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 | 1,196 | 4:13:36 | 4:49:33 | 5:04:59 | 5:25:47 | 6:08:21 | 3:43:48 |
| MPRO | 17 | 3:43:48 | 3:43:48 | 3:48:39 | 3:56:42 | 4:10:49 | 3:43:48 |
| M18-24 | 32 | 4:37:53 | 4:49:33 | 5:01:00 | 5:10:59 | 5:53:57 | 4:37:53 |
| M25-29 | 113 | 4:21:29 | 4:33:55 | 4:52:28 | 5:22:08 | 5:58:48 | 4:10:12 |
| M30-34 | 195 | 4:35:04 | 4:48:15 | 4:57:14 | 5:12:54 | 5:50:16 | 4:31:23 |
| M35-39 | 249 | 4:38:37 | 4:57:57 | 5:08:02 | 5:25:47 | 6:01:09 | 4:27:35 |
| M40-44 | 226 | 4:44:59 | 4:54:51 | 5:09:10 | 5:26:41 | 6:09:37 | 4:41:23 |
| M45-49 | 153 | 4:51:21 | 4:59:45 | 5:19:25 | 5:40:46 | 6:19:05 | 4:34:15 |
| M50-54 | 130 | 4:41:09 | 5:16:18 | 5:31:04 | 5:52:24 | 6:27:09 | 4:39:20 |
| M55-59 | 38 | 5:19:42 | 5:30:14 | 5:46:45 | 5:57:24 | 6:37:14 | 5:19:42 |
| M60-64 | 31 | 4:56:35 | 5:13:20 | 5:55:57 | 6:13:11 | 6:50:56 | 4:56:35 |
| M65-69 | 10 | 5:57:09 | 5:57:09 | 5:57:09 | 5:59:24 | 6:47:29 | 5:57:09 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 472 | 4:52:36 | 5:14:41 | 5:28:55 | 5:47:24 | 6:22:49 | 4:13:46 |
| FPRO | 5 | 4:13:46 | 4:13:46 | 4:13:46 | 4:13:46 | 4:32:35 | 4:13:46 |
| F18-24 | 16 | 4:58:51 | 4:58:51 | 5:11:43 | 5:16:51 | 5:36:54 | 4:58:51 |
| F25-29 | 64 | 4:55:56 | 5:16:03 | 5:28:55 | 5:42:44 | 6:12:54 | 4:55:56 |
| F30-34 | 102 | 4:56:10 | 5:20:42 | 5:38:53 | 5:47:54 | 6:17:52 | 4:52:36 |
| F35-39 | 102 | 4:57:36 | 5:17:17 | 5:28:19 | 5:47:07 | 6:20:08 | 4:54:42 |
| F40-44 | 63 | 5:17:40 | 5:25:06 | 5:41:54 | 5:51:31 | 6:26:48 | 5:17:40 |
| F45-49 | 65 | 5:00:56 | 5:19:34 | 5:40:53 | 5:53:22 | 6:33:46 | 5:00:56 |
| F50-54 | 40 | 5:03:41 | 5:26:18 | 5:36:35 | 5:47:49 | 6:50:46 | 5:03:41 |
| F55-59 | 11 | 5:59:54 | 5:59:54 | 6:33:19 | 6:48:05 | 7:24:33 | 5:59:54 |
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.