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 | 603 | 4:26:00 | 4:45:32 | 4:56:12 | 5:09:46 | 5:39:59 | 4:12:27 |
| M18-24 | 9 | 4:19:59 | 4:19:59 | 4:19:59 | 5:03:59 | 5:15:09 | 4:19:59 |
| M25-29 | 54 | 4:15:22 | 4:26:12 | 4:41:50 | 4:58:28 | 5:23:19 | 4:15:22 |
| M30-34 | 93 | 4:23:46 | 4:37:17 | 4:45:32 | 5:02:30 | 5:29:08 | 4:23:46 |
| M35-39 | 118 | 4:27:39 | 4:50:09 | 5:01:37 | 5:08:56 | 5:39:57 | 4:12:27 |
| M40-44 | 130 | 4:38:39 | 4:48:31 | 4:56:12 | 5:12:28 | 5:39:21 | 4:35:08 |
| M45-49 | 94 | 4:23:38 | 4:53:07 | 5:06:43 | 5:19:10 | 5:44:35 | 4:23:38 |
| M50-54 | 65 | 4:38:48 | 4:52:43 | 5:02:13 | 5:18:33 | 5:57:36 | 4:38:48 |
| M55-59 | 25 | 5:07:26 | 5:08:26 | 5:08:55 | 5:39:14 | 6:03:59 | 5:07:26 |
| M60-64 | 8 | 5:30:19 | 5:30:19 | 5:30:19 | 5:36:12 | 6:21:53 | 5:30:19 |
| M65-69 | 5 | 5:35:07 | 5:35:07 | 5:35:07 | 5:35:07 | 6:28:59 | 5:35:07 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 188 | 4:38:51 | 4:59:12 | 5:21:28 | 5:35:09 | 6:10:13 | 4:33:19 |
| F18-24 | 6 | 4:59:27 | 4:59:27 | 4:59:27 | 5:17:54 | 5:44:14 | 4:59:27 |
| F25-29 | 20 | 4:33:19 | 4:33:19 | 4:51:13 | 5:03:12 | 5:33:00 | 4:33:19 |
| F30-34 | 32 | 4:43:53 | 4:53:33 | 5:22:28 | 5:33:26 | 6:10:13 | 4:43:53 |
| F35-39 | 52 | 4:38:51 | 4:44:00 | 5:24:10 | 5:48:29 | 6:13:58 | 4:38:51 |
| F40-44 | 36 | 4:49:29 | 4:59:12 | 5:23:41 | 5:35:09 | 5:58:24 | 4:49:29 |
| F45-49 | 23 | 5:22:53 | 5:25:34 | 5:26:32 | 5:51:59 | 6:41:06 | 5:22:53 |
| F50-54 | 12 | 5:47:54 | 5:47:54 | 5:56:31 | 6:11:32 | 6:17:17 | 5:47:54 |
| F55-59 | 6 | 6:11:33 | 6:11:33 | 6:11:33 | 6:25:56 | 6:27:35 | 6:11:33 |
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.