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 | 2,135 | 8:53:29 | 9:25:47 | 9:46:11 | 10:14:45 | 11:21:34 | 8:04:18 |
| MPRO | 32 | 8:04:18 | 8:09:54 | 8:14:45 | 8:24:23 | 9:07:15 | 8:04:18 |
| M18-24 | 27 | 9:15:05 | 9:44:13 | 9:51:07 | 10:12:44 | 11:24:48 | 9:15:05 |
| M25-29 | 121 | 8:52:38 | 9:14:07 | 9:39:22 | 9:57:22 | 10:59:57 | 8:42:13 |
| M30-34 | 248 | 9:00:38 | 9:13:52 | 9:29:00 | 9:47:11 | 10:43:20 | 8:37:37 |
| M35-39 | 370 | 8:50:41 | 9:18:24 | 9:32:51 | 9:54:04 | 10:53:34 | 8:38:01 |
| M40-44 | 473 | 9:11:45 | 9:30:00 | 9:50:38 | 10:13:03 | 11:15:36 | 8:42:16 |
| M45-49 | 425 | 9:27:15 | 9:50:18 | 10:03:25 | 10:34:39 | 11:37:25 | 8:55:04 |
| M50-54 | 299 | 9:34:49 | 10:13:09 | 10:30:31 | 11:02:43 | 12:20:10 | 9:27:00 |
| M55-59 | 98 | 9:45:02 | 10:26:36 | 10:35:50 | 11:07:49 | 12:06:56 | 9:45:02 |
| M60-64 | 29 | 10:50:36 | 10:58:57 | 11:00:51 | 11:31:21 | 13:21:08 | 10:50:36 |
| M65-69 | 12 | 12:09:32 | 12:09:32 | 13:05:28 | 13:34:01 | 14:20:36 | 12:09:32 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 273 | 9:17:20 | 10:10:15 | 10:32:37 | 11:14:34 | 12:38:28 | 8:41:17 |
| FPRO | 7 | 8:41:17 | 8:41:17 | 8:41:17 | 8:57:23 | 9:34:51 | 8:41:17 |
| F25-29 | 18 | 10:06:47 | 10:06:47 | 10:30:59 | 11:14:04 | 12:18:38 | 10:06:47 |
| F30-34 | 40 | 9:53:00 | 10:06:54 | 10:23:01 | 10:46:22 | 12:17:53 | 9:53:00 |
| F35-39 | 55 | 9:40:01 | 10:11:46 | 10:45:30 | 10:57:15 | 12:20:55 | 9:40:01 |
| F40-44 | 63 | 10:19:19 | 10:26:00 | 10:30:30 | 11:33:04 | 12:34:04 | 10:19:19 |
| F45-49 | 50 | 10:24:16 | 10:54:21 | 11:24:02 | 11:47:13 | 13:15:12 | 10:24:16 |
| F50-54 | 25 | 10:48:06 | 10:55:04 | 11:59:31 | 12:11:46 | 14:14:20 | 10:48:06 |
| F55-59 | 9 | 12:16:06 | 12:16:06 | 12:16:06 | 12:49:17 | 13:58:09 | 12:16:06 |
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.