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 | 796 | 4:13:11 | 4:29:53 | 4:40:03 | 4:59:22 | 5:37:32 | 4:01:01 |
| M18-24 | 68 | 4:05:28 | 4:23:21 | 4:35:56 | 5:00:45 | 5:37:38 | 4:05:28 |
| M25-29 | 139 | 4:13:10 | 4:24:40 | 4:36:44 | 4:55:11 | 5:38:01 | 4:01:01 |
| M30-34 | 139 | 4:03:29 | 4:16:59 | 4:34:40 | 4:48:12 | 5:30:48 | 4:03:21 |
| M35-39 | 100 | 4:15:38 | 4:32:52 | 4:46:53 | 5:02:43 | 5:32:38 | 4:15:38 |
| M40-44 | 117 | 4:13:54 | 4:25:22 | 4:37:10 | 4:56:42 | 5:34:35 | 4:13:11 |
| M45-49 | 87 | 4:20:47 | 4:44:48 | 4:52:28 | 5:02:05 | 5:30:55 | 4:20:47 |
| M50-54 | 65 | 4:29:53 | 4:40:03 | 4:50:41 | 4:59:22 | 5:46:03 | 4:29:53 |
| M55-59 | 38 | 4:22:20 | 4:31:58 | 4:39:35 | 5:17:27 | 5:49:27 | 4:22:20 |
| M60-64 | 29 | 4:43:06 | 5:07:31 | 5:14:04 | 5:35:00 | 6:01:50 | 4:43:06 |
| M65-69 | 12 | 5:28:21 | 5:28:21 | 5:50:03 | 5:50:14 | 6:05:55 | 5:28:21 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 351 | 4:44:33 | 5:00:20 | 5:16:40 | 5:31:21 | 6:14:27 | 4:25:19 |
| F18-24 | 26 | 4:44:35 | 5:10:19 | 5:10:57 | 5:30:50 | 6:04:01 | 4:44:35 |
| F25-29 | 63 | 4:49:18 | 5:01:48 | 5:12:32 | 5:26:23 | 5:51:20 | 4:49:18 |
| F30-34 | 48 | 4:25:19 | 4:43:51 | 4:47:21 | 5:10:29 | 6:03:33 | 4:25:19 |
| F35-39 | 57 | 4:44:33 | 4:49:11 | 5:22:28 | 5:34:20 | 6:12:30 | 4:44:33 |
| F40-44 | 43 | 5:00:20 | 5:20:57 | 5:23:25 | 5:28:48 | 6:31:15 | 5:00:20 |
| F45-49 | 45 | 4:55:04 | 5:02:11 | 5:12:56 | 5:34:11 | 6:30:05 | 4:55:04 |
| F50-54 | 31 | 5:12:48 | 5:15:26 | 5:25:38 | 5:32:19 | 6:22:05 | 5:12:48 |
| F55-59 | 24 | 5:24:41 | 5:26:20 | 5:36:51 | 6:01:47 | 6:21:04 | 5:24:41 |
| F60-64 | 9 | 5:39:48 | 5:39:48 | 5:39:48 | 5:53:25 | 7:23:55 | 5:39:48 |
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.