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 | 1,554 | 4:15:08 | 4:40:01 | 4:51:40 | 5:09:28 | 5:45:09 | 3:52:59 |
| MPRO | 17 | 3:52:59 | 3:52:59 | 3:53:29 | 3:55:11 | 4:02:40 | 3:52:59 |
| M18-24 | 58 | 4:06:22 | 4:38:05 | 4:42:05 | 5:02:36 | 5:37:55 | 4:06:22 |
| M25-29 | 171 | 4:20:56 | 4:37:54 | 4:48:10 | 4:58:37 | 5:36:21 | 4:16:26 |
| M30-34 | 199 | 4:21:56 | 4:38:18 | 4:44:29 | 5:05:18 | 5:40:26 | 4:16:35 |
| M35-39 | 245 | 4:20:26 | 4:39:11 | 4:49:09 | 5:08:23 | 5:36:10 | 4:16:31 |
| M40-44 | 264 | 4:28:31 | 4:40:21 | 4:57:01 | 5:11:02 | 5:47:07 | 4:20:25 |
| M45-49 | 269 | 4:30:08 | 4:49:33 | 4:57:49 | 5:16:25 | 5:46:52 | 4:25:42 |
| M50-54 | 198 | 4:36:46 | 4:50:05 | 4:59:50 | 5:13:37 | 5:47:52 | 4:32:09 |
| M55-59 | 97 | 4:42:55 | 4:57:55 | 5:12:30 | 5:27:52 | 5:59:34 | 4:42:55 |
| M60-64 | 21 | 5:06:54 | 5:40:44 | 5:44:59 | 5:53:56 | 6:14:19 | 5:06:54 |
| M65-69 | 6 | 5:49:52 | 5:49:52 | 5:49:52 | 6:16:22 | 6:48:03 | 5:49:52 |
| M70-74 | 9 | 6:09:55 | 6:09:55 | 6:09:55 | 6:13:04 | 7:03:09 | 6:09:55 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 559 | 4:47:05 | 5:07:42 | 5:24:42 | 5:43:06 | 6:16:10 | 4:25:51 |
| FPRO | 9 | 4:25:51 | 4:25:51 | 4:25:51 | 4:26:12 | 4:33:13 | 4:25:51 |
| F18-24 | 28 | 5:02:05 | 5:12:15 | 5:17:41 | 5:43:29 | 6:26:08 | 5:02:05 |
| F25-29 | 80 | 4:48:52 | 4:59:23 | 5:07:42 | 5:37:49 | 6:10:20 | 4:48:52 |
| F30-34 | 72 | 4:59:36 | 5:28:11 | 5:31:38 | 5:47:08 | 6:13:29 | 4:59:36 |
| F35-39 | 106 | 4:51:25 | 5:15:09 | 5:24:35 | 5:37:34 | 6:11:48 | 4:48:19 |
| F40-44 | 113 | 4:50:24 | 5:10:22 | 5:25:36 | 5:45:05 | 6:19:08 | 4:48:02 |
| F45-49 | 84 | 5:10:54 | 5:19:29 | 5:29:52 | 5:45:50 | 6:14:28 | 5:10:54 |
| F50-54 | 44 | 5:25:13 | 5:35:00 | 5:47:07 | 6:00:11 | 6:23:32 | 5:25:13 |
| F55-59 | 21 | 5:36:38 | 5:47:31 | 5:54:49 | 6:13:11 | 6:35:30 | 5:36:38 |
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.