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 | 941 | 4:45:00 | 5:04:52 | 5:20:30 | 5:47:57 | 6:36:22 | 4:10:38 |
| M18-24 | 25 | 4:10:38 | 4:53:09 | 5:11:27 | 5:23:29 | 6:35:16 | 4:10:38 |
| M25-29 | 85 | 4:21:27 | 4:50:52 | 5:03:07 | 5:28:43 | 6:34:35 | 4:21:27 |
| M30-34 | 119 | 4:40:50 | 4:58:18 | 5:29:27 | 5:41:57 | 6:38:32 | 4:19:38 |
| M35-39 | 121 | 4:40:36 | 5:03:55 | 5:11:04 | 5:31:22 | 6:29:41 | 4:35:54 |
| M40-44 | 154 | 4:45:00 | 5:04:03 | 5:17:46 | 5:46:26 | 6:32:38 | 4:42:28 |
| M45-49 | 151 | 4:52:14 | 5:02:28 | 5:26:12 | 5:52:28 | 6:34:20 | 4:42:57 |
| M50-54 | 144 | 4:57:06 | 5:11:40 | 5:21:42 | 5:50:38 | 6:32:26 | 4:52:57 |
| M55-59 | 90 | 4:52:10 | 5:26:22 | 5:41:29 | 6:00:18 | 6:41:41 | 4:52:10 |
| M60-64 | 32 | 5:19:36 | 5:22:57 | 6:09:28 | 6:19:48 | 6:57:36 | 5:19:36 |
| M65-69 | 13 | 5:37:01 | 5:37:01 | 5:54:33 | 5:58:56 | 6:37:57 | 5:37:01 |
| M70-74 | 5 | 5:50:19 | 5:50:19 | 5:50:19 | 5:50:19 | 7:16:47 | 5:50:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 396 | 5:01:27 | 5:32:31 | 5:43:01 | 6:07:07 | 6:54:40 | 5:00:12 |
| F18-24 | 7 | 5:18:00 | 5:18:00 | 5:18:00 | 6:12:29 | 7:14:04 | 5:18:00 |
| F25-29 | 37 | 5:00:12 | 5:17:21 | 5:23:59 | 5:43:48 | 6:35:24 | 5:00:12 |
| F30-34 | 50 | 5:01:23 | 5:21:11 | 5:24:33 | 5:39:36 | 6:18:07 | 5:01:23 |
| F35-39 | 50 | 5:00:14 | 5:17:09 | 5:27:50 | 5:54:03 | 6:48:59 | 5:00:14 |
| F40-44 | 70 | 5:21:13 | 5:33:44 | 5:36:50 | 5:49:38 | 6:37:00 | 5:21:13 |
| F45-49 | 51 | 5:47:58 | 6:01:48 | 6:07:43 | 6:34:37 | 7:09:48 | 5:47:58 |
| F50-54 | 71 | 5:32:33 | 5:41:48 | 5:54:08 | 6:14:39 | 7:10:32 | 5:32:33 |
| F55-59 | 35 | 5:48:55 | 5:57:58 | 6:16:35 | 6:31:53 | 7:01:41 | 5:48:55 |
| F60-64 | 17 | 5:43:01 | 5:43:01 | 6:08:54 | 6:50:37 | 6:58:26 | 5:43:01 |
| F65-69 | 5 | 6:56:07 | 6:56:07 | 6:56:07 | 6:56:07 | 7:48:06 | 6:56:07 |
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.