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 | 1,253 | 4:04:55 | 4:23:01 | 4:31:05 | 4:40:32 | 5:05:16 | 3:46:06 |
| MPRO | 23 | 3:46:06 | 3:48:01 | 3:49:22 | 3:52:35 | 4:04:55 | 3:46:06 |
| M18-24 | 44 | 4:10:09 | 4:15:37 | 4:27:14 | 4:35:37 | 4:46:28 | 4:10:09 |
| M25-29 | 113 | 4:14:17 | 4:19:45 | 4:27:45 | 4:37:32 | 4:58:18 | 4:07:37 |
| M30-34 | 242 | 4:14:30 | 4:23:58 | 4:31:11 | 4:38:33 | 4:56:53 | 4:11:08 |
| M35-39 | 245 | 4:13:50 | 4:26:42 | 4:32:25 | 4:40:21 | 5:02:23 | 4:05:55 |
| M40-44 | 242 | 4:13:03 | 4:26:23 | 4:33:30 | 4:45:17 | 5:08:17 | 4:03:30 |
| M45-49 | 193 | 4:18:06 | 4:28:52 | 4:40:42 | 4:49:00 | 5:13:39 | 4:17:41 |
| M50-54 | 108 | 4:32:39 | 4:36:57 | 4:40:12 | 4:51:43 | 5:18:52 | 4:28:36 |
| M55-59 | 35 | 4:38:19 | 4:43:49 | 4:56:23 | 5:04:51 | 5:25:36 | 4:38:19 |
| M60-64 | 5 | 4:45:57 | 4:45:57 | 4:45:57 | 4:45:57 | 5:30:07 | 4:45:57 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 241 | 4:20:15 | 4:46:45 | 4:57:57 | 5:12:54 | 5:41:09 | 4:13:24 |
| FPRO | 7 | 4:13:24 | 4:13:24 | 4:13:24 | 4:14:07 | 4:28:20 | 4:13:24 |
| F18-24 | 8 | 4:57:52 | 4:57:52 | 4:57:52 | 5:12:41 | 5:26:13 | 4:57:52 |
| F25-29 | 31 | 4:31:44 | 4:39:02 | 4:51:13 | 5:04:03 | 5:36:00 | 4:31:44 |
| F30-34 | 44 | 4:26:50 | 4:46:45 | 4:55:29 | 5:07:46 | 5:35:30 | 4:26:50 |
| F35-39 | 58 | 4:54:00 | 5:01:04 | 5:09:10 | 5:18:12 | 5:42:15 | 4:54:00 |
| F40-44 | 48 | 5:00:11 | 5:02:14 | 5:19:26 | 5:25:04 | 5:49:24 | 5:00:11 |
| F45-49 | 25 | 4:46:11 | 4:52:53 | 5:09:00 | 5:12:29 | 5:51:58 | 4:46:11 |
| F50-54 | 14 | 4:52:31 | 4:52:31 | 5:00:16 | 5:13:22 | 5:55:05 | 4:52:31 |
| F55-59 | 6 | 4:53:49 | 4:53:49 | 4:53:49 | 5:16:13 | 6:22:13 | 4:53:49 |
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.