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 | 1,303 | 4:20:38 | 4:43:25 | 4:58:59 | 5:17:22 | 5:58:47 | 4:08:27 |
| M18-24 | 139 | 4:12:27 | 4:32:22 | 4:50:08 | 5:12:25 | 5:54:08 | 4:08:27 |
| M25-29 | 210 | 4:10:21 | 4:41:58 | 4:54:11 | 5:11:29 | 5:51:29 | 4:09:09 |
| M30-34 | 189 | 4:22:51 | 4:57:20 | 5:06:58 | 5:25:52 | 6:08:14 | 4:18:36 |
| M35-39 | 197 | 4:16:56 | 4:40:04 | 4:57:41 | 5:17:23 | 5:53:01 | 4:10:13 |
| M40-44 | 162 | 4:28:32 | 4:45:24 | 4:58:58 | 5:14:47 | 5:52:32 | 4:12:53 |
| M45-49 | 119 | 4:21:36 | 4:35:14 | 4:55:30 | 5:08:02 | 5:49:36 | 4:20:45 |
| M50-54 | 76 | 4:20:38 | 4:40:17 | 4:57:23 | 5:10:15 | 5:59:47 | 4:20:38 |
| M55-59 | 98 | 4:16:16 | 4:43:42 | 4:57:31 | 5:15:11 | 6:01:38 | 4:16:16 |
| M60-64 | 60 | 4:49:31 | 5:09:00 | 5:20:13 | 5:35:58 | 6:16:14 | 4:49:31 |
| M65-69 | 32 | 5:20:29 | 5:20:48 | 5:40:57 | 5:44:28 | 6:44:17 | 5:20:29 |
| M70-74 | 17 | 5:51:33 | 5:51:33 | 6:08:02 | 6:25:16 | 6:43:39 | 5:51:33 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 626 | 4:41:22 | 5:13:06 | 5:24:28 | 5:44:07 | 6:30:35 | 4:26:24 |
| F18-24 | 51 | 5:04:44 | 5:27:24 | 5:35:35 | 5:51:51 | 6:24:32 | 5:04:44 |
| F25-29 | 115 | 4:39:38 | 5:20:24 | 5:28:04 | 5:47:41 | 6:26:40 | 4:26:24 |
| F30-34 | 97 | 4:34:53 | 4:57:01 | 5:14:47 | 5:32:18 | 6:23:26 | 4:34:53 |
| F35-39 | 74 | 4:32:37 | 5:03:16 | 5:18:14 | 5:31:53 | 6:08:55 | 4:32:37 |
| F40-44 | 83 | 4:37:30 | 4:58:40 | 5:13:30 | 5:42:07 | 6:31:31 | 4:37:30 |
| F45-49 | 74 | 4:56:53 | 5:21:16 | 5:27:46 | 5:33:29 | 6:36:47 | 4:56:53 |
| F50-54 | 52 | 4:54:34 | 5:05:40 | 5:23:05 | 5:41:52 | 6:45:03 | 4:54:34 |
| F55-59 | 33 | 4:41:41 | 4:57:02 | 5:51:23 | 6:08:53 | 6:41:16 | 4:41:41 |
| F60-64 | 29 | 5:09:26 | 5:45:37 | 5:56:56 | 6:25:09 | 7:08:13 | 5:09:26 |
| F65-69 | 15 | 5:41:49 | 5:41:49 | 5:47:33 | 6:05:57 | 6:56:42 | 5:41:49 |
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.