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 | 1,223 | 4:18:23 | 4:37:02 | 4:54:50 | 5:11:19 | 5:55:18 | 3:45:38 |
| MPRO | 22 | 3:45:38 | 3:56:56 | 3:59:45 | 4:02:04 | 4:18:09 | 3:45:38 |
| M18-24 | 56 | 4:26:13 | 4:28:58 | 4:49:54 | 5:13:26 | 5:45:01 | 4:26:13 |
| M25-29 | 106 | 4:26:27 | 4:33:56 | 4:49:45 | 5:00:41 | 5:40:56 | 4:21:41 |
| M30-34 | 175 | 4:20:32 | 4:36:17 | 4:47:46 | 5:06:03 | 5:48:44 | 4:18:23 |
| M35-39 | 249 | 4:24:58 | 4:51:01 | 5:00:59 | 5:12:38 | 5:55:58 | 4:11:51 |
| M40-44 | 256 | 4:27:04 | 4:38:39 | 4:55:42 | 5:15:09 | 5:52:01 | 4:18:37 |
| M45-49 | 182 | 4:27:34 | 4:57:36 | 5:08:08 | 5:20:22 | 6:03:56 | 4:25:53 |
| M50-54 | 100 | 4:25:47 | 4:46:07 | 4:56:12 | 5:20:28 | 6:06:54 | 4:25:47 |
| M55-59 | 47 | 4:54:27 | 5:07:56 | 5:12:48 | 5:28:27 | 6:29:32 | 4:54:27 |
| M60-64 | 21 | 5:43:13 | 5:48:45 | 5:54:52 | 6:15:25 | 6:45:37 | 5:43:13 |
| M65-69 | 6 | 6:53:47 | 6:53:47 | 6:53:47 | 7:01:20 | 7:45:09 | 6:53:47 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 492 | 4:31:14 | 4:59:12 | 5:14:29 | 5:36:55 | 6:17:13 | 4:24:30 |
| FPRO | 11 | 4:24:30 | 4:24:30 | 4:26:09 | 4:28:19 | 4:39:39 | 4:24:30 |
| F18-24 | 19 | 5:01:53 | 5:01:53 | 5:12:34 | 5:37:10 | 6:11:26 | 5:01:53 |
| F25-29 | 52 | 4:45:29 | 4:46:12 | 5:00:03 | 5:25:15 | 6:10:47 | 4:45:29 |
| F30-34 | 79 | 4:44:22 | 4:57:43 | 5:10:05 | 5:36:23 | 6:06:19 | 4:44:22 |
| F35-39 | 102 | 4:59:19 | 5:11:29 | 5:18:33 | 5:32:09 | 6:06:56 | 4:41:27 |
| F40-44 | 92 | 4:51:26 | 5:12:23 | 5:35:27 | 5:51:14 | 6:22:53 | 4:51:26 |
| F45-49 | 75 | 4:41:20 | 5:15:27 | 5:25:58 | 5:43:04 | 6:22:12 | 4:41:20 |
| F50-54 | 39 | 4:55:45 | 5:11:34 | 5:24:27 | 5:44:35 | 6:31:02 | 4:55:45 |
| F55-59 | 16 | 5:25:35 | 5:25:35 | 5:34:04 | 6:36:30 | 7:07:32 | 5:25:35 |
| F60-64 | 6 | 6:35:59 | 6:35:59 | 6:35:59 | 7:45:53 | 7:59:28 | 6:35:59 |
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.