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 | 1,147 | 3:58:31 | 4:30:26 | 4:46:28 | 5:08:55 | 5:52:03 | 3:43:34 |
| MPRO | 27 | 3:43:34 | 3:44:22 | 3:45:08 | 3:52:49 | 4:04:57 | 3:43:34 |
| M18-24 | 57 | 3:58:31 | 4:27:07 | 4:43:52 | 5:15:28 | 5:42:45 | 3:58:31 |
| M25-29 | 140 | 4:15:58 | 4:20:55 | 4:43:49 | 5:06:33 | 5:46:48 | 4:07:10 |
| M30-34 | 187 | 4:17:12 | 4:32:37 | 4:37:55 | 4:58:24 | 5:41:56 | 4:12:22 |
| M35-39 | 150 | 4:22:53 | 4:32:38 | 4:49:00 | 5:04:18 | 5:41:06 | 4:12:54 |
| M40-44 | 150 | 4:20:17 | 4:40:26 | 4:52:23 | 5:10:29 | 5:55:13 | 4:07:30 |
| M45-49 | 147 | 4:35:20 | 4:47:40 | 5:00:28 | 5:15:05 | 5:59:15 | 4:30:15 |
| M50-54 | 124 | 4:42:25 | 4:56:12 | 5:10:51 | 5:28:18 | 6:08:03 | 4:35:59 |
| M55-59 | 89 | 4:35:02 | 4:50:44 | 5:03:29 | 5:20:37 | 6:07:45 | 4:35:02 |
| M60-64 | 43 | 5:06:14 | 5:17:17 | 5:19:44 | 5:24:52 | 6:01:56 | 5:06:14 |
| M65-69 | 25 | 5:39:28 | 5:42:57 | 5:44:33 | 5:56:51 | 6:47:56 | 5:39:28 |
| M70-74 | 7 | 5:36:15 | 5:36:15 | 5:36:15 | 6:11:51 | 6:41:04 | 5:36:15 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 388 | 4:15:46 | 4:47:16 | 5:08:05 | 5:34:17 | 6:17:34 | 4:06:10 |
| FPRO | 15 | 4:06:10 | 4:06:10 | 4:06:57 | 4:11:29 | 4:40:11 | 4:06:10 |
| F18-24 | 19 | 4:35:37 | 4:35:37 | 4:44:22 | 5:13:00 | 6:00:29 | 4:35:37 |
| F25-29 | 67 | 4:33:48 | 4:55:20 | 5:08:29 | 5:22:04 | 6:08:15 | 4:33:48 |
| F30-34 | 59 | 4:44:45 | 4:53:36 | 5:01:22 | 5:40:21 | 6:18:14 | 4:44:45 |
| F35-39 | 47 | 4:35:36 | 4:54:34 | 5:02:05 | 5:29:38 | 6:13:16 | 4:35:36 |
| F40-44 | 66 | 4:49:28 | 5:16:12 | 5:19:39 | 5:45:08 | 6:27:59 | 4:49:28 |
| F45-49 | 36 | 4:33:38 | 4:57:44 | 5:16:53 | 5:38:16 | 6:18:04 | 4:33:38 |
| F50-54 | 34 | 5:24:48 | 5:31:32 | 5:37:48 | 5:47:44 | 6:27:36 | 5:24:48 |
| F55-59 | 28 | 5:27:16 | 5:36:07 | 5:47:03 | 5:51:53 | 6:56:54 | 5:27:16 |
| F60-64 | 13 | 5:53:47 | 5:53:47 | 5:57:33 | 6:12:30 | 6:58:07 | 5:53:47 |
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.