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 | 1,898 | 3:43:43 | 4:19:50 | 4:38:04 | 4:58:03 | 5:32:15 | 3:33:56 |
| MPRO | 59 | 3:33:56 | 3:38:02 | 3:39:35 | 3:41:17 | 3:47:24 | 3:33:56 |
| M18-24 | 133 | 4:06:23 | 4:20:32 | 4:41:58 | 5:00:50 | 5:36:12 | 3:59:30 |
| M25-29 | 339 | 4:12:42 | 4:29:42 | 4:46:39 | 5:03:09 | 5:29:37 | 4:01:54 |
| M30-34 | 347 | 4:11:36 | 4:29:15 | 4:37:39 | 4:57:14 | 5:30:57 | 4:01:19 |
| M35-39 | 237 | 4:13:23 | 4:26:27 | 4:35:26 | 4:56:36 | 5:25:21 | 4:06:45 |
| M40-44 | 215 | 4:15:55 | 4:34:04 | 4:41:36 | 4:56:36 | 5:26:47 | 3:58:42 |
| M45-49 | 199 | 4:16:30 | 4:33:01 | 4:48:19 | 5:03:12 | 5:34:38 | 4:15:52 |
| M50-54 | 182 | 4:22:22 | 4:50:41 | 4:58:16 | 5:04:34 | 5:37:38 | 4:14:59 |
| M55-59 | 101 | 4:28:03 | 4:39:09 | 4:52:44 | 5:08:45 | 5:43:43 | 4:16:52 |
| M60-64 | 57 | 4:46:50 | 5:03:22 | 5:18:49 | 5:25:45 | 6:05:30 | 4:46:50 |
| M65-69 | 24 | 5:23:17 | 5:27:35 | 5:33:35 | 5:44:52 | 6:10:36 | 5:23:17 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 370 | 4:07:21 | 4:27:48 | 5:00:54 | 5:22:21 | 6:02:02 | 4:03:39 |
| FPRO | 24 | 4:03:39 | 4:06:25 | 4:06:58 | 4:08:20 | 4:19:50 | 4:03:39 |
| F18-24 | 22 | 4:28:02 | 5:16:56 | 5:20:39 | 5:47:59 | 6:32:39 | 4:28:02 |
| F25-29 | 68 | 4:27:48 | 5:05:46 | 5:12:13 | 5:31:03 | 5:58:57 | 4:27:48 |
| F30-34 | 69 | 4:37:10 | 5:00:54 | 5:06:54 | 5:34:03 | 6:02:13 | 4:37:10 |
| F35-39 | 45 | 4:50:17 | 5:01:10 | 5:09:47 | 5:22:21 | 6:01:59 | 4:50:17 |
| F40-44 | 39 | 4:48:18 | 4:57:33 | 5:15:58 | 5:27:13 | 5:52:42 | 4:48:18 |
| F45-49 | 45 | 5:06:46 | 5:12:31 | 5:16:49 | 5:27:33 | 6:04:33 | 5:06:46 |
| F50-54 | 29 | 4:44:07 | 4:49:45 | 5:11:44 | 5:46:38 | 6:19:32 | 4:44:07 |
| F55-59 | 15 | 5:13:41 | 5:13:41 | 5:20:32 | 5:44:22 | 6:41:50 | 5:13:41 |
| F60-64 | 11 | 5:19:27 | 5:19:27 | 5:24:20 | 5:46:38 | 6:23:08 | 5:19:27 |
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.