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 | 1,285 | 3:40:19 | 4:09:12 | 4:23:08 | 4:44:13 | 5:30:59 | 3:23:13 |
| MPRO | 34 | 3:23:13 | 3:24:35 | 3:25:58 | 3:28:01 | 3:46:32 | 3:23:13 |
| M18-24 | 84 | 3:42:04 | 3:57:09 | 4:14:41 | 4:28:38 | 5:27:39 | 3:42:04 |
| M25-29 | 162 | 3:50:05 | 4:05:52 | 4:23:08 | 4:42:48 | 5:34:47 | 3:48:06 |
| M30-34 | 190 | 4:03:14 | 4:19:21 | 4:37:18 | 4:53:35 | 5:32:29 | 3:56:13 |
| M35-39 | 200 | 3:59:05 | 4:14:11 | 4:24:15 | 4:41:05 | 5:29:20 | 3:58:39 |
| M40-44 | 216 | 4:06:42 | 4:14:56 | 4:24:29 | 4:43:47 | 5:27:31 | 4:05:57 |
| M45-49 | 187 | 4:06:10 | 4:19:36 | 4:30:34 | 4:49:24 | 5:27:11 | 3:52:39 |
| M50-54 | 107 | 4:15:44 | 4:27:50 | 4:41:16 | 4:56:01 | 5:35:13 | 4:03:37 |
| M55-59 | 60 | 4:31:47 | 4:33:10 | 4:43:52 | 5:04:36 | 5:49:30 | 4:31:47 |
| M60-64 | 28 | 4:39:29 | 4:46:52 | 5:09:18 | 5:15:13 | 5:54:51 | 4:39:29 |
| M65-69 | 11 | 5:05:13 | 5:05:13 | 5:28:27 | 5:34:50 | 6:01:48 | 5:05:13 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 549 | 4:03:34 | 4:23:26 | 4:41:40 | 5:03:36 | 5:51:10 | 3:49:34 |
| FPRO | 13 | 3:49:34 | 3:49:34 | 4:00:05 | 4:01:06 | 4:06:29 | 3:49:34 |
| F18-24 | 26 | 4:12:46 | 4:47:15 | 4:53:09 | 5:13:43 | 5:32:26 | 4:12:46 |
| F25-29 | 89 | 3:58:24 | 4:25:02 | 4:39:46 | 5:08:50 | 5:50:03 | 3:58:24 |
| F30-34 | 98 | 4:16:30 | 4:25:14 | 4:35:32 | 4:54:32 | 5:39:07 | 4:16:30 |
| F35-39 | 93 | 4:14:29 | 4:29:34 | 4:49:20 | 5:12:03 | 5:58:58 | 4:14:29 |
| F40-44 | 85 | 4:17:25 | 4:35:06 | 4:44:23 | 5:00:37 | 5:54:48 | 4:17:25 |
| F45-49 | 74 | 4:26:32 | 4:47:01 | 4:56:31 | 5:10:42 | 6:02:02 | 4:26:32 |
| F50-54 | 36 | 4:28:54 | 4:36:09 | 4:46:56 | 4:56:41 | 5:54:13 | 4:28:54 |
| F55-59 | 26 | 4:19:50 | 5:08:07 | 5:11:07 | 5:27:01 | 5:56:02 | 4:19:50 |
| F60-64 | 5 | 5:13:22 | 5:13:22 | 5:13:22 | 5:13:22 | 6:05:21 | 5:13:22 |
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.