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 | 724 | 3:46:07 | 4:27:49 | 4:45:49 | 5:06:34 | 5:40:48 | 3:37:23 |
| MPRO | 24 | 3:37:23 | 3:38:03 | 3:40:11 | 3:42:54 | 3:49:56 | 3:37:23 |
| M18-24 | 52 | 4:29:40 | 4:36:01 | 4:48:03 | 5:05:40 | 5:37:21 | 4:29:40 |
| M25-29 | 126 | 4:27:36 | 4:44:24 | 4:57:22 | 5:15:49 | 5:44:16 | 4:09:01 |
| M30-34 | 111 | 4:10:23 | 4:38:01 | 4:58:57 | 5:11:48 | 5:38:38 | 4:06:31 |
| M35-39 | 105 | 4:18:21 | 4:35:06 | 4:40:42 | 5:04:36 | 5:30:04 | 4:13:46 |
| M40-44 | 94 | 4:29:32 | 4:43:54 | 4:56:35 | 5:09:39 | 5:41:39 | 4:29:32 |
| M45-49 | 73 | 4:23:56 | 4:37:15 | 4:51:14 | 5:04:17 | 5:37:24 | 4:23:56 |
| M50-54 | 66 | 4:37:52 | 4:50:38 | 5:00:10 | 5:26:00 | 5:54:27 | 4:37:52 |
| M55-59 | 46 | 4:24:11 | 4:45:01 | 4:59:54 | 5:09:37 | 6:11:51 | 4:24:11 |
| M60-64 | 22 | 5:18:50 | 5:21:45 | 5:23:38 | 5:30:49 | 6:04:12 | 5:18:50 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 225 | 4:15:26 | 4:51:30 | 5:11:50 | 5:30:09 | 6:08:07 | 4:11:18 |
| FPRO | 8 | 4:11:18 | 4:11:18 | 4:11:18 | 4:13:44 | 4:17:10 | 4:11:18 |
| F18-24 | 16 | 5:06:13 | 5:06:13 | 5:18:48 | 5:29:39 | 5:42:17 | 5:06:13 |
| F25-29 | 41 | 4:38:15 | 5:04:43 | 5:14:32 | 5:24:10 | 6:01:39 | 4:38:15 |
| F30-34 | 47 | 4:51:30 | 5:11:50 | 5:27:01 | 5:34:47 | 6:10:48 | 4:51:30 |
| F35-39 | 23 | 4:36:58 | 4:46:37 | 4:57:51 | 5:14:42 | 5:50:02 | 4:36:58 |
| F40-44 | 24 | 5:03:09 | 5:21:17 | 5:23:34 | 5:41:47 | 5:54:20 | 5:03:09 |
| F45-49 | 19 | 4:54:08 | 4:54:08 | 5:36:46 | 5:45:50 | 6:13:25 | 4:54:08 |
| F50-54 | 28 | 5:18:21 | 5:43:12 | 5:47:34 | 5:54:53 | 6:26:45 | 5:18:21 |
| F55-59 | 12 | 5:05:31 | 5:05:31 | 5:48:07 | 6:03:50 | 7:04:22 | 5:05:31 |
| F60-64 | 5 | 5:52:40 | 5:52:40 | 5:52:40 | 5:52:40 | 7:11:53 | 5:52:40 |
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.