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 | 997 | 4:41:35 | 4:57:28 | 5:11:39 | 5:29:37 | 6:14:26 | 4:18:33 |
| M18-24 | 17 | 4:28:48 | 4:28:48 | 4:46:58 | 4:51:50 | 5:23:26 | 4:28:48 |
| M25-29 | 56 | 4:18:33 | 4:51:08 | 4:57:55 | 5:20:06 | 5:58:05 | 4:18:33 |
| M30-34 | 102 | 4:42:57 | 4:53:20 | 5:05:13 | 5:20:08 | 6:00:55 | 4:26:53 |
| M35-39 | 163 | 4:37:45 | 4:55:29 | 5:09:27 | 5:31:03 | 6:07:18 | 4:20:01 |
| M40-44 | 179 | 4:33:58 | 4:59:38 | 5:07:37 | 5:24:15 | 6:09:20 | 4:25:52 |
| M45-49 | 179 | 4:48:33 | 4:59:22 | 5:17:56 | 5:32:37 | 6:07:47 | 4:45:13 |
| M50-54 | 128 | 4:49:59 | 5:01:46 | 5:12:24 | 5:34:17 | 6:23:02 | 4:49:21 |
| M55-59 | 81 | 4:39:36 | 5:09:10 | 5:25:46 | 5:47:39 | 6:19:49 | 4:39:36 |
| M60-64 | 60 | 4:54:21 | 5:25:46 | 5:37:39 | 6:07:03 | 6:44:41 | 4:54:21 |
| M65-69 | 21 | 5:19:53 | 5:22:18 | 6:01:58 | 6:21:06 | 6:59:41 | 5:19:53 |
| M70-74 | 7 | 5:51:43 | 5:51:43 | 5:51:43 | 6:28:45 | 7:09:55 | 5:51:43 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 419 | 4:53:34 | 5:22:38 | 5:32:17 | 5:52:50 | 6:36:06 | 4:45:16 |
| F18-24 | 17 | 5:23:58 | 5:23:58 | 5:25:39 | 5:30:57 | 6:26:42 | 5:23:58 |
| F25-29 | 30 | 5:06:15 | 5:09:04 | 5:31:46 | 5:54:04 | 6:32:05 | 5:06:15 |
| F30-34 | 53 | 4:45:16 | 4:49:04 | 5:10:34 | 5:33:21 | 6:12:15 | 4:45:16 |
| F35-39 | 79 | 4:51:09 | 5:02:43 | 5:23:15 | 5:40:16 | 6:23:59 | 4:51:09 |
| F40-44 | 73 | 5:00:37 | 5:28:28 | 5:38:44 | 5:56:24 | 6:33:07 | 5:00:37 |
| F45-49 | 66 | 5:12:14 | 5:25:44 | 5:31:15 | 5:52:50 | 6:36:06 | 5:12:14 |
| F50-54 | 51 | 5:25:04 | 5:36:36 | 5:43:18 | 6:00:31 | 6:49:55 | 5:25:04 |
| F55-59 | 34 | 5:40:39 | 5:57:36 | 6:02:55 | 6:16:52 | 7:08:00 | 5:40:39 |
| F60-64 | 11 | 6:20:48 | 6:20:48 | 6:37:21 | 6:53:53 | 7:13:01 | 6:20:48 |
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.