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 | 713 | 4:29:25 | 4:47:18 | 4:56:18 | 5:13:19 | 5:55:10 | 3:58:05 |
| M18-24 | 51 | 4:13:12 | 4:35:30 | 4:47:39 | 5:05:05 | 5:28:37 | 4:13:12 |
| M25-29 | 69 | 4:13:18 | 4:39:28 | 4:50:07 | 5:01:49 | 5:40:31 | 4:13:18 |
| M30-34 | 96 | 4:25:32 | 4:36:49 | 4:53:02 | 5:02:33 | 5:33:39 | 4:25:32 |
| M35-39 | 127 | 4:27:31 | 4:43:11 | 4:50:35 | 5:07:12 | 5:47:31 | 4:15:35 |
| M40-44 | 143 | 4:30:52 | 4:47:18 | 4:57:00 | 5:11:48 | 5:54:25 | 4:25:48 |
| M45-49 | 107 | 4:45:51 | 5:06:28 | 5:19:43 | 5:39:10 | 6:10:09 | 4:30:51 |
| M50-54 | 76 | 4:55:44 | 5:05:37 | 5:19:44 | 5:38:41 | 6:12:44 | 4:55:44 |
| M55-59 | 25 | 5:10:52 | 5:29:26 | 5:30:59 | 5:42:32 | 6:32:53 | 5:10:52 |
| M60-64 | 10 | 5:09:57 | 5:09:57 | 5:09:57 | 5:20:01 | 6:02:57 | 5:09:57 |
| M65-69 | 6 | 5:24:12 | 5:24:12 | 5:24:12 | 6:25:05 | 6:28:47 | 5:24:12 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 177 | 4:43:31 | 5:00:05 | 5:11:29 | 5:26:30 | 6:05:30 | 4:29:32 |
| F18-24 | 23 | 4:46:21 | 4:53:06 | 4:58:52 | 5:04:43 | 5:31:51 | 4:46:21 |
| F25-29 | 27 | 4:43:31 | 5:11:29 | 5:12:13 | 5:38:55 | 6:20:47 | 4:43:31 |
| F30-34 | 30 | 4:47:39 | 5:00:05 | 5:02:35 | 5:30:06 | 6:04:28 | 4:47:39 |
| F35-39 | 24 | 4:29:32 | 5:08:04 | 5:20:29 | 5:26:30 | 5:57:45 | 4:29:32 |
| F40-44 | 33 | 4:54:21 | 4:54:32 | 5:17:15 | 5:26:41 | 6:01:40 | 4:54:21 |
| F45-49 | 17 | 5:08:29 | 5:08:29 | 5:11:42 | 5:29:50 | 6:25:05 | 5:08:29 |
| F50-54 | 10 | 5:09:12 | 5:09:12 | 5:09:12 | 5:18:31 | 6:02:43 | 5:09:12 |
| F55-59 | 8 | 5:29:31 | 5:29:31 | 5:29:31 | 6:11:04 | 6:29:49 | 5:29:31 |
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.