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 | 632 | 4:11:26 | 4:29:37 | 4:41:12 | 4:55:50 | 5:30:13 | 3:53:12 |
| M18-24 | 38 | 3:53:12 | 4:11:26 | 4:21:47 | 4:39:30 | 5:16:10 | 3:53:12 |
| M25-29 | 103 | 4:15:33 | 4:28:11 | 4:41:37 | 4:58:53 | 5:28:07 | 3:57:51 |
| M30-34 | 121 | 4:06:30 | 4:27:25 | 4:37:53 | 4:55:27 | 5:30:39 | 4:05:39 |
| M35-39 | 109 | 4:19:17 | 4:30:42 | 4:42:47 | 4:56:51 | 5:24:48 | 4:12:40 |
| M40-44 | 105 | 4:14:42 | 4:25:14 | 4:40:33 | 4:53:38 | 5:31:15 | 3:55:42 |
| M45-49 | 86 | 4:10:49 | 4:39:06 | 4:45:44 | 4:58:45 | 5:29:20 | 4:10:49 |
| M50-54 | 42 | 4:32:01 | 4:44:53 | 4:51:33 | 5:01:10 | 5:24:47 | 4:32:01 |
| M55-59 | 13 | 4:36:55 | 4:36:55 | 4:51:31 | 5:14:55 | 5:57:59 | 4:36:55 |
| M60-64 | 7 | 4:51:01 | 4:51:01 | 4:51:01 | 5:12:17 | 6:09:39 | 4:51:01 |
| M65-69 | 7 | 5:08:14 | 5:08:14 | 5:08:14 | 5:38:02 | 5:59:31 | 5:08:14 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 183 | 4:37:06 | 4:51:04 | 4:57:13 | 5:24:51 | 6:06:05 | 4:31:37 |
| F18-24 | 17 | 4:51:04 | 4:51:04 | 4:55:30 | 5:18:13 | 6:17:02 | 4:51:04 |
| F25-29 | 23 | 4:42:43 | 4:44:06 | 4:52:42 | 4:57:13 | 5:27:33 | 4:42:43 |
| F30-34 | 47 | 4:37:06 | 4:42:58 | 4:48:37 | 5:25:55 | 5:58:21 | 4:37:06 |
| F35-39 | 37 | 4:56:00 | 4:56:55 | 5:04:32 | 5:38:59 | 6:11:34 | 4:56:00 |
| F40-44 | 21 | 4:42:37 | 4:52:08 | 4:57:36 | 5:30:58 | 5:59:09 | 4:42:37 |
| F45-49 | 24 | 4:31:37 | 5:16:23 | 5:21:23 | 5:32:29 | 6:15:43 | 4:31:37 |
| F50-54 | 10 | 5:17:31 | 5:17:31 | 5:17:31 | 5:38:41 | 6:26:34 | 5:17:31 |
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.