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 | 720 | 4:14:19 | 4:36:53 | 4:53:12 | 5:18:39 | 6:01:57 | 3:58:25 |
| M18-24 | 80 | 4:13:40 | 4:40:12 | 4:46:42 | 5:05:37 | 5:49:09 | 4:13:40 |
| M25-29 | 121 | 4:17:17 | 4:25:56 | 4:51:01 | 5:21:29 | 5:59:12 | 4:03:36 |
| M30-34 | 94 | 3:58:25 | 4:31:49 | 4:40:41 | 5:10:06 | 6:01:22 | 3:58:25 |
| M35-39 | 98 | 4:14:19 | 4:32:25 | 4:37:31 | 5:16:28 | 5:54:11 | 4:14:19 |
| M40-44 | 83 | 4:03:27 | 4:20:39 | 4:35:27 | 5:07:20 | 6:03:58 | 4:03:27 |
| M45-49 | 56 | 4:43:34 | 4:52:47 | 5:06:59 | 5:22:56 | 6:02:55 | 4:43:34 |
| M50-54 | 71 | 4:29:29 | 5:03:07 | 5:14:32 | 5:23:36 | 6:04:44 | 4:29:29 |
| M55-59 | 59 | 4:46:29 | 4:53:23 | 4:58:28 | 5:09:09 | 6:02:31 | 4:46:29 |
| M60-64 | 37 | 5:10:07 | 5:18:35 | 5:26:13 | 5:42:54 | 6:18:32 | 5:10:07 |
| M65-69 | 18 | 5:21:19 | 5:21:19 | 5:33:44 | 5:57:49 | 6:51:24 | 5:21:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 304 | 4:48:05 | 5:06:45 | 5:22:01 | 5:44:07 | 6:24:39 | 4:30:13 |
| F18-24 | 33 | 5:01:34 | 5:35:00 | 5:41:47 | 5:45:04 | 6:21:41 | 5:01:34 |
| F25-29 | 63 | 4:30:13 | 5:04:19 | 5:18:01 | 5:31:55 | 6:10:02 | 4:30:13 |
| F30-34 | 51 | 4:47:49 | 4:57:45 | 5:11:08 | 5:42:20 | 6:22:45 | 4:47:49 |
| F35-39 | 39 | 4:59:39 | 5:10:07 | 5:21:02 | 5:42:00 | 6:24:39 | 4:59:39 |
| F40-44 | 28 | 4:51:12 | 4:59:32 | 5:10:26 | 5:31:35 | 6:25:38 | 4:51:12 |
| F45-49 | 23 | 4:58:15 | 5:03:44 | 5:13:21 | 5:53:39 | 6:32:51 | 4:58:15 |
| F50-54 | 23 | 5:11:14 | 5:17:24 | 5:31:18 | 5:37:38 | 6:22:05 | 5:11:14 |
| F55-59 | 25 | 5:02:41 | 5:12:44 | 5:19:32 | 5:44:39 | 7:00:01 | 5:02:41 |
| F60-64 | 12 | 5:56:04 | 5:56:04 | 5:57:21 | 6:10:14 | 6:58:00 | 5:56:04 |
| F65-69 | 6 | 5:59:46 | 5:59:46 | 5:59:46 | 6:48:34 | 7:01:08 | 5:59:46 |
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.