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 | 999 | 4:22:43 | 4:38:16 | 4:48:36 | 5:00:43 | 5:35:12 | 4:10:47 |
| M18-24 | 44 | 4:14:16 | 4:25:36 | 4:29:50 | 4:52:56 | 5:30:23 | 4:14:16 |
| M25-29 | 77 | 4:11:43 | 4:32:56 | 4:45:25 | 4:56:56 | 5:27:41 | 4:11:43 |
| M30-34 | 155 | 4:12:28 | 4:31:48 | 4:44:54 | 4:56:04 | 5:25:09 | 4:10:47 |
| M35-39 | 157 | 4:23:05 | 4:34:34 | 4:45:40 | 5:00:53 | 5:35:41 | 4:11:02 |
| M40-44 | 162 | 4:27:23 | 4:38:34 | 4:46:43 | 4:56:20 | 5:31:27 | 4:26:15 |
| M45-49 | 154 | 4:23:08 | 4:41:50 | 4:50:31 | 5:00:43 | 5:37:33 | 4:22:43 |
| M50-54 | 150 | 4:22:32 | 4:40:14 | 4:52:38 | 5:08:30 | 5:38:04 | 4:14:46 |
| M55-59 | 66 | 4:48:31 | 4:58:37 | 5:02:14 | 5:10:10 | 5:54:16 | 4:48:31 |
| M60-64 | 28 | 5:01:11 | 5:05:55 | 5:07:37 | 5:31:56 | 5:55:38 | 5:01:11 |
| M65-69 | 5 | 5:23:51 | 5:23:51 | 5:23:51 | 5:23:51 | 5:49:15 | 5:23:51 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 208 | 4:37:48 | 4:59:53 | 5:14:07 | 5:28:15 | 6:00:10 | 4:32:04 |
| F18-24 | 9 | 4:32:04 | 4:32:04 | 4:32:04 | 4:54:11 | 5:21:13 | 4:32:04 |
| F25-29 | 33 | 4:52:28 | 4:52:51 | 4:59:53 | 5:23:02 | 5:56:52 | 4:52:28 |
| F30-34 | 32 | 4:53:01 | 5:00:56 | 5:07:06 | 5:19:48 | 5:51:07 | 4:53:01 |
| F35-39 | 37 | 5:14:30 | 5:24:54 | 5:28:00 | 5:41:57 | 5:59:47 | 5:14:30 |
| F40-44 | 30 | 4:37:04 | 4:37:48 | 4:46:51 | 5:26:45 | 6:03:36 | 4:37:04 |
| F45-49 | 25 | 5:05:36 | 5:07:37 | 5:18:30 | 5:26:53 | 6:00:06 | 5:05:36 |
| F50-54 | 17 | 5:08:17 | 5:08:17 | 5:12:10 | 5:35:54 | 6:03:08 | 5:08:17 |
| F55-59 | 16 | 5:40:57 | 5:40:57 | 5:47:16 | 5:52:48 | 6:32:01 | 5:40:57 |
| F60-64 | 8 | 5:59:34 | 5:59:34 | 5:59:34 | 6:03:32 | 6:50:09 | 5:59:34 |
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.