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 | 987 | 4:22:54 | 4:43:45 | 4:55:25 | 5:12:05 | 5:50:58 | 4:07:18 |
| M18-24 | 99 | 4:18:40 | 4:40:46 | 4:49:53 | 5:07:40 | 5:37:37 | 4:18:40 |
| M25-29 | 173 | 4:08:56 | 4:32:40 | 4:42:04 | 5:00:28 | 5:34:09 | 4:07:18 |
| M30-34 | 183 | 4:20:34 | 4:38:15 | 4:52:39 | 5:08:11 | 5:41:28 | 4:17:55 |
| M35-39 | 129 | 4:30:21 | 4:44:15 | 4:51:53 | 5:00:38 | 5:45:35 | 4:24:18 |
| M40-44 | 121 | 4:37:57 | 4:48:59 | 4:59:29 | 5:12:05 | 5:46:25 | 4:37:42 |
| M45-49 | 104 | 4:32:36 | 4:59:51 | 5:08:37 | 5:25:51 | 6:01:16 | 4:15:27 |
| M50-54 | 84 | 4:35:05 | 4:56:59 | 5:19:42 | 5:30:17 | 6:00:04 | 4:35:05 |
| M55-59 | 56 | 4:50:01 | 5:13:56 | 5:25:30 | 5:47:20 | 6:16:38 | 4:50:01 |
| M60-64 | 21 | 5:08:35 | 5:24:39 | 5:29:00 | 5:44:58 | 6:32:26 | 5:08:35 |
| M65-69 | 14 | 5:06:39 | 5:06:39 | 5:27:01 | 5:42:52 | 7:01:23 | 5:06:39 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 214 | 4:53:40 | 5:07:32 | 5:24:56 | 5:43:36 | 6:24:19 | 4:42:16 |
| F18-24 | 17 | 5:05:48 | 5:05:48 | 5:07:07 | 5:16:26 | 5:52:49 | 5:05:48 |
| F25-29 | 50 | 4:48:06 | 5:06:35 | 5:12:29 | 5:41:35 | 6:21:27 | 4:48:06 |
| F30-34 | 45 | 4:56:12 | 5:13:24 | 5:24:56 | 5:37:22 | 6:17:57 | 4:56:12 |
| F35-39 | 32 | 4:42:16 | 5:02:56 | 5:11:53 | 5:24:57 | 6:17:59 | 4:42:16 |
| F40-44 | 29 | 5:15:56 | 5:35:16 | 5:39:18 | 5:48:32 | 6:16:45 | 5:15:56 |
| F45-49 | 17 | 5:01:45 | 5:01:45 | 5:26:42 | 6:07:21 | 6:31:25 | 5:01:45 |
| F50-54 | 14 | 6:21:33 | 6:21:33 | 6:26:57 | 6:30:55 | 6:52:46 | 6:21:33 |
| F55-59 | 7 | 6:39:36 | 6:39:36 | 6:39:36 | 6:43:09 | 6:52:39 | 6:39:36 |
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.