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 | 1,770 | 4:09:32 | 4:41:15 | 4:56:04 | 5:18:32 | 5:58:51 | 3:49:25 |
| MPRO | 33 | 3:49:25 | 3:49:37 | 3:56:38 | 4:00:37 | 4:08:39 | 3:49:25 |
| M18-24 | 10 | 4:47:20 | 4:47:20 | 4:47:20 | 4:54:17 | 5:45:05 | 4:47:20 |
| M25-29 | 90 | 4:16:14 | 4:28:53 | 4:36:36 | 4:50:16 | 5:39:06 | 4:16:14 |
| M30-34 | 222 | 4:25:52 | 4:35:51 | 4:42:10 | 4:59:09 | 5:49:03 | 4:17:20 |
| M35-39 | 274 | 4:28:38 | 4:44:39 | 4:57:27 | 5:11:47 | 5:46:01 | 4:22:51 |
| M40-44 | 340 | 4:35:54 | 4:51:53 | 5:05:38 | 5:24:38 | 5:56:44 | 4:09:32 |
| M45-49 | 299 | 4:39:57 | 4:54:10 | 5:07:59 | 5:25:42 | 6:04:11 | 4:39:33 |
| M50-54 | 244 | 4:41:20 | 4:54:48 | 5:02:09 | 5:28:41 | 6:14:29 | 4:22:17 |
| M55-59 | 134 | 4:54:11 | 5:13:24 | 5:19:56 | 5:41:20 | 6:09:32 | 4:53:15 |
| M60-64 | 91 | 4:58:22 | 5:13:46 | 5:22:39 | 5:48:45 | 6:30:14 | 4:58:22 |
| M65-69 | 28 | 5:18:25 | 5:32:11 | 5:42:06 | 6:01:52 | 6:38:15 | 5:18:25 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 585 | 4:22:31 | 5:08:53 | 5:23:43 | 5:44:46 | 6:32:45 | 4:09:19 |
| FPRO | 18 | 4:09:19 | 4:09:19 | 4:14:06 | 4:17:27 | 4:37:54 | 4:09:19 |
| F18-24 | 5 | 6:00:37 | 6:00:37 | 6:00:37 | 6:00:37 | 7:01:11 | 6:00:37 |
| F25-29 | 54 | 4:57:31 | 5:09:20 | 5:23:43 | 5:46:40 | 6:31:20 | 4:57:31 |
| F30-34 | 70 | 4:46:47 | 5:09:51 | 5:10:44 | 5:30:37 | 6:01:45 | 4:46:47 |
| F35-39 | 83 | 5:03:52 | 5:17:11 | 5:23:56 | 5:41:05 | 6:25:51 | 5:03:52 |
| F40-44 | 91 | 4:51:43 | 5:04:37 | 5:24:50 | 5:40:20 | 6:18:40 | 4:51:43 |
| F45-49 | 110 | 5:09:30 | 5:20:55 | 5:33:19 | 5:55:26 | 6:36:54 | 5:04:29 |
| F50-54 | 85 | 5:25:30 | 5:45:44 | 5:48:44 | 6:07:55 | 7:00:37 | 5:25:30 |
| F55-59 | 48 | 5:21:38 | 5:44:46 | 5:51:48 | 6:12:03 | 7:02:18 | 5:21:38 |
| F60-64 | 15 | 5:37:15 | 5:37:15 | 5:50:00 | 6:17:52 | 7:02:11 | 5:37:15 |
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.