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 | 1,314 | 4:29:50 | 4:42:21 | 4:51:18 | 5:07:56 | 5:48:26 | 4:03:17 |
| M18-24 | 29 | 4:24:42 | 4:30:56 | 4:31:48 | 4:39:41 | 5:27:55 | 4:24:42 |
| M25-29 | 139 | 4:26:05 | 4:38:10 | 4:43:41 | 4:59:03 | 5:37:40 | 4:21:21 |
| M30-34 | 178 | 4:20:35 | 4:35:27 | 4:45:21 | 5:02:38 | 5:48:25 | 4:03:17 |
| M35-39 | 184 | 4:26:53 | 4:37:22 | 4:46:32 | 4:59:56 | 5:40:11 | 4:21:15 |
| M40-44 | 201 | 4:31:01 | 4:38:31 | 4:44:22 | 4:54:47 | 5:33:14 | 4:16:34 |
| M45-49 | 195 | 4:34:05 | 4:45:49 | 4:54:13 | 5:09:07 | 5:42:55 | 4:24:38 |
| M50-54 | 165 | 4:43:26 | 4:56:54 | 5:05:59 | 5:17:41 | 5:59:02 | 4:39:37 |
| M55-59 | 118 | 4:51:24 | 5:02:35 | 5:16:06 | 5:28:03 | 5:58:26 | 4:43:47 |
| M60-64 | 69 | 5:02:31 | 5:13:11 | 5:24:19 | 5:35:09 | 6:18:40 | 5:02:31 |
| M65-69 | 29 | 5:28:21 | 5:35:21 | 5:40:59 | 5:56:54 | 7:07:31 | 5:28:21 |
| M70-74 | 6 | 5:43:32 | 5:43:32 | 5:43:32 | 5:52:41 | 6:31:19 | 5:43:32 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 701 | 4:54:05 | 5:08:12 | 5:21:10 | 5:36:11 | 6:18:23 | 4:37:57 |
| F18-24 | 22 | 4:43:50 | 4:54:05 | 5:06:22 | 5:21:48 | 5:39:49 | 4:43:50 |
| F25-29 | 68 | 4:37:57 | 5:02:52 | 5:21:36 | 5:30:09 | 6:02:28 | 4:37:57 |
| F30-34 | 68 | 4:53:23 | 5:05:51 | 5:09:40 | 5:42:48 | 6:13:34 | 4:53:23 |
| F35-39 | 91 | 4:39:53 | 5:00:46 | 5:13:35 | 5:32:07 | 6:03:40 | 4:39:53 |
| F40-44 | 121 | 4:56:49 | 5:06:24 | 5:12:37 | 5:28:29 | 6:05:05 | 4:55:47 |
| F45-49 | 112 | 5:01:36 | 5:09:58 | 5:24:38 | 5:34:09 | 6:06:23 | 4:52:40 |
| F50-54 | 92 | 5:00:04 | 5:11:24 | 5:19:55 | 5:45:37 | 6:33:40 | 5:00:04 |
| F55-59 | 74 | 5:18:18 | 5:26:15 | 5:33:48 | 5:49:15 | 6:26:12 | 5:18:18 |
| F60-64 | 36 | 5:27:02 | 5:48:53 | 5:53:42 | 6:20:25 | 6:55:49 | 5:27:02 |
| F65-69 | 11 | 5:57:12 | 5:57:12 | 6:04:06 | 6:17:51 | 7:43:05 | 5:57:12 |
| F70-74 | 5 | 6:41:34 | 6:41:34 | 6:41:34 | 6:41:34 | 7:36:55 | 6:41:34 |
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.