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 | 1,171 | 4:19:56 | 4:46:55 | 5:01:57 | 5:19:40 | 5:56:54 | 4:02:54 |
| M18-24 | 93 | 4:14:07 | 4:59:40 | 5:08:00 | 5:20:19 | 5:55:26 | 4:14:07 |
| M25-29 | 172 | 4:08:15 | 4:41:30 | 4:58:24 | 5:17:25 | 5:53:13 | 4:02:54 |
| M30-34 | 220 | 4:19:56 | 4:35:15 | 4:50:17 | 5:08:56 | 5:47:16 | 4:07:21 |
| M35-39 | 203 | 4:19:44 | 4:41:21 | 4:53:09 | 5:18:07 | 5:54:54 | 4:13:36 |
| M40-44 | 163 | 4:31:59 | 4:49:48 | 5:00:26 | 5:18:02 | 5:51:58 | 4:29:10 |
| M45-49 | 108 | 4:33:22 | 4:42:56 | 5:02:33 | 5:18:56 | 6:00:20 | 4:07:37 |
| M50-54 | 110 | 4:51:36 | 5:02:36 | 5:16:30 | 5:40:50 | 6:11:27 | 4:25:41 |
| M55-59 | 67 | 4:59:33 | 5:22:03 | 5:25:38 | 5:37:36 | 6:12:51 | 4:59:33 |
| M60-64 | 27 | 5:04:24 | 5:23:14 | 5:29:20 | 5:40:09 | 6:11:45 | 5:04:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 235 | 4:44:37 | 5:08:56 | 5:30:40 | 5:48:12 | 6:31:07 | 4:42:03 |
| F18-24 | 25 | 5:33:38 | 5:34:24 | 5:38:17 | 5:54:35 | 6:53:48 | 5:33:38 |
| F25-29 | 39 | 4:44:16 | 5:00:31 | 5:02:20 | 5:38:39 | 6:27:01 | 4:44:16 |
| F30-34 | 40 | 4:42:03 | 4:44:37 | 4:59:35 | 5:17:31 | 6:14:47 | 4:42:03 |
| F35-39 | 26 | 5:11:39 | 5:16:47 | 5:32:00 | 5:41:13 | 6:12:38 | 5:11:39 |
| F40-44 | 27 | 5:26:26 | 5:32:25 | 5:33:45 | 5:51:34 | 6:26:41 | 5:26:26 |
| F45-49 | 30 | 5:25:48 | 5:33:00 | 5:40:05 | 6:05:32 | 6:47:14 | 5:25:48 |
| F50-54 | 24 | 5:30:40 | 5:33:23 | 5:39:30 | 5:56:03 | 6:47:20 | 5:30:40 |
| F55-59 | 19 | 5:25:21 | 5:25:21 | 5:38:01 | 5:45:54 | 6:27:05 | 5:25:21 |
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.