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 | 866 | 4:10:06 | 4:35:02 | 4:51:30 | 5:09:49 | 5:47:46 | 3:57:17 |
| MPRO | 14 | 3:57:17 | 3:57:17 | 4:00:42 | 4:04:01 | 4:10:06 | 3:57:17 |
| M18-24 | 46 | 4:30:38 | 4:40:48 | 4:45:51 | 5:07:22 | 5:30:19 | 4:30:38 |
| M25-29 | 88 | 4:18:22 | 4:32:38 | 4:41:47 | 5:09:05 | 5:45:53 | 4:18:22 |
| M30-34 | 142 | 4:15:58 | 4:44:04 | 4:54:09 | 5:04:47 | 5:45:35 | 4:09:17 |
| M35-39 | 160 | 4:20:21 | 4:34:04 | 4:50:35 | 5:11:48 | 5:48:00 | 4:05:42 |
| M40-44 | 160 | 4:25:49 | 4:37:11 | 4:48:42 | 5:08:45 | 5:43:54 | 4:12:34 |
| M45-49 | 117 | 4:32:57 | 4:47:56 | 4:59:23 | 5:07:29 | 5:43:13 | 4:23:17 |
| M50-54 | 80 | 4:40:25 | 5:02:00 | 5:10:28 | 5:32:26 | 6:00:25 | 4:40:25 |
| M55-59 | 36 | 4:41:16 | 5:00:04 | 5:09:49 | 5:31:17 | 5:57:50 | 4:41:16 |
| M60-64 | 15 | 5:28:06 | 5:28:06 | 5:46:24 | 5:50:40 | 6:33:32 | 5:28:06 |
| M65-69 | 6 | 5:44:44 | 5:44:44 | 5:44:44 | 6:09:33 | 6:24:04 | 5:44:44 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 355 | 4:30:47 | 5:05:41 | 5:22:20 | 5:42:34 | 6:21:44 | 4:24:43 |
| FPRO | 8 | 4:24:43 | 4:24:43 | 4:24:43 | 4:28:38 | 4:30:47 | 4:24:43 |
| F18-24 | 19 | 5:27:46 | 5:27:46 | 5:43:43 | 5:47:46 | 6:08:51 | 5:27:46 |
| F25-29 | 45 | 5:08:06 | 5:19:08 | 5:22:54 | 5:44:37 | 6:16:28 | 5:08:06 |
| F30-34 | 73 | 4:37:13 | 5:05:41 | 5:16:46 | 5:32:09 | 6:05:28 | 4:37:13 |
| F35-39 | 64 | 4:48:12 | 5:18:19 | 5:33:37 | 5:47:34 | 6:26:30 | 4:48:12 |
| F40-44 | 71 | 4:40:31 | 5:10:57 | 5:25:10 | 5:42:34 | 6:22:15 | 4:40:31 |
| F45-49 | 35 | 4:58:08 | 5:37:00 | 5:39:19 | 5:49:57 | 6:31:19 | 4:58:08 |
| F50-54 | 28 | 5:22:20 | 5:41:15 | 5:42:50 | 5:53:21 | 6:42:28 | 5:22:20 |
| F55-59 | 10 | 5:31:04 | 5:31:04 | 5:31:04 | 5:37:59 | 6:23:31 | 5:31:04 |
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.