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 | 2,397 | 4:18:19 | 4:39:28 | 4:51:23 | 5:05:18 | 5:36:43 | 3:51:38 |
| MPRO | 32 | 3:51:38 | 3:53:33 | 3:56:20 | 4:02:47 | 4:12:13 | 3:51:38 |
| M18-24 | 45 | 4:29:57 | 4:53:29 | 4:55:33 | 5:00:09 | 5:39:04 | 4:29:57 |
| M25-29 | 228 | 4:15:51 | 4:34:01 | 4:49:43 | 5:01:59 | 5:31:47 | 4:09:40 |
| M30-34 | 370 | 4:20:28 | 4:36:13 | 4:46:09 | 4:55:41 | 5:24:40 | 4:16:58 |
| M35-39 | 467 | 4:25:17 | 4:36:36 | 4:46:07 | 4:58:36 | 5:31:22 | 4:18:59 |
| M40-44 | 477 | 4:36:23 | 4:49:14 | 4:57:37 | 5:07:54 | 5:38:18 | 4:18:19 |
| M45-49 | 422 | 4:35:28 | 4:53:02 | 5:02:19 | 5:15:13 | 5:42:16 | 4:25:18 |
| M50-54 | 220 | 4:37:19 | 4:52:29 | 5:04:42 | 5:19:28 | 5:46:24 | 4:30:40 |
| M55-59 | 93 | 4:32:55 | 4:53:23 | 5:07:51 | 5:27:47 | 5:55:29 | 4:32:55 |
| M60-64 | 29 | 5:12:41 | 5:15:25 | 5:18:19 | 5:27:15 | 6:09:44 | 5:12:41 |
| M65-69 | 8 | 5:21:40 | 5:21:40 | 5:21:40 | 5:39:12 | 6:36:06 | 5:21:40 |
| M70-74 | 6 | 5:41:06 | 5:41:06 | 5:41:06 | 5:51:21 | 5:58:59 | 5:41:06 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 518 | 4:33:38 | 5:00:39 | 5:16:03 | 5:31:46 | 6:03:17 | 4:18:50 |
| FPRO | 13 | 4:18:50 | 4:18:50 | 4:27:58 | 4:29:32 | 4:38:47 | 4:18:50 |
| F18-24 | 18 | 4:55:34 | 4:55:34 | 4:56:17 | 5:11:37 | 6:01:57 | 4:55:34 |
| F25-29 | 54 | 4:53:58 | 4:56:54 | 5:13:34 | 5:29:40 | 5:57:39 | 4:53:58 |
| F30-34 | 92 | 4:45:43 | 4:58:45 | 5:13:48 | 5:28:45 | 5:55:59 | 4:45:43 |
| F35-39 | 105 | 4:51:41 | 5:07:07 | 5:16:37 | 5:30:14 | 5:58:35 | 4:44:13 |
| F40-44 | 92 | 4:52:48 | 5:14:11 | 5:22:45 | 5:32:02 | 6:02:48 | 4:52:48 |
| F45-49 | 85 | 4:56:07 | 5:21:35 | 5:29:32 | 5:41:40 | 6:13:41 | 4:56:07 |
| F50-54 | 41 | 5:25:42 | 5:32:24 | 5:42:41 | 5:51:32 | 6:18:52 | 5:25:42 |
| F55-59 | 13 | 5:14:06 | 5:14:06 | 5:30:43 | 5:32:26 | 6:27:53 | 5:14:06 |
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.