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 | 1,448 | 4:15:11 | 4:34:01 | 4:46:40 | 5:03:11 | 5:42:17 | 3:59:59 |
| MPRO | 26 | 3:59:59 | 4:03:43 | 4:03:53 | 4:07:41 | 4:14:43 | 3:59:59 |
| M18-24 | 79 | 4:22:13 | 4:30:45 | 4:36:58 | 4:54:58 | 5:25:05 | 4:22:13 |
| M25-29 | 183 | 4:17:45 | 4:33:19 | 4:42:06 | 4:53:42 | 5:45:59 | 4:15:38 |
| M30-34 | 270 | 4:24:51 | 4:36:30 | 4:46:40 | 5:02:39 | 5:37:56 | 4:20:31 |
| M35-39 | 333 | 4:26:33 | 4:34:02 | 4:45:25 | 5:00:48 | 5:37:00 | 4:16:04 |
| M40-44 | 260 | 4:30:13 | 4:50:25 | 4:57:31 | 5:13:04 | 5:45:45 | 4:20:28 |
| M45-49 | 157 | 4:38:14 | 4:53:02 | 4:58:30 | 5:16:29 | 5:52:14 | 4:35:42 |
| M50-54 | 67 | 4:43:43 | 4:49:58 | 4:56:17 | 5:20:48 | 6:00:36 | 4:43:43 |
| M55-59 | 41 | 4:49:24 | 5:08:34 | 5:17:46 | 5:30:17 | 6:06:36 | 4:49:24 |
| M60-64 | 20 | 5:29:31 | 5:29:31 | 5:29:32 | 5:43:31 | 6:10:09 | 5:29:31 |
| M65-69 | 9 | 5:26:38 | 5:26:38 | 5:26:38 | 5:46:16 | 6:06:25 | 5:26:38 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 448 | 4:37:46 | 4:52:09 | 5:00:24 | 5:18:59 | 5:55:44 | 4:26:15 |
| FPRO | 29 | 4:26:15 | 4:31:46 | 4:33:03 | 4:39:28 | 4:51:00 | 4:26:15 |
| F18-24 | 12 | 4:53:22 | 4:53:22 | 5:06:44 | 5:17:34 | 5:48:10 | 4:53:22 |
| F25-29 | 88 | 4:49:56 | 4:55:23 | 5:04:41 | 5:18:01 | 5:54:07 | 4:49:56 |
| F30-34 | 85 | 4:51:42 | 4:58:13 | 5:05:28 | 5:20:56 | 5:48:02 | 4:51:42 |
| F35-39 | 87 | 4:43:43 | 5:02:31 | 5:13:21 | 5:24:03 | 6:04:07 | 4:43:43 |
| F40-44 | 72 | 4:58:58 | 5:15:18 | 5:23:02 | 5:29:14 | 6:05:39 | 4:58:58 |
| F45-49 | 48 | 5:09:24 | 5:14:31 | 5:19:02 | 5:36:25 | 6:08:25 | 5:09:24 |
| F50-54 | 16 | 5:06:37 | 5:06:37 | 5:26:58 | 5:59:51 | 6:27:36 | 5:06:37 |
| F55-59 | 6 | 5:51:58 | 5:51:58 | 5:51:58 | 6:01:44 | 6:36:28 | 5:51:58 |
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.