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 | 915 | 4:33:11 | 4:52:58 | 5:04:50 | 5:26:03 | 6:10:13 | 4:21:12 |
| M18-24 | 45 | 4:35:43 | 4:48:22 | 4:58:05 | 5:28:04 | 5:54:14 | 4:35:43 |
| M25-29 | 108 | 4:29:31 | 4:43:05 | 5:00:34 | 5:25:16 | 6:02:45 | 4:24:07 |
| M30-34 | 130 | 4:37:40 | 4:52:58 | 5:00:56 | 5:13:55 | 6:06:53 | 4:36:10 |
| M35-39 | 140 | 4:26:35 | 4:40:15 | 4:55:37 | 5:12:33 | 5:59:37 | 4:21:12 |
| M40-44 | 120 | 4:31:02 | 4:47:06 | 4:57:28 | 5:23:17 | 6:01:57 | 4:24:29 |
| M45-49 | 142 | 4:36:49 | 4:52:49 | 5:07:31 | 5:26:20 | 6:08:57 | 4:35:40 |
| M50-54 | 100 | 4:56:45 | 5:05:56 | 5:13:26 | 5:32:03 | 6:14:55 | 4:56:45 |
| M55-59 | 65 | 4:49:52 | 5:08:22 | 5:17:35 | 5:34:03 | 6:28:21 | 4:49:52 |
| M60-64 | 42 | 5:24:03 | 5:34:46 | 5:49:07 | 5:59:31 | 6:49:24 | 5:24:03 |
| M65-69 | 13 | 5:15:08 | 5:15:08 | 5:45:55 | 5:50:54 | 6:35:04 | 5:15:08 |
| M70-74 | 7 | 6:22:29 | 6:22:29 | 6:22:29 | 6:50:19 | 7:22:15 | 6:22:29 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 520 | 4:58:48 | 5:20:52 | 5:39:54 | 5:57:04 | 6:36:07 | 4:38:36 |
| F18-24 | 16 | 5:42:14 | 5:42:14 | 5:43:36 | 5:51:15 | 6:15:26 | 5:42:14 |
| F25-29 | 69 | 4:39:32 | 5:17:37 | 5:34:05 | 5:47:23 | 6:30:13 | 4:39:32 |
| F30-34 | 95 | 4:38:36 | 5:14:50 | 5:32:12 | 5:54:15 | 6:36:37 | 4:38:36 |
| F35-39 | 75 | 5:03:13 | 5:13:49 | 5:29:39 | 5:46:25 | 6:31:23 | 5:03:13 |
| F40-44 | 72 | 5:11:38 | 5:19:47 | 5:44:56 | 5:54:54 | 6:28:26 | 5:11:38 |
| F45-49 | 74 | 4:48:49 | 5:27:59 | 5:50:37 | 5:58:09 | 6:34:42 | 4:48:49 |
| F50-54 | 60 | 4:58:48 | 5:29:54 | 5:39:07 | 5:57:25 | 6:41:47 | 4:58:48 |
| F55-59 | 36 | 5:31:18 | 5:35:56 | 5:50:32 | 6:19:24 | 7:13:29 | 5:31:18 |
| F60-64 | 19 | 5:51:01 | 5:51:01 | 6:14:48 | 6:22:12 | 6:52:40 | 5:51:01 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.