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 | 1,397 | 4:07:35 | 4:31:36 | 4:42:09 | 4:56:47 | 5:32:22 | 3:46:56 |
| MPRO | 26 | 3:46:56 | 3:51:23 | 3:54:36 | 3:59:06 | 4:07:29 | 3:46:56 |
| M18-24 | 33 | 4:15:26 | 4:16:46 | 4:25:06 | 4:31:24 | 4:56:08 | 4:15:26 |
| M25-29 | 112 | 4:21:06 | 4:30:05 | 4:38:58 | 4:48:17 | 5:16:20 | 4:18:59 |
| M30-34 | 262 | 4:17:32 | 4:32:19 | 4:40:39 | 4:49:56 | 5:22:39 | 4:15:23 |
| M35-39 | 280 | 4:17:45 | 4:33:03 | 4:39:04 | 4:52:46 | 5:29:12 | 4:15:25 |
| M40-44 | 309 | 4:26:57 | 4:42:43 | 4:51:39 | 5:05:42 | 5:33:48 | 4:19:31 |
| M45-49 | 220 | 4:34:37 | 4:42:44 | 4:51:00 | 5:06:31 | 5:41:54 | 4:28:49 |
| M50-54 | 103 | 4:46:35 | 4:55:46 | 5:08:18 | 5:21:04 | 5:52:57 | 4:43:22 |
| M55-59 | 26 | 4:29:07 | 4:51:28 | 4:57:40 | 5:21:40 | 5:51:45 | 4:29:07 |
| M60-64 | 17 | 5:00:52 | 5:00:52 | 5:24:24 | 5:26:34 | 5:52:33 | 5:00:52 |
| M65-69 | 5 | 5:51:25 | 5:51:25 | 5:51:25 | 5:51:25 | 6:25:26 | 5:51:25 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 319 | 4:25:47 | 4:48:57 | 5:04:03 | 5:21:06 | 5:50:23 | 4:15:10 |
| FPRO | 16 | 4:15:10 | 4:15:10 | 4:18:31 | 4:25:47 | 4:29:23 | 4:15:10 |
| F18-24 | 8 | 5:02:27 | 5:02:27 | 5:02:27 | 5:12:05 | 5:31:59 | 5:02:27 |
| F25-29 | 38 | 4:45:13 | 4:53:01 | 5:10:33 | 5:23:01 | 5:44:41 | 4:45:13 |
| F30-34 | 88 | 4:48:57 | 4:59:48 | 5:05:04 | 5:18:03 | 5:46:44 | 4:48:57 |
| F35-39 | 55 | 4:50:13 | 5:03:24 | 5:16:43 | 5:22:49 | 5:41:39 | 4:50:13 |
| F40-44 | 53 | 4:58:51 | 5:10:59 | 5:15:29 | 5:34:13 | 6:08:07 | 4:58:51 |
| F45-49 | 32 | 5:16:07 | 5:20:28 | 5:23:12 | 5:31:24 | 5:50:59 | 5:16:07 |
| F50-54 | 17 | 5:26:41 | 5:26:41 | 5:32:03 | 5:42:45 | 6:10:18 | 5:26:41 |
| F55-59 | 9 | 5:33:19 | 5:33:19 | 5:33:19 | 5:58:05 | 6:18:44 | 5:33:19 |
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.