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 | 1,511 | 4:13:06 | 4:33:53 | 4:43:58 | 4:58:08 | 5:29:12 | 3:52:45 |
| MPRO | 31 | 3:52:45 | 3:54:33 | 4:01:26 | 4:06:13 | 4:16:23 | 3:52:45 |
| M18-24 | 40 | 4:13:49 | 4:20:59 | 4:25:52 | 4:41:59 | 5:17:37 | 4:13:49 |
| M25-29 | 124 | 4:13:57 | 4:21:12 | 4:34:21 | 4:45:53 | 5:11:44 | 4:12:54 |
| M30-34 | 237 | 4:22:54 | 4:33:29 | 4:42:25 | 4:55:32 | 5:23:34 | 4:20:36 |
| M35-39 | 284 | 4:29:00 | 4:38:36 | 4:44:16 | 4:56:25 | 5:26:41 | 4:19:11 |
| M40-44 | 276 | 4:27:35 | 4:39:17 | 4:49:31 | 5:01:42 | 5:27:51 | 4:25:32 |
| M45-49 | 260 | 4:29:09 | 4:40:35 | 4:53:04 | 5:05:20 | 5:29:59 | 4:14:35 |
| M50-54 | 177 | 4:36:18 | 4:51:01 | 4:59:01 | 5:13:33 | 5:42:30 | 4:29:54 |
| M55-59 | 54 | 4:47:34 | 5:19:11 | 5:23:51 | 5:31:46 | 5:51:44 | 4:47:34 |
| M60-64 | 20 | 5:08:43 | 5:08:43 | 5:24:41 | 5:30:55 | 6:05:24 | 5:08:43 |
| M65-69 | 7 | 6:01:06 | 6:01:06 | 6:01:06 | 6:01:42 | 6:38:59 | 6:01:06 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 239 | 4:23:25 | 4:46:23 | 5:07:15 | 5:26:50 | 6:01:17 | 4:22:33 |
| FPRO | 14 | 4:22:33 | 4:22:33 | 4:23:20 | 4:23:25 | 4:41:06 | 4:22:33 |
| F25-29 | 30 | 5:02:22 | 5:07:15 | 5:10:23 | 5:18:45 | 5:52:19 | 5:02:22 |
| F30-34 | 35 | 4:35:22 | 4:45:59 | 5:22:00 | 5:26:50 | 6:04:29 | 4:35:22 |
| F35-39 | 41 | 4:40:40 | 4:56:37 | 5:08:31 | 5:18:29 | 5:53:35 | 4:40:40 |
| F40-44 | 54 | 5:13:00 | 5:19:15 | 5:24:05 | 5:36:16 | 5:59:48 | 5:13:00 |
| F45-49 | 37 | 5:14:28 | 5:19:05 | 5:34:02 | 5:41:27 | 6:13:43 | 5:14:28 |
| F50-54 | 14 | 5:46:13 | 5:46:13 | 6:03:44 | 6:04:10 | 6:39:55 | 5:46:13 |
| F55-59 | 9 | 5:50:30 | 5:50:30 | 5:50:30 | 6:17:20 | 6:31:49 | 5:50:30 |
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.