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 | 1,806 | 4:35:05 | 4:57:49 | 5:14:08 | 5:33:59 | 6:16:58 | 4:15:13 |
| M18-24 | 65 | 4:23:41 | 4:34:29 | 4:49:41 | 5:14:40 | 6:00:10 | 4:23:41 |
| M25-29 | 233 | 4:27:37 | 4:46:14 | 5:13:50 | 5:34:05 | 6:14:39 | 4:15:13 |
| M30-34 | 337 | 4:35:05 | 4:57:40 | 5:14:28 | 5:29:33 | 6:12:58 | 4:26:24 |
| M35-39 | 318 | 4:37:30 | 4:56:26 | 5:17:10 | 5:34:39 | 6:19:35 | 4:16:38 |
| M40-44 | 303 | 4:44:33 | 5:02:07 | 5:11:29 | 5:30:17 | 6:17:22 | 4:33:00 |
| M45-49 | 265 | 4:35:05 | 4:56:40 | 5:11:17 | 5:31:26 | 6:14:25 | 4:18:26 |
| M50-54 | 155 | 4:49:26 | 5:07:54 | 5:29:28 | 5:43:02 | 6:30:37 | 4:47:40 |
| M55-59 | 84 | 5:05:16 | 5:13:44 | 5:28:01 | 5:38:31 | 6:14:15 | 5:05:16 |
| M60-64 | 34 | 4:53:32 | 5:31:18 | 5:35:47 | 5:46:40 | 6:31:37 | 4:53:32 |
| M65-69 | 8 | 6:08:24 | 6:08:24 | 6:08:24 | 6:14:32 | 6:37:49 | 6:08:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 682 | 5:05:38 | 5:26:58 | 5:39:27 | 5:56:19 | 6:37:22 | 4:52:26 |
| F18-24 | 34 | 5:20:47 | 5:23:50 | 5:37:42 | 5:49:03 | 6:26:08 | 5:20:47 |
| F25-29 | 122 | 4:59:29 | 5:24:17 | 5:42:12 | 5:59:44 | 6:36:19 | 4:52:26 |
| F30-34 | 133 | 4:55:41 | 5:17:48 | 5:31:40 | 5:54:20 | 6:36:58 | 4:55:02 |
| F35-39 | 115 | 5:09:13 | 5:24:38 | 5:34:30 | 5:45:07 | 6:33:56 | 5:07:56 |
| F40-44 | 119 | 5:18:21 | 5:31:15 | 5:39:27 | 5:54:36 | 6:37:21 | 5:15:37 |
| F45-49 | 82 | 5:24:21 | 5:40:08 | 5:45:44 | 6:04:20 | 6:43:37 | 5:24:21 |
| F50-54 | 42 | 5:19:32 | 5:50:05 | 6:02:53 | 6:16:10 | 6:41:58 | 5:19:32 |
| F55-59 | 27 | 5:18:53 | 5:34:25 | 5:46:45 | 6:01:27 | 6:25:14 | 5:18:53 |
| F60-64 | 6 | 6:32:21 | 6:32:21 | 6:32:21 | 6:59:47 | 7:53:26 | 6:32:21 |
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.