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 | 1,052 | 4:08:46 | 4:27:13 | 4:39:08 | 4:54:51 | 5:31:21 | 3:51:11 |
| MPRO | 13 | 3:51:11 | 3:51:11 | 3:51:27 | 3:56:50 | 4:03:01 | 3:51:11 |
| M18-24 | 28 | 4:09:35 | 4:28:36 | 4:41:32 | 4:46:30 | 5:08:12 | 4:09:35 |
| M25-29 | 76 | 4:12:04 | 4:22:40 | 4:31:31 | 4:52:15 | 5:27:39 | 4:12:04 |
| M30-34 | 130 | 4:08:46 | 4:20:52 | 4:27:20 | 4:42:32 | 5:16:44 | 4:06:31 |
| M35-39 | 207 | 4:17:05 | 4:28:22 | 4:34:15 | 4:50:40 | 5:27:26 | 4:12:00 |
| M40-44 | 236 | 4:19:34 | 4:32:04 | 4:43:14 | 4:55:49 | 5:27:03 | 4:10:52 |
| M45-49 | 181 | 4:22:56 | 4:34:40 | 4:43:38 | 5:00:14 | 5:31:21 | 4:18:07 |
| M50-54 | 87 | 4:21:41 | 4:46:54 | 4:55:56 | 5:16:20 | 5:54:49 | 4:21:41 |
| M55-59 | 43 | 4:44:37 | 4:56:39 | 5:01:53 | 5:05:38 | 5:58:06 | 4:44:37 |
| M60-64 | 30 | 4:59:09 | 5:02:01 | 5:06:49 | 5:16:36 | 5:59:02 | 4:59:09 |
| M65-69 | 13 | 5:26:41 | 5:26:41 | 5:55:50 | 6:01:18 | 6:17:07 | 5:26:41 |
| M70-74 | 5 | 5:25:53 | 5:25:53 | 5:25:53 | 5:25:53 | 6:45:01 | 5:25:53 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 432 | 4:28:18 | 4:46:08 | 4:57:27 | 5:17:13 | 5:55:15 | 4:13:27 |
| FPRO | 13 | 4:13:27 | 4:13:27 | 4:17:00 | 4:24:49 | 4:29:51 | 4:13:27 |
| F18-24 | 13 | 4:41:20 | 4:41:20 | 5:19:09 | 5:25:33 | 6:07:39 | 4:41:20 |
| F25-29 | 46 | 4:43:09 | 4:44:42 | 4:50:22 | 5:06:46 | 5:39:18 | 4:43:09 |
| F30-34 | 76 | 4:39:58 | 4:46:54 | 5:00:00 | 5:19:23 | 5:47:01 | 4:39:58 |
| F35-39 | 70 | 4:45:29 | 4:51:49 | 5:02:42 | 5:16:55 | 5:55:27 | 4:45:29 |
| F40-44 | 87 | 4:35:13 | 4:51:01 | 4:59:09 | 5:21:52 | 5:56:52 | 4:35:13 |
| F45-49 | 65 | 4:53:09 | 5:07:31 | 5:15:46 | 5:27:01 | 5:57:40 | 4:53:09 |
| F50-54 | 37 | 4:49:59 | 5:15:26 | 5:16:50 | 5:33:41 | 6:02:49 | 4:49:59 |
| F55-59 | 13 | 5:20:39 | 5:20:39 | 5:32:10 | 5:32:51 | 6:19:05 | 5:20:39 |
| F60-64 | 8 | 5:35:25 | 5:35:25 | 5:35:25 | 5:55:10 | 6:37:16 | 5:35:25 |
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.