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 | 922 | 3:52:03 | 4:15:11 | 4:40:59 | 5:11:02 | 6:07:58 | 3:42:25 |
| MPRO | 46 | 3:42:25 | 3:44:38 | 3:47:02 | 3:52:03 | 4:02:40 | 3:42:25 |
| M18-24 | 104 | 4:10:26 | 4:25:00 | 4:38:02 | 5:16:34 | 6:01:16 | 4:08:49 |
| M25-29 | 152 | 4:08:31 | 4:22:33 | 4:32:27 | 4:56:19 | 5:54:01 | 4:06:38 |
| M30-34 | 137 | 4:24:15 | 4:41:41 | 4:52:32 | 5:15:40 | 6:03:46 | 4:21:17 |
| M35-39 | 105 | 4:24:02 | 4:35:33 | 4:47:28 | 5:08:38 | 6:03:01 | 4:21:43 |
| M40-44 | 92 | 4:12:15 | 4:52:03 | 4:59:56 | 5:27:56 | 6:16:18 | 4:12:15 |
| M45-49 | 80 | 4:44:40 | 4:53:12 | 5:00:15 | 5:23:39 | 6:04:50 | 4:44:40 |
| M50-54 | 78 | 4:58:49 | 5:08:41 | 5:20:27 | 5:39:21 | 6:19:03 | 4:58:49 |
| M55-59 | 62 | 4:51:06 | 5:14:00 | 5:38:32 | 5:55:43 | 6:30:41 | 4:51:06 |
| M60-64 | 44 | 5:24:49 | 5:27:36 | 5:40:52 | 6:07:58 | 6:54:21 | 5:24:49 |
| M65-69 | 14 | 5:39:35 | 5:39:35 | 6:01:09 | 6:10:39 | 7:05:17 | 5:39:35 |
| M70-74 | 8 | 5:50:01 | 5:50:01 | 5:50:01 | 6:31:56 | 6:54:03 | 5:50:01 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 353 | 4:20:53 | 4:45:48 | 5:13:39 | 5:41:10 | 6:33:43 | 4:14:02 |
| FPRO | 24 | 4:14:02 | 4:18:10 | 4:20:36 | 4:21:13 | 4:38:10 | 4:14:02 |
| F18-24 | 24 | 5:10:26 | 5:13:39 | 5:16:47 | 5:35:48 | 6:18:12 | 5:10:26 |
| F25-29 | 42 | 4:45:12 | 4:53:55 | 5:16:53 | 5:44:17 | 6:44:00 | 4:45:12 |
| F30-34 | 40 | 4:40:54 | 4:45:46 | 5:17:10 | 5:42:12 | 6:56:02 | 4:40:54 |
| F35-39 | 44 | 5:08:05 | 5:19:01 | 5:32:24 | 5:37:48 | 6:22:37 | 5:08:05 |
| F40-44 | 49 | 4:59:37 | 5:18:00 | 5:27:22 | 5:43:44 | 6:10:05 | 4:59:37 |
| F45-49 | 38 | 5:14:09 | 5:17:24 | 5:42:54 | 5:53:40 | 6:31:17 | 5:14:09 |
| F50-54 | 33 | 4:54:09 | 5:23:04 | 5:54:53 | 6:01:43 | 6:47:44 | 4:54:09 |
| F55-59 | 25 | 5:40:07 | 5:45:50 | 5:55:28 | 6:06:22 | 6:51:35 | 5:40:07 |
| F60-64 | 16 | 5:31:59 | 5:31:59 | 5:47:06 | 6:20:29 | 7:01:05 | 5:31:59 |
| F65-69 | 15 | 6:09:40 | 6:09:40 | 6:40:52 | 6:50:42 | 7:24:40 | 6:09:40 |
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.