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 | 936 | 4:15:26 | 4:37:39 | 4:48:29 | 5:03:54 | 5:39:57 | 3:49:25 |
| MPRO | 8 | 3:49:25 | 3:49:25 | 3:49:25 | 3:51:41 | 3:56:53 | 3:49:25 |
| M18-24 | 19 | 4:13:56 | 4:13:56 | 4:23:34 | 4:47:11 | 5:15:48 | 4:13:56 |
| M25-29 | 88 | 4:05:49 | 4:33:44 | 4:42:03 | 4:54:31 | 5:32:18 | 4:05:49 |
| M30-34 | 156 | 4:26:00 | 4:40:36 | 4:47:40 | 5:02:09 | 5:35:59 | 4:20:45 |
| M35-39 | 215 | 4:25:28 | 4:33:13 | 4:46:24 | 4:58:31 | 5:31:14 | 4:17:49 |
| M40-44 | 236 | 4:30:38 | 4:44:15 | 4:55:57 | 5:07:07 | 5:44:11 | 4:22:51 |
| M45-49 | 106 | 4:35:04 | 4:49:58 | 4:52:00 | 5:06:46 | 5:49:30 | 4:33:44 |
| M50-54 | 63 | 4:27:29 | 4:45:16 | 4:55:40 | 5:07:17 | 5:46:02 | 4:27:29 |
| M55-59 | 32 | 5:04:06 | 5:09:04 | 5:15:19 | 5:38:18 | 6:10:45 | 5:04:06 |
| M60-64 | 12 | 5:27:52 | 5:27:52 | 5:45:36 | 6:25:58 | 6:36:05 | 5:27:52 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 236 | 4:25:49 | 4:42:43 | 5:02:56 | 5:22:25 | 6:07:26 | 4:16:13 |
| FPRO | 7 | 4:16:13 | 4:16:13 | 4:16:13 | 4:19:44 | 4:27:24 | 4:16:13 |
| F18-24 | 10 | 4:38:21 | 4:38:21 | 4:38:21 | 4:56:51 | 6:01:10 | 4:38:21 |
| F25-29 | 26 | 4:39:54 | 5:01:14 | 5:19:00 | 5:22:25 | 5:49:14 | 4:39:54 |
| F30-34 | 48 | 4:34:49 | 4:51:05 | 5:07:10 | 5:20:21 | 5:59:32 | 4:34:49 |
| F35-39 | 48 | 4:42:43 | 4:47:20 | 5:06:27 | 5:18:57 | 6:10:23 | 4:42:43 |
| F40-44 | 47 | 4:43:49 | 5:02:56 | 5:03:34 | 5:23:49 | 6:26:04 | 4:43:49 |
| F45-49 | 28 | 4:57:50 | 4:59:56 | 5:16:04 | 5:31:33 | 6:02:09 | 4:57:50 |
| F50-54 | 13 | 5:36:08 | 5:36:08 | 5:41:23 | 5:44:36 | 6:22:39 | 5:36:08 |
| F55-59 | 7 | 5:24:39 | 5:24:39 | 5:24:39 | 5:42:33 | 6:00:36 | 5:24:39 |
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.