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 | 1,114 | 4:19:27 | 4:35:23 | 4:49:19 | 5:08:43 | 5:51:03 | 4:11:34 |
| M18-24 | 39 | 4:11:34 | 4:28:31 | 4:42:08 | 5:03:21 | 6:12:42 | 4:11:34 |
| M25-29 | 99 | 4:14:36 | 4:23:22 | 4:25:48 | 4:44:54 | 5:39:35 | 4:14:36 |
| M30-34 | 172 | 4:16:52 | 4:28:12 | 4:39:19 | 4:56:39 | 5:39:30 | 4:14:36 |
| M35-39 | 171 | 4:18:39 | 4:32:45 | 4:52:11 | 5:07:51 | 5:46:28 | 4:17:23 |
| M40-44 | 214 | 4:27:36 | 4:45:02 | 4:57:15 | 5:11:39 | 5:48:47 | 4:19:01 |
| M45-49 | 187 | 4:35:23 | 4:41:34 | 4:53:25 | 5:13:16 | 5:50:17 | 4:31:03 |
| M50-54 | 118 | 4:31:52 | 4:42:32 | 4:58:59 | 5:13:28 | 5:54:57 | 4:24:53 |
| M55-59 | 63 | 4:33:35 | 4:53:21 | 5:02:45 | 5:13:36 | 5:57:54 | 4:33:35 |
| M60-64 | 31 | 4:46:50 | 5:05:55 | 5:16:16 | 5:43:30 | 6:25:34 | 4:46:50 |
| M65-69 | 12 | 5:40:10 | 5:40:10 | 5:53:22 | 6:23:48 | 6:41:25 | 5:40:10 |
| M70-74 | 6 | 5:35:39 | 5:35:39 | 5:35:39 | 5:52:31 | 6:37:38 | 5:35:39 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 425 | 4:50:22 | 5:00:54 | 5:13:33 | 5:33:57 | 6:15:40 | 4:36:53 |
| F18-24 | 9 | 4:56:05 | 4:56:05 | 4:56:05 | 4:59:08 | 5:39:17 | 4:56:05 |
| F25-29 | 44 | 4:36:53 | 4:58:51 | 5:03:37 | 5:25:27 | 6:16:51 | 4:36:53 |
| F30-34 | 61 | 4:54:53 | 4:56:49 | 5:02:21 | 5:13:51 | 6:01:21 | 4:54:53 |
| F35-39 | 78 | 4:47:41 | 4:52:46 | 5:12:20 | 5:27:44 | 6:10:05 | 4:47:41 |
| F40-44 | 73 | 4:50:22 | 5:05:26 | 5:25:14 | 5:44:33 | 6:19:40 | 4:50:22 |
| F45-49 | 57 | 4:55:26 | 5:00:54 | 5:09:47 | 5:19:12 | 6:07:52 | 4:55:26 |
| F50-54 | 52 | 5:14:16 | 5:31:38 | 5:37:55 | 5:55:40 | 6:18:42 | 5:14:16 |
| F55-59 | 31 | 5:18:55 | 5:22:44 | 5:34:57 | 5:45:01 | 6:11:25 | 5:18:55 |
| F60-64 | 13 | 5:29:46 | 5:29:46 | 5:55:28 | 6:16:02 | 7:37:14 | 5:29:46 |
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.