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 | 376 | 4:13:34 | 4:44:24 | 4:58:07 | 5:13:47 | 5:55:48 | 4:04:19 |
| M18-24 | 21 | 4:05:06 | 4:40:37 | 4:48:18 | 5:04:21 | 5:36:59 | 4:05:06 |
| M25-29 | 42 | 4:14:04 | 4:26:27 | 4:38:29 | 4:55:20 | 5:33:17 | 4:14:04 |
| M30-34 | 50 | 4:11:14 | 4:25:29 | 4:44:24 | 5:02:29 | 5:36:37 | 4:11:14 |
| M35-39 | 46 | 4:46:16 | 4:52:48 | 5:04:23 | 5:29:27 | 5:57:18 | 4:46:16 |
| M40-44 | 47 | 4:04:19 | 4:46:21 | 4:57:31 | 5:03:34 | 5:49:07 | 4:04:19 |
| M45-49 | 47 | 4:41:01 | 4:48:15 | 4:58:11 | 5:07:18 | 5:52:35 | 4:41:01 |
| M50-54 | 46 | 4:40:48 | 4:50:30 | 4:58:08 | 5:22:34 | 6:10:31 | 4:40:48 |
| M55-59 | 35 | 4:52:24 | 4:56:45 | 5:12:05 | 5:16:47 | 6:00:21 | 4:52:24 |
| M60-64 | 23 | 5:04:36 | 5:25:32 | 5:26:32 | 5:34:48 | 6:45:14 | 5:04:36 |
| M65-69 | 8 | 5:03:15 | 5:03:15 | 5:03:15 | 5:30:28 | 6:19:30 | 5:03:15 |
| M70-74 | 9 | 6:07:09 | 6:07:09 | 6:07:09 | 6:11:48 | 6:47:23 | 6:07:09 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 222 | 4:58:15 | 5:23:02 | 5:36:42 | 5:53:10 | 6:38:40 | 4:49:10 |
| F18-24 | 10 | 5:03:50 | 5:03:50 | 5:03:50 | 5:42:49 | 6:21:55 | 5:03:50 |
| F25-29 | 33 | 4:49:10 | 4:57:06 | 5:16:04 | 5:43:48 | 6:23:21 | 4:49:10 |
| F30-34 | 22 | 5:00:36 | 5:27:13 | 5:42:04 | 5:51:15 | 6:16:37 | 5:00:36 |
| F35-39 | 37 | 5:04:53 | 5:10:02 | 5:21:45 | 5:38:28 | 6:21:52 | 5:04:53 |
| F40-44 | 21 | 5:23:02 | 5:23:57 | 5:34:42 | 5:51:29 | 6:39:32 | 5:23:02 |
| F45-49 | 38 | 5:02:55 | 5:26:25 | 5:46:28 | 6:11:55 | 6:38:32 | 5:02:55 |
| F50-54 | 28 | 5:31:17 | 5:36:42 | 5:50:24 | 6:13:54 | 7:13:23 | 5:31:17 |
| F55-59 | 19 | 5:39:52 | 5:39:52 | 5:53:06 | 6:25:02 | 7:08:32 | 5:39:52 |
| F60-64 | 9 | 6:16:09 | 6:16:09 | 6:16:09 | 6:31:25 | 8:19:47 | 6:16:09 |
| F65-69 | 5 | 5:57:08 | 5:57:08 | 5:57:08 | 5:57:08 | 7:05:20 | 5:57:08 |
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.