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 | 1,001 | 4:33:49 | 4:57:56 | 5:09:31 | 5:28:30 | 6:08:32 | 3:58:57 |
| MPRO | 11 | 3:58:57 | 3:58:57 | 4:02:36 | 4:04:12 | 4:18:33 | 3:58:57 |
| M18-24 | 23 | 4:45:17 | 4:49:23 | 4:55:16 | 5:20:58 | 6:04:20 | 4:45:17 |
| M25-29 | 54 | 4:31:19 | 4:41:01 | 5:01:26 | 5:08:54 | 5:51:59 | 4:31:19 |
| M30-34 | 134 | 4:37:38 | 4:52:29 | 5:05:21 | 5:22:41 | 5:52:04 | 4:33:49 |
| M35-39 | 213 | 4:49:36 | 5:00:26 | 5:15:28 | 5:24:15 | 6:06:49 | 4:45:46 |
| M40-44 | 222 | 4:44:28 | 5:02:22 | 5:09:24 | 5:27:55 | 6:06:10 | 4:34:26 |
| M45-49 | 173 | 4:43:58 | 5:01:11 | 5:19:35 | 5:37:09 | 6:13:48 | 4:42:23 |
| M50-54 | 94 | 4:43:01 | 5:16:00 | 5:28:53 | 5:39:21 | 6:24:39 | 4:43:01 |
| M55-59 | 52 | 5:22:20 | 5:41:55 | 5:55:17 | 6:11:05 | 6:44:53 | 5:22:20 |
| M60-64 | 19 | 5:38:57 | 5:38:57 | 5:47:15 | 6:18:16 | 7:14:14 | 5:38:57 |
| M65-69 | 6 | 6:37:49 | 6:37:49 | 6:37:49 | 6:49:08 | 6:53:43 | 6:37:49 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 186 | 4:43:29 | 5:21:17 | 5:40:50 | 5:59:33 | 6:32:50 | 4:42:33 |
| FPRO | 7 | 4:42:33 | 4:42:33 | 4:42:33 | 4:43:29 | 4:52:58 | 4:42:33 |
| F18-24 | 6 | 5:47:55 | 5:47:55 | 5:47:55 | 5:48:51 | 6:10:15 | 5:47:55 |
| F25-29 | 16 | 5:34:37 | 5:34:37 | 5:39:28 | 5:44:49 | 6:30:22 | 5:34:37 |
| F30-34 | 27 | 5:13:45 | 5:19:13 | 5:33:38 | 5:57:07 | 6:19:42 | 5:13:45 |
| F35-39 | 47 | 5:05:06 | 5:38:44 | 5:41:45 | 6:06:23 | 6:33:19 | 5:05:06 |
| F40-44 | 31 | 5:21:17 | 5:27:14 | 5:48:48 | 6:02:54 | 6:31:56 | 5:21:17 |
| F45-49 | 22 | 5:51:48 | 5:53:32 | 5:59:08 | 6:02:27 | 6:37:45 | 5:51:48 |
| F50-54 | 19 | 5:56:33 | 5:56:33 | 6:21:21 | 6:33:58 | 7:11:41 | 5:56:33 |
| F55-59 | 10 | 6:02:56 | 6:02:56 | 6:02:56 | 6:23:36 | 7:06:09 | 6:02:56 |
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.