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 | 853 | 3:59:50 | 4:28:29 | 4:45:22 | 5:03:34 | 5:40:29 | 3:45:35 |
| MPRO | 15 | 3:45:35 | 3:45:35 | 3:51:41 | 3:53:01 | 3:58:07 | 3:45:35 |
| M18-24 | 31 | 4:05:53 | 4:16:04 | 4:45:48 | 5:03:34 | 5:42:22 | 4:05:53 |
| M25-29 | 84 | 4:11:19 | 4:24:26 | 4:31:23 | 4:48:31 | 5:40:33 | 4:11:19 |
| M30-34 | 138 | 4:10:04 | 4:34:00 | 4:47:07 | 5:06:06 | 5:37:50 | 4:10:01 |
| M35-39 | 212 | 4:15:16 | 4:34:11 | 4:51:29 | 5:08:44 | 5:38:25 | 4:10:33 |
| M40-44 | 172 | 4:08:59 | 4:41:24 | 4:51:06 | 5:00:14 | 5:36:03 | 4:01:48 |
| M45-49 | 103 | 4:20:45 | 4:43:24 | 4:48:47 | 5:11:41 | 5:39:58 | 4:19:19 |
| M50-54 | 46 | 4:37:07 | 4:38:24 | 4:58:27 | 5:07:11 | 5:48:49 | 4:37:07 |
| M55-59 | 29 | 4:41:32 | 4:47:19 | 4:51:24 | 5:11:44 | 5:57:57 | 4:41:32 |
| M60-64 | 17 | 5:32:37 | 5:32:37 | 5:32:42 | 5:46:32 | 6:26:08 | 5:32:37 |
| M65-69 | 5 | 5:16:41 | 5:16:41 | 5:16:41 | 5:16:41 | 7:41:12 | 5:16:41 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 463 | 4:27:16 | 4:59:41 | 5:14:12 | 5:32:57 | 6:21:55 | 4:10:31 |
| FPRO | 10 | 4:10:31 | 4:10:31 | 4:10:31 | 4:12:42 | 4:27:16 | 4:10:31 |
| F18-24 | 19 | 4:46:31 | 4:46:31 | 4:59:41 | 5:13:49 | 6:11:54 | 4:46:31 |
| F25-29 | 72 | 4:36:57 | 5:15:39 | 5:21:57 | 5:47:59 | 6:33:27 | 4:36:57 |
| F30-34 | 97 | 4:41:28 | 4:59:13 | 5:16:00 | 5:37:24 | 6:17:16 | 4:41:28 |
| F35-39 | 91 | 4:50:26 | 5:09:11 | 5:23:44 | 5:40:40 | 6:22:46 | 4:50:26 |
| F40-44 | 73 | 4:57:20 | 5:04:47 | 5:12:35 | 5:31:10 | 6:20:54 | 4:57:20 |
| F45-49 | 54 | 4:52:53 | 5:05:56 | 5:15:35 | 5:31:23 | 6:06:56 | 4:52:53 |
| F50-54 | 26 | 4:50:06 | 5:00:54 | 5:26:31 | 5:44:34 | 6:31:33 | 4:50:06 |
| F55-59 | 11 | 5:28:05 | 5:28:05 | 5:36:06 | 5:43:46 | 6:36:03 | 5:28:05 |
| F60-64 | 9 | 5:35:02 | 5:35:02 | 5:35:02 | 5:45:58 | 7:35:09 | 5:35:02 |
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.