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 | 963 | 4:17:52 | 4:38:21 | 4:55:25 | 5:16:02 | 6:07:17 | 3:58:58 |
| M18-24 | 83 | 4:37:19 | 4:45:02 | 4:58:11 | 5:17:42 | 5:56:27 | 4:37:19 |
| M25-29 | 100 | 4:02:40 | 4:26:37 | 4:35:51 | 4:50:34 | 5:53:10 | 4:02:40 |
| M30-34 | 138 | 4:13:45 | 4:32:40 | 4:47:39 | 5:06:48 | 5:57:00 | 4:10:11 |
| M35-39 | 131 | 4:02:35 | 4:31:43 | 4:41:48 | 5:12:18 | 6:12:33 | 3:58:58 |
| M40-44 | 130 | 4:17:52 | 4:36:02 | 4:49:22 | 5:04:36 | 5:59:28 | 4:09:43 |
| M45-49 | 118 | 4:33:19 | 4:41:47 | 5:12:18 | 5:27:47 | 6:16:08 | 4:30:04 |
| M50-54 | 121 | 4:24:54 | 4:56:39 | 5:08:43 | 5:30:59 | 6:15:39 | 4:20:13 |
| M55-59 | 75 | 4:38:21 | 4:55:25 | 5:01:44 | 5:32:28 | 6:13:04 | 4:38:21 |
| M60-64 | 46 | 4:47:50 | 5:01:11 | 5:13:28 | 5:50:51 | 6:30:30 | 4:47:50 |
| M65-69 | 13 | 5:39:27 | 5:39:27 | 5:42:45 | 6:03:38 | 6:55:39 | 5:39:27 |
| M70-74 | 5 | 7:10:23 | 7:10:23 | 7:10:23 | 7:10:23 | 7:30:47 | 7:10:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 406 | 4:44:45 | 5:04:46 | 5:23:16 | 5:42:30 | 6:29:17 | 4:30:09 |
| F18-24 | 24 | 5:02:26 | 5:04:41 | 5:07:12 | 5:11:51 | 5:44:30 | 5:02:26 |
| F25-29 | 49 | 4:30:09 | 4:44:45 | 4:56:32 | 5:34:03 | 6:30:49 | 4:30:09 |
| F30-34 | 58 | 4:35:14 | 4:56:11 | 5:04:46 | 5:42:33 | 6:27:23 | 4:35:14 |
| F35-39 | 45 | 4:44:28 | 4:51:50 | 5:02:53 | 5:29:06 | 6:13:35 | 4:44:28 |
| F40-44 | 59 | 4:55:31 | 5:07:35 | 5:20:28 | 5:37:23 | 6:25:07 | 4:55:31 |
| F45-49 | 54 | 5:01:00 | 5:27:30 | 5:30:46 | 5:52:11 | 6:23:48 | 5:01:00 |
| F50-54 | 49 | 5:13:21 | 5:26:12 | 5:31:38 | 5:44:50 | 6:39:37 | 5:13:21 |
| F55-59 | 42 | 5:06:05 | 5:32:37 | 5:42:00 | 5:52:13 | 6:46:11 | 5:06:05 |
| F60-64 | 22 | 5:25:23 | 5:54:07 | 6:02:10 | 6:07:15 | 6:51:50 | 5:25:23 |
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.