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 | 665 | 4:03:56 | 4:34:37 | 4:47:27 | 5:04:13 | 5:41:52 | 3:53:28 |
| MPRO | 24 | 3:53:28 | 3:55:44 | 3:55:54 | 4:01:45 | 4:11:02 | 3:53:28 |
| M18-24 | 24 | 4:09:58 | 4:18:15 | 4:48:38 | 4:52:48 | 5:16:55 | 4:09:58 |
| M25-29 | 81 | 4:19:40 | 4:37:14 | 4:42:24 | 4:54:20 | 5:32:01 | 4:19:40 |
| M30-34 | 107 | 4:20:01 | 4:38:03 | 4:50:43 | 5:04:13 | 5:30:56 | 4:14:49 |
| M35-39 | 154 | 4:32:22 | 4:44:51 | 4:52:38 | 5:01:05 | 5:35:28 | 4:13:45 |
| M40-44 | 117 | 4:39:27 | 4:44:37 | 4:55:30 | 5:16:48 | 5:47:03 | 4:36:54 |
| M45-49 | 88 | 4:44:37 | 5:01:37 | 5:08:31 | 5:16:17 | 5:57:06 | 4:44:37 |
| M50-54 | 38 | 5:00:48 | 5:04:17 | 5:11:06 | 5:34:28 | 6:07:21 | 5:00:48 |
| M55-59 | 20 | 5:07:16 | 5:07:16 | 5:12:02 | 6:01:24 | 6:28:14 | 5:07:16 |
| M60-64 | 10 | 5:17:15 | 5:17:15 | 5:17:15 | 5:47:13 | 6:48:15 | 5:17:15 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 281 | 4:31:47 | 4:49:07 | 5:09:16 | 5:28:04 | 6:21:18 | 4:24:44 |
| FPRO | 15 | 4:24:44 | 4:24:44 | 4:31:20 | 4:31:47 | 4:37:58 | 4:24:44 |
| F18-24 | 10 | 4:49:07 | 4:49:07 | 4:49:07 | 5:04:18 | 5:35:19 | 4:49:07 |
| F25-29 | 46 | 4:50:21 | 5:05:30 | 5:14:43 | 5:19:36 | 6:12:13 | 4:50:21 |
| F30-34 | 46 | 4:40:04 | 4:57:29 | 5:13:49 | 5:25:08 | 6:24:15 | 4:40:04 |
| F35-39 | 68 | 4:39:19 | 5:09:16 | 5:17:21 | 5:39:11 | 6:11:18 | 4:39:19 |
| F40-44 | 49 | 5:09:25 | 5:11:54 | 5:19:48 | 5:36:24 | 6:21:50 | 5:09:25 |
| F45-49 | 25 | 5:35:32 | 5:58:08 | 6:06:33 | 6:20:01 | 6:38:53 | 5:35:32 |
| F50-54 | 18 | 5:56:08 | 5:56:08 | 6:05:51 | 6:19:25 | 6:50:41 | 5:56:08 |
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.