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 | 928 | 4:28:23 | 4:48:33 | 5:04:17 | 5:28:41 | 6:06:20 | 4:15:12 |
| M18-24 | 144 | 4:37:30 | 5:00:38 | 5:14:34 | 5:34:02 | 6:11:54 | 4:27:58 |
| M25-29 | 197 | 4:20:42 | 5:02:12 | 5:13:11 | 5:35:32 | 6:08:30 | 4:17:03 |
| M30-34 | 141 | 4:27:42 | 4:39:56 | 4:55:13 | 5:20:00 | 6:02:41 | 4:25:30 |
| M35-39 | 100 | 4:15:12 | 4:38:08 | 4:50:51 | 5:07:37 | 6:01:50 | 4:15:12 |
| M40-44 | 92 | 4:36:50 | 4:50:34 | 5:15:51 | 5:31:53 | 6:15:16 | 4:36:50 |
| M45-49 | 73 | 4:28:23 | 4:36:26 | 4:47:33 | 5:08:22 | 5:44:02 | 4:28:23 |
| M50-54 | 69 | 4:16:51 | 4:44:18 | 5:01:29 | 5:21:27 | 6:00:09 | 4:16:51 |
| M55-59 | 55 | 4:49:43 | 4:58:51 | 5:12:54 | 5:30:40 | 6:10:43 | 4:49:43 |
| M60-64 | 37 | 5:04:39 | 5:17:01 | 5:30:23 | 5:53:27 | 6:31:22 | 5:04:39 |
| M65-69 | 14 | 5:10:46 | 5:10:46 | 5:11:09 | 5:35:57 | 6:22:34 | 5:10:46 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 394 | 5:04:12 | 5:19:21 | 5:36:28 | 5:53:58 | 6:34:15 | 4:48:19 |
| F18-24 | 59 | 5:17:25 | 5:31:40 | 5:43:20 | 5:55:55 | 6:42:46 | 5:17:25 |
| F25-29 | 90 | 5:04:12 | 5:28:10 | 5:34:17 | 6:02:09 | 6:38:15 | 5:04:12 |
| F30-34 | 65 | 4:48:19 | 5:20:14 | 5:45:11 | 5:52:42 | 6:35:09 | 4:48:19 |
| F35-39 | 41 | 5:07:51 | 5:15:25 | 5:17:07 | 5:27:29 | 6:08:20 | 5:07:51 |
| F40-44 | 37 | 5:05:52 | 5:10:12 | 5:15:23 | 5:45:41 | 6:41:39 | 5:05:52 |
| F45-49 | 35 | 4:55:33 | 5:32:52 | 5:38:20 | 5:57:41 | 6:34:15 | 4:55:33 |
| F50-54 | 20 | 5:19:21 | 5:19:21 | 5:25:12 | 5:45:41 | 6:10:38 | 5:19:21 |
| F55-59 | 20 | 5:50:27 | 5:50:27 | 6:01:22 | 6:08:03 | 6:26:30 | 5:50:27 |
| F60-64 | 15 | 5:53:24 | 5:53:24 | 5:56:05 | 6:03:29 | 6:33:15 | 5:53:24 |
| F65-69 | 9 | 6:09:54 | 6:09:54 | 6:09:54 | 6:20:51 | 7:16:11 | 6:09:54 |
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.