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 | 953 | 4:33:35 | 4:57:57 | 5:13:26 | 5:33:19 | 6:15:54 | 4:14:24 |
| M18-24 | 90 | 4:33:57 | 4:44:01 | 4:59:58 | 5:26:06 | 6:06:15 | 4:33:57 |
| M25-29 | 155 | 4:22:04 | 5:05:37 | 5:15:30 | 5:33:52 | 6:14:16 | 4:21:27 |
| M30-34 | 189 | 4:16:49 | 4:57:33 | 5:16:56 | 5:33:51 | 6:10:01 | 4:14:24 |
| M35-39 | 137 | 4:32:04 | 4:47:26 | 4:59:24 | 5:23:49 | 6:09:28 | 4:23:42 |
| M40-44 | 109 | 4:42:22 | 4:56:40 | 5:07:31 | 5:27:44 | 6:21:28 | 4:33:17 |
| M45-49 | 83 | 4:36:15 | 4:58:20 | 5:11:02 | 5:32:42 | 6:25:30 | 4:36:15 |
| M50-54 | 83 | 4:57:27 | 5:06:58 | 5:17:20 | 5:36:46 | 6:22:13 | 4:57:27 |
| M55-59 | 46 | 4:49:39 | 5:26:21 | 5:32:27 | 5:45:15 | 6:09:55 | 4:49:39 |
| M60-64 | 32 | 5:15:06 | 5:16:20 | 5:23:26 | 5:37:30 | 6:25:04 | 5:15:06 |
| M65-69 | 21 | 5:40:48 | 5:44:45 | 5:47:02 | 6:25:01 | 6:40:48 | 5:40:48 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 426 | 5:08:59 | 5:32:34 | 5:42:39 | 6:01:26 | 6:48:34 | 4:54:53 |
| F18-24 | 24 | 4:54:53 | 5:11:36 | 5:29:57 | 5:36:00 | 5:56:11 | 4:54:53 |
| F25-29 | 88 | 5:07:55 | 5:19:24 | 5:37:02 | 5:51:40 | 6:35:59 | 5:07:55 |
| F30-34 | 86 | 4:57:00 | 5:18:24 | 5:45:37 | 5:56:36 | 6:40:04 | 4:57:00 |
| F35-39 | 51 | 5:00:22 | 5:26:22 | 5:45:07 | 6:02:59 | 6:51:22 | 5:00:22 |
| F40-44 | 47 | 5:08:59 | 5:36:14 | 5:51:25 | 6:10:57 | 7:05:30 | 5:08:59 |
| F45-49 | 45 | 5:31:19 | 5:55:44 | 5:59:38 | 6:03:52 | 6:48:50 | 5:31:19 |
| F50-54 | 38 | 5:26:54 | 5:37:46 | 5:39:01 | 6:11:08 | 6:47:59 | 5:26:54 |
| F55-59 | 28 | 6:02:57 | 6:07:52 | 6:22:22 | 6:35:22 | 7:12:06 | 6:02:57 |
| F60-64 | 16 | 6:23:05 | 6:23:05 | 6:24:49 | 7:08:44 | 7:46:54 | 6:23:05 |
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.