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 | 1,409 | 4:04:54 | 4:43:08 | 5:03:48 | 5:24:37 | 6:10:37 | 3:48:18 |
| MPRO | 34 | 3:48:18 | 3:51:10 | 3:54:40 | 3:56:37 | 4:10:15 | 3:48:18 |
| M18-24 | 49 | 4:12:43 | 4:30:34 | 4:49:04 | 5:12:39 | 5:56:12 | 4:12:43 |
| M25-29 | 109 | 4:24:50 | 4:37:21 | 4:53:56 | 5:14:14 | 5:56:50 | 4:11:25 |
| M30-34 | 194 | 4:25:30 | 4:41:09 | 4:58:47 | 5:20:03 | 5:54:52 | 4:20:05 |
| M35-39 | 260 | 4:34:32 | 4:59:50 | 5:13:54 | 5:32:50 | 6:05:49 | 4:18:47 |
| M40-44 | 262 | 4:43:12 | 5:00:46 | 5:08:43 | 5:25:47 | 6:11:34 | 4:26:20 |
| M45-49 | 220 | 4:38:07 | 4:54:33 | 5:06:08 | 5:27:40 | 6:12:44 | 4:36:08 |
| M50-54 | 148 | 4:40:32 | 5:03:53 | 5:16:30 | 5:39:49 | 6:19:20 | 4:30:38 |
| M55-59 | 87 | 5:02:24 | 5:22:50 | 5:33:04 | 5:49:15 | 6:43:52 | 5:02:24 |
| M60-64 | 36 | 5:35:32 | 5:42:30 | 5:50:37 | 6:06:38 | 6:47:06 | 5:35:32 |
| M65-69 | 9 | 6:30:04 | 6:30:04 | 6:30:04 | 6:36:18 | 7:09:06 | 6:30:04 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 454 | 4:26:52 | 5:05:59 | 5:20:53 | 5:40:03 | 6:32:30 | 4:16:48 |
| FPRO | 17 | 4:16:48 | 4:16:48 | 4:18:04 | 4:24:36 | 4:36:31 | 4:16:48 |
| F18-24 | 15 | 5:27:00 | 5:27:00 | 5:28:07 | 5:28:57 | 6:29:36 | 5:27:00 |
| F25-29 | 49 | 4:59:17 | 5:10:30 | 5:27:44 | 5:40:03 | 6:19:51 | 4:59:17 |
| F30-34 | 76 | 5:00:14 | 5:07:45 | 5:21:18 | 5:40:09 | 6:32:30 | 5:00:14 |
| F35-39 | 85 | 5:05:46 | 5:11:16 | 5:21:19 | 5:42:43 | 6:29:34 | 5:05:46 |
| F40-44 | 83 | 5:07:45 | 5:17:28 | 5:22:56 | 5:53:27 | 6:42:53 | 5:07:45 |
| F45-49 | 59 | 4:59:52 | 5:23:20 | 5:33:03 | 5:56:46 | 6:38:32 | 4:59:52 |
| F50-54 | 42 | 5:19:48 | 5:26:05 | 5:34:19 | 5:50:45 | 6:26:37 | 5:19:48 |
| F55-59 | 22 | 5:21:51 | 5:29:00 | 5:31:25 | 6:05:34 | 6:51:49 | 5:21:51 |
| F60-64 | 5 | 6:31:33 | 6:31:33 | 6:31:33 | 6:31:33 | 6:58:47 | 6:31:33 |
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.