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 | 2,231 | 4:31:47 | 4:49:56 | 5:02:21 | 5:19:09 | 5:56:40 | 4:12:37 |
| M18-24 | 96 | 4:24:47 | 4:34:08 | 4:49:02 | 5:13:22 | 5:59:33 | 4:24:47 |
| M25-29 | 324 | 4:32:38 | 4:53:12 | 5:03:46 | 5:17:33 | 5:47:54 | 4:13:23 |
| M30-34 | 444 | 4:27:27 | 4:41:13 | 4:55:43 | 5:14:21 | 5:49:17 | 4:12:37 |
| M35-39 | 364 | 4:30:50 | 4:50:47 | 5:04:43 | 5:15:33 | 5:55:27 | 4:15:31 |
| M40-44 | 282 | 4:25:07 | 4:44:05 | 4:58:02 | 5:12:36 | 5:50:09 | 4:23:33 |
| M45-49 | 221 | 4:41:26 | 4:51:59 | 5:01:10 | 5:16:59 | 5:52:50 | 4:31:58 |
| M50-54 | 210 | 4:38:09 | 4:53:30 | 5:08:58 | 5:30:24 | 6:06:28 | 4:32:38 |
| M55-59 | 170 | 4:55:07 | 5:09:38 | 5:17:43 | 5:37:06 | 6:11:05 | 4:54:41 |
| M60-64 | 85 | 4:55:23 | 5:21:46 | 5:32:37 | 5:49:16 | 6:26:52 | 4:55:23 |
| M65-69 | 29 | 5:21:01 | 5:28:59 | 5:31:40 | 5:53:05 | 6:35:18 | 5:21:01 |
| M70-74 | 6 | 5:39:12 | 5:39:12 | 5:39:12 | 6:40:42 | 7:02:53 | 5:39:12 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 482 | 4:57:42 | 5:24:09 | 5:32:57 | 5:48:58 | 6:30:17 | 4:41:43 |
| F18-24 | 35 | 5:11:18 | 5:26:45 | 5:40:54 | 5:46:50 | 6:24:32 | 5:11:18 |
| F25-29 | 108 | 4:55:57 | 5:11:42 | 5:26:43 | 5:43:54 | 6:26:28 | 4:50:31 |
| F30-34 | 102 | 4:50:51 | 5:12:46 | 5:32:00 | 5:44:10 | 6:19:33 | 4:41:43 |
| F35-39 | 57 | 4:57:42 | 5:15:54 | 5:29:12 | 5:48:57 | 6:20:17 | 4:57:42 |
| F40-44 | 49 | 5:12:46 | 5:24:56 | 5:33:49 | 5:48:46 | 6:39:34 | 5:12:46 |
| F45-49 | 48 | 5:15:21 | 5:27:26 | 5:29:31 | 5:39:49 | 6:23:02 | 5:15:21 |
| F50-54 | 36 | 5:12:27 | 5:22:32 | 5:49:32 | 6:07:26 | 6:45:04 | 5:12:27 |
| F55-59 | 26 | 5:46:06 | 6:01:20 | 6:07:28 | 6:20:04 | 6:40:25 | 5:46:06 |
| F60-64 | 16 | 6:18:42 | 6:18:42 | 6:20:27 | 6:32:15 | 6:54:52 | 6:18:42 |
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.