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 | 658 | 8:06:05 | 9:16:43 | 9:44:29 | 10:24:12 | 12:07:03 | 7:42:57 |
| MPRO | 20 | 7:42:57 | 7:42:57 | 7:58:29 | 8:03:00 | 8:11:13 | 7:42:57 |
| M18-24 | 26 | 9:05:07 | 9:32:39 | 9:39:05 | 10:13:05 | 12:41:09 | 9:05:07 |
| M25-29 | 73 | 8:19:01 | 9:11:14 | 9:48:52 | 10:45:06 | 12:32:47 | 8:19:01 |
| M30-34 | 71 | 8:41:47 | 9:28:20 | 9:47:23 | 10:20:40 | 11:44:28 | 8:41:47 |
| M35-39 | 99 | 8:43:00 | 9:16:43 | 9:28:56 | 10:06:05 | 11:42:12 | 8:43:00 |
| M40-44 | 87 | 8:48:27 | 9:22:29 | 9:44:13 | 10:08:01 | 12:42:02 | 8:48:27 |
| M45-49 | 85 | 9:36:17 | 9:56:53 | 10:04:51 | 10:34:52 | 12:04:06 | 9:36:17 |
| M50-54 | 67 | 9:37:48 | 9:55:16 | 10:15:01 | 10:55:05 | 12:10:41 | 9:37:48 |
| M55-59 | 70 | 9:36:37 | 10:11:25 | 10:24:17 | 10:58:03 | 12:24:22 | 9:36:37 |
| M60-64 | 36 | 10:06:12 | 10:19:43 | 10:58:43 | 11:47:36 | 12:44:53 | 10:06:12 |
| M65-69 | 16 | 11:32:59 | 11:32:59 | 12:27:31 | 14:01:52 | 14:44:57 | 11:32:59 |
| M70-74 | 7 | 12:03:55 | 12:03:55 | 12:03:55 | 12:11:25 | 13:40:03 | 12:03:55 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 123 | 8:57:59 | 9:09:37 | 9:47:24 | 11:26:04 | 12:42:40 | 8:46:30 |
| FPRO | 15 | 8:46:30 | 8:46:30 | 8:57:59 | 8:59:55 | 9:22:06 | 8:46:30 |
| F18-24 | 5 | 11:52:44 | 11:52:44 | 11:52:44 | 11:52:44 | 12:52:11 | 11:52:44 |
| F25-29 | 14 | 10:28:06 | 10:28:06 | 11:08:56 | 11:10:45 | 12:14:40 | 10:28:06 |
| F30-34 | 19 | 10:04:29 | 10:04:29 | 10:18:17 | 11:47:48 | 12:40:28 | 10:04:29 |
| F35-39 | 15 | 9:58:22 | 9:58:22 | 10:37:16 | 11:57:55 | 13:38:06 | 9:58:22 |
| F40-44 | 12 | 11:40:55 | 11:40:55 | 11:46:01 | 12:01:21 | 13:44:08 | 11:40:55 |
| F45-49 | 17 | 11:26:18 | 11:26:18 | 11:31:12 | 11:34:25 | 12:50:45 | 11:26:18 |
| F50-54 | 15 | 12:15:32 | 12:15:32 | 12:25:22 | 12:42:40 | 14:13:12 | 12:15:32 |
| F55-59 | 8 | 11:19:19 | 11:19:19 | 11:19:19 | 12:02:47 | 12:37:39 | 11:19:19 |
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.