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 | 896 | 4:14:28 | 4:40:23 | 5:01:40 | 5:23:28 | 6:05:03 | 3:56:09 |
| M18-24 | 17 | 3:58:17 | 3:58:17 | 4:12:26 | 4:39:08 | 6:22:12 | 3:58:17 |
| M25-29 | 76 | 3:56:09 | 4:26:08 | 4:56:22 | 5:19:52 | 6:10:32 | 3:56:09 |
| M30-34 | 126 | 4:18:49 | 4:34:34 | 4:46:23 | 5:29:42 | 6:06:43 | 4:15:05 |
| M35-39 | 173 | 4:06:55 | 4:40:23 | 5:06:37 | 5:24:06 | 6:02:29 | 3:59:06 |
| M40-44 | 197 | 4:17:52 | 4:39:29 | 5:03:57 | 5:20:39 | 6:12:41 | 4:17:17 |
| M45-49 | 166 | 4:27:58 | 4:50:57 | 5:05:08 | 5:23:36 | 5:59:58 | 4:18:00 |
| M50-54 | 72 | 4:00:38 | 4:39:40 | 4:51:39 | 5:20:59 | 5:53:05 | 4:00:38 |
| M55-59 | 37 | 4:36:22 | 4:55:55 | 5:07:18 | 5:36:48 | 6:11:40 | 4:36:22 |
| M60-64 | 16 | 4:36:34 | 4:36:34 | 4:59:38 | 5:29:20 | 6:02:12 | 4:36:34 |
| M65-69 | 13 | 5:21:37 | 5:21:37 | 5:37:48 | 5:47:26 | 6:13:24 | 5:21:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 141 | 4:27:59 | 4:49:49 | 5:07:51 | 5:22:33 | 6:07:10 | 4:23:07 |
| F25-29 | 8 | 4:34:24 | 4:34:24 | 4:34:24 | 4:46:57 | 4:50:07 | 4:34:24 |
| F30-34 | 21 | 4:23:07 | 4:48:47 | 5:07:29 | 5:16:57 | 5:36:35 | 4:23:07 |
| F35-39 | 25 | 4:49:49 | 5:14:12 | 5:41:43 | 5:50:16 | 6:40:49 | 4:49:49 |
| F40-44 | 31 | 4:42:59 | 4:58:33 | 5:15:36 | 5:22:35 | 6:00:57 | 4:42:59 |
| F45-49 | 25 | 4:53:27 | 4:58:21 | 5:07:51 | 5:12:12 | 6:07:07 | 4:53:27 |
| F50-54 | 11 | 5:28:01 | 5:28:01 | 5:48:02 | 5:48:33 | 5:53:56 | 5:28:01 |
| F55-59 | 11 | 5:11:32 | 5:11:32 | 5:21:08 | 6:06:29 | 6:43:45 | 5:11:32 |
| F60-64 | 6 | 5:19:06 | 5:19:06 | 5:19:06 | 5:52:22 | 6:19:55 | 5:19:06 |
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.