:03:36 | 5:19:53 | 5:41:26 | 6:18:06 | 4:27:08 |
| FPRO | 5 | 4:27:08 | 4:27:08 | 4:27:08 | 4:27:08 | 4:40:39 | 4:27:08 |
| F18-24 | 24 | 4:52:28 | 4:57:11 | 5:17:25 | 5:38:40 | 6:24:31 | 4:52:28 |
| F25-29 | 68 | 4:53:15 | 4:59:20 | 5:17:29 | 5:34:30 | 6:17:08 | 4:53:15 |
| F30-34 | 83 | 4:53:55 | 5:03:36 | 5:18:16 | 5:37:47 | 6:10:36 | 4:53:55 |
| F35-39 | 69 | 4:40:56 | 5:06:18 | 5:22:06 | 5:44:34 | 6:24:01 | 4:40:56 |
| F40-44 | 62 | 4:58:09 | 5:19:44 | 5:22:33 | 5:39:55 | 6:10:59 | 4:58:09 |
| F45-49 | 53 | 5:11:22 | 5:13:37 | 5:35:23 | 5:47:49 | 6:23:35 | 5:11:22 |
| F50-54 | 22 | 5:28:04 | 5:31:04 | 5:37:24 | 5:52:23 | 6:34:30 | 5:28:04 |
| F55-59 | 9 | 5:51:25 | 5:51:25 | 5:51:25 | 6:00:45 | 7:05:47 | 5:51:25 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.