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 | 382 | 4:30:55 | 4:56:17 | 5:07:54 | 5:22:55 | 6:10:08 | 4:09:46 |
| M18-24 | 16 | 4:44:05 | 4:44:05 | 4:57:06 | 5:12:28 | 5:49:45 | 4:44:05 |
| M25-29 | 25 | 4:09:46 | 4:29:24 | 4:50:51 | 4:57:23 | 5:47:58 | 4:09:46 |
| M30-34 | 38 | 4:30:55 | 4:35:46 | 4:45:36 | 5:09:25 | 6:00:23 | 4:30:55 |
| M35-39 | 54 | 4:27:13 | 4:48:08 | 5:02:03 | 5:35:27 | 6:07:10 | 4:27:13 |
| M40-44 | 62 | 4:43:11 | 5:02:35 | 5:11:56 | 5:39:29 | 6:13:43 | 4:43:11 |
| M45-49 | 67 | 4:45:01 | 5:05:19 | 5:12:15 | 5:26:01 | 6:09:57 | 4:45:01 |
| M50-54 | 62 | 4:32:58 | 4:57:05 | 5:09:20 | 5:24:48 | 6:18:21 | 4:32:58 |
| M55-59 | 39 | 5:05:45 | 5:06:30 | 5:12:52 | 5:31:45 | 6:13:06 | 5:05:45 |
| M60-64 | 16 | 5:52:04 | 5:52:04 | 6:06:28 | 6:12:58 | 6:31:43 | 5:52:04 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 98 | 4:51:20 | 5:07:49 | 5:24:41 | 5:52:59 | 6:40:49 | 4:51:20 |
| F25-29 | 7 | 5:07:49 | 5:07:49 | 5:07:49 | 5:53:39 | 6:43:55 | 5:07:49 |
| F35-39 | 11 | 4:52:37 | 4:52:37 | 4:57:43 | 5:01:56 | 6:39:50 | 4:52:37 |
| F40-44 | 22 | 4:51:20 | 5:10:53 | 5:19:44 | 5:41:30 | 6:13:50 | 4:51:20 |
| F45-49 | 14 | 5:24:41 | 5:24:41 | 5:42:43 | 5:56:53 | 7:13:00 | 5:24:41 |
| F50-54 | 15 | 5:17:23 | 5:17:23 | 5:49:38 | 5:57:03 | 6:41:42 | 5:17:23 |
| F55-59 | 13 | 5:24:03 | 5:24:03 | 5:38:18 | 5:51:58 | 6:50:14 | 5:24:03 |
| F60-64 | 7 | 5:52:59 | 5:52:59 | 5:52:59 | 6:03:35 | 6:23:03 | 5:52:59 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.