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 | 1,258 | 8:33:36 | 9:10:41 | 9:36:22 | 10:05:39 | 11:16:21 | 8:06:03 |
| M18-24 | 73 | 8:33:53 | 9:26:03 | 9:30:58 | 9:57:38 | 11:03:14 | 8:33:53 |
| M25-29 | 114 | 8:18:58 | 8:56:21 | 9:12:17 | 9:44:29 | 10:49:28 | 8:06:03 |
| M30-34 | 191 | 8:24:57 | 8:55:10 | 9:13:00 | 9:46:50 | 10:51:24 | 8:22:22 |
| M35-39 | 166 | 8:22:09 | 8:53:10 | 9:21:34 | 9:50:47 | 10:49:57 | 8:21:32 |
| M40-44 | 223 | 8:38:13 | 8:54:30 | 9:22:58 | 9:56:43 | 11:02:25 | 8:31:06 |
| M45-49 | 194 | 8:49:46 | 9:39:48 | 9:59:01 | 10:25:29 | 11:24:43 | 8:48:24 |
| M50-54 | 171 | 9:03:11 | 9:45:45 | 10:08:49 | 10:42:05 | 11:46:18 | 9:01:46 |
| M55-59 | 83 | 9:48:01 | 10:09:20 | 10:35:54 | 10:57:53 | 12:11:34 | 9:48:01 |
| M60-64 | 35 | 9:59:48 | 10:40:03 | 11:22:16 | 11:31:04 | 12:22:31 | 9:59:48 |
| M65-69 | 7 | 10:30:55 | 10:30:55 | 10:30:55 | 11:31:48 | 12:44:35 | 10:30:55 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 206 | 9:04:00 | 9:50:29 | 10:22:16 | 11:05:57 | 12:12:10 | 8:21:48 |
| FPRO | 7 | 8:21:48 | 8:21:48 | 8:21:48 | 8:59:42 | 9:14:18 | 8:21:48 |
| F18-24 | 7 | 10:04:55 | 10:04:55 | 10:04:55 | 10:20:57 | 11:19:20 | 10:04:55 |
| F25-29 | 21 | 9:46:48 | 10:02:18 | 10:17:50 | 10:48:25 | 11:39:22 | 9:46:48 |
| F30-34 | 34 | 9:28:59 | 9:50:29 | 10:23:57 | 10:51:20 | 11:46:51 | 9:28:59 |
| F35-39 | 25 | 10:22:44 | 10:41:23 | 10:45:22 | 11:08:53 | 11:48:52 | 10:22:44 |
| F40-44 | 35 | 9:55:50 | 10:09:41 | 10:29:23 | 10:49:13 | 12:28:40 | 9:55:50 |
| F45-49 | 31 | 9:50:45 | 10:49:08 | 11:08:00 | 11:31:37 | 12:11:57 | 9:50:45 |
| F50-54 | 23 | 9:48:57 | 10:08:28 | 11:48:37 | 12:13:32 | 13:01:10 | 9:48:57 |
| F55-59 | 18 | 11:04:23 | 11:04:23 | 12:11:36 | 12:31:11 | 14:02:39 | 11:04:23 |
| F60-64 | 5 | 11:19:23 | 11:19:23 | 11:19:23 | 11:19:23 | 13:53:07 | 11:19:23 |
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.