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 | 504 | 4:13:15 | 4:28:08 | 4:44:51 | 5:07:29 | 6:06:35 | 4:03:27 |
| MPRO | 16 | 4:03:27 | 4:03:27 | 4:04:22 | 4:06:52 | 4:15:16 | 4:03:27 |
| M18-24 | 27 | 4:24:46 | 4:27:31 | 4:48:14 | 5:14:17 | 6:36:13 | 4:24:46 |
| M25-29 | 59 | 4:27:30 | 4:36:00 | 4:43:11 | 5:05:13 | 6:07:19 | 4:27:30 |
| M30-34 | 74 | 4:15:47 | 4:30:35 | 4:47:18 | 4:58:16 | 5:43:49 | 4:15:47 |
| M35-39 | 95 | 4:13:43 | 4:24:07 | 4:41:01 | 5:06:39 | 6:01:22 | 4:13:43 |
| M40-44 | 78 | 4:28:08 | 4:47:53 | 4:55:49 | 5:11:41 | 5:59:42 | 4:28:08 |
| M45-49 | 54 | 4:37:09 | 4:43:49 | 5:04:22 | 5:19:11 | 6:12:12 | 4:37:09 |
| M50-54 | 44 | 4:34:06 | 4:52:21 | 4:54:14 | 5:17:46 | 6:14:54 | 4:34:06 |
| M55-59 | 17 | 5:06:33 | 5:06:33 | 5:07:43 | 5:18:49 | 6:16:22 | 5:06:33 |
| M60-64 | 19 | 5:18:43 | 5:18:43 | 5:25:19 | 5:52:50 | 6:26:01 | 5:18:43 |
| M65-69 | 7 | 5:28:55 | 5:28:55 | 5:28:55 | 6:34:11 | 6:54:42 | 5:28:55 |
| MPC | 5 | 5:45:04 | 5:45:04 | 5:45:04 | 5:45:04 | 6:01:43 | 5:45:04 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 198 | 4:34:23 | 4:52:35 | 5:02:46 | 5:21:16 | 6:08:37 | 4:26:09 |
| FPRO | 15 | 4:26:09 | 4:26:09 | 4:34:23 | 4:35:21 | 4:51:48 | 4:26:09 |
| F18-24 | 5 | 5:25:38 | 5:25:38 | 5:25:38 | 5:25:38 | 6:34:17 | 5:25:38 |
| F25-29 | 21 | 4:50:42 | 5:13:43 | 5:15:11 | 5:18:07 | 6:38:24 | 4:50:42 |
| F30-34 | 28 | 4:58:11 | 4:58:37 | 5:01:55 | 5:09:09 | 5:38:54 | 4:58:11 |
| F35-39 | 25 | 5:05:34 | 5:08:11 | 5:13:46 | 5:35:58 | 6:19:21 | 5:05:34 |
| F40-44 | 40 | 4:56:45 | 5:00:05 | 5:11:02 | 5:21:08 | 5:52:15 | 4:56:45 |
| F45-49 | 21 | 5:31:35 | 5:32:11 | 5:33:39 | 5:45:13 | 6:56:58 | 5:31:35 |
| F50-54 | 26 | 5:29:25 | 5:29:50 | 5:36:43 | 5:54:00 | 6:07:50 | 5:29:25 |
| F55-59 | 7 | 6:00:30 | 6:00:30 | 6:00:30 | 6:09:30 | 6:28:50 | 6:00:30 |
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.