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 | 1,410 | 4:32:07 | 4:54:07 | 5:08:00 | 5:29:04 | 6:02:53 | 4:08:45 |
| M18-24 | 168 | 4:31:05 | 4:52:53 | 5:05:17 | 5:24:57 | 5:54:26 | 4:08:45 |
| M25-29 | 269 | 4:26:45 | 4:51:44 | 5:10:30 | 5:29:27 | 6:02:11 | 4:17:59 |
| M30-34 | 268 | 4:29:16 | 4:47:10 | 5:08:39 | 5:27:27 | 6:01:18 | 4:22:28 |
| M35-39 | 216 | 4:46:22 | 5:02:33 | 5:16:05 | 5:29:53 | 6:07:49 | 4:34:22 |
| M40-44 | 157 | 4:35:26 | 4:58:11 | 5:07:04 | 5:31:42 | 6:01:28 | 4:31:48 |
| M45-49 | 131 | 4:41:16 | 4:49:12 | 4:57:54 | 5:26:46 | 5:59:54 | 4:36:50 |
| M50-54 | 107 | 4:32:07 | 4:45:40 | 4:59:11 | 5:13:37 | 5:59:31 | 4:25:32 |
| M55-59 | 58 | 4:52:37 | 4:58:32 | 5:03:28 | 5:31:59 | 6:13:54 | 4:52:37 |
| M60-64 | 21 | 5:01:14 | 5:29:08 | 5:45:34 | 6:05:31 | 6:36:28 | 5:01:14 |
| M65-69 | 14 | 5:38:41 | 5:38:41 | 5:55:23 | 5:57:27 | 6:40:09 | 5:38:41 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 351 | 4:59:44 | 5:14:49 | 5:26:23 | 5:51:20 | 6:34:38 | 4:44:21 |
| F18-24 | 49 | 5:02:22 | 5:12:36 | 5:26:20 | 5:46:13 | 6:31:47 | 5:02:22 |
| F25-29 | 103 | 4:49:18 | 5:11:59 | 5:25:36 | 5:51:20 | 6:35:53 | 4:44:21 |
| F30-34 | 69 | 4:59:44 | 5:16:09 | 5:23:55 | 5:48:05 | 6:23:07 | 4:59:44 |
| F35-39 | 35 | 5:04:27 | 5:22:33 | 5:55:52 | 6:03:15 | 6:53:47 | 5:04:27 |
| F40-44 | 28 | 5:11:19 | 5:12:44 | 5:17:22 | 5:31:48 | 6:17:32 | 5:11:19 |
| F45-49 | 25 | 5:20:08 | 5:22:48 | 5:26:14 | 5:37:43 | 6:31:21 | 5:20:08 |
| F50-54 | 23 | 5:21:38 | 5:33:19 | 5:35:41 | 5:52:18 | 6:24:05 | 5:21:38 |
| F55-59 | 9 | 5:14:38 | 5:14:38 | 5:14:38 | 5:55:21 | 6:55:11 | 5:14:38 |
| F60-64 | 7 | 6:21:49 | 6:21:49 | 6:21:49 | 6:28:10 | 6:38:45 | 6:21:49 |
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.