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 | 1,537 | 4:04:11 | 4:37:14 | 4:51:58 | 5:13:57 | 6:00:39 | 3:45:39 |
| MPRO | 24 | 3:45:39 | 3:47:22 | 3:48:21 | 3:55:19 | 4:02:08 | 3:45:39 |
| M18-24 | 38 | 4:30:53 | 4:56:38 | 5:13:48 | 5:28:23 | 6:18:34 | 4:30:53 |
| M25-29 | 125 | 4:10:27 | 4:27:16 | 4:39:25 | 5:09:45 | 6:00:41 | 4:10:08 |
| M30-34 | 232 | 4:24:32 | 4:46:04 | 4:54:45 | 5:12:00 | 5:46:10 | 4:21:58 |
| M35-39 | 283 | 4:10:18 | 4:39:59 | 4:48:46 | 5:09:22 | 5:59:29 | 3:58:26 |
| M40-44 | 310 | 4:23:33 | 4:39:38 | 4:51:27 | 5:04:18 | 5:48:01 | 4:11:54 |
| M45-49 | 249 | 4:32:29 | 4:51:03 | 5:02:49 | 5:21:31 | 6:12:29 | 4:20:54 |
| M50-54 | 142 | 4:27:14 | 4:56:08 | 5:16:22 | 5:33:15 | 6:21:11 | 4:25:44 |
| M55-59 | 88 | 4:33:52 | 4:57:08 | 5:17:31 | 5:25:32 | 6:24:22 | 4:33:52 |
| M60-64 | 28 | 4:58:53 | 5:15:09 | 5:16:25 | 5:45:15 | 6:13:27 | 4:58:53 |
| M65-69 | 14 | 5:33:32 | 5:33:32 | 5:54:29 | 6:14:51 | 7:07:09 | 5:33:32 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 603 | 4:21:28 | 4:48:49 | 5:10:07 | 5:38:25 | 6:31:37 | 4:07:52 |
| FPRO | 21 | 4:07:52 | 4:13:50 | 4:17:58 | 4:20:19 | 4:29:38 | 4:07:52 |
| F18-24 | 14 | 4:41:11 | 4:41:11 | 4:45:16 | 5:18:11 | 6:11:10 | 4:41:11 |
| F25-29 | 67 | 4:25:27 | 4:49:04 | 5:02:58 | 5:34:29 | 6:38:36 | 4:25:27 |
| F30-34 | 89 | 5:03:50 | 5:15:38 | 5:31:18 | 5:50:13 | 6:46:41 | 5:03:50 |
| F35-39 | 115 | 4:33:15 | 4:53:29 | 5:05:36 | 5:34:05 | 6:21:08 | 4:23:37 |
| F40-44 | 129 | 4:51:20 | 5:10:16 | 5:21:16 | 5:38:15 | 6:26:06 | 4:45:52 |
| F45-49 | 84 | 4:44:10 | 5:12:04 | 5:32:28 | 5:47:49 | 6:30:33 | 4:44:10 |
| F50-54 | 41 | 5:23:01 | 5:38:25 | 5:49:13 | 5:58:10 | 6:41:21 | 5:23:01 |
| F55-59 | 31 | 4:56:36 | 5:37:29 | 5:44:54 | 5:58:44 | 6:53:17 | 4:56:36 |
| F60-64 | 7 | 5:40:48 | 5:40:48 | 5:40:48 | 6:01:55 | 6:17:32 | 5:40:48 |
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.