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 | 3,761 | 3:47:44 | 4:21:12 | 4:34:30 | 4:51:23 | 5:26:25 | 3:34:35 |
| MPRO | 115 | 3:35:43 | 3:38:05 | 3:42:39 | 3:45:10 | 3:52:03 | 3:34:35 |
| M18-24 | 153 | 4:08:42 | 4:25:45 | 4:32:20 | 4:47:41 | 5:30:07 | 4:04:24 |
| M25-29 | 386 | 4:11:34 | 4:23:49 | 4:34:46 | 4:48:11 | 5:25:03 | 3:57:53 |
| M30-34 | 562 | 4:07:08 | 4:23:42 | 4:32:35 | 4:49:10 | 5:24:37 | 3:59:57 |
| M35-39 | 533 | 4:13:46 | 4:23:49 | 4:31:57 | 4:45:26 | 5:20:29 | 3:51:15 |
| M40-44 | 543 | 4:17:40 | 4:31:55 | 4:38:15 | 4:52:55 | 5:24:40 | 4:07:29 |
| M45-49 | 524 | 4:27:14 | 4:33:40 | 4:42:00 | 4:54:48 | 5:24:55 | 4:17:54 |
| M50-54 | 462 | 4:26:12 | 4:43:44 | 4:50:39 | 5:04:26 | 5:33:56 | 4:14:44 |
| M55-59 | 295 | 4:33:37 | 4:47:38 | 4:57:18 | 5:08:17 | 5:38:31 | 4:15:08 |
| M60-64 | 127 | 4:45:02 | 4:53:40 | 5:03:31 | 5:18:48 | 5:58:14 | 4:38:34 |
| M65-69 | 47 | 4:50:16 | 5:14:31 | 5:22:24 | 5:34:04 | 6:24:47 | 4:50:16 |
| M70-74 | 14 | 5:26:40 | 5:26:40 | 5:27:58 | 5:30:55 | 6:35:00 | 5:26:40 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 707 | 4:09:58 | 4:30:31 | 4:54:33 | 5:16:44 | 5:57:17 | 4:05:36 |
| FPRO | 45 | 4:05:36 | 4:07:36 | 4:08:30 | 4:11:33 | 4:19:46 | 4:05:36 |
| F18-24 | 32 | 4:40:15 | 4:53:16 | 4:54:22 | 5:13:26 | 5:43:52 | 4:40:15 |
| F25-29 | 75 | 4:35:04 | 4:48:10 | 5:00:33 | 5:10:17 | 5:45:16 | 4:35:04 |
| F30-34 | 108 | 4:22:55 | 4:42:38 | 5:02:10 | 5:13:45 | 5:42:48 | 4:21:46 |
| F35-39 | 76 | 4:36:11 | 5:00:06 | 5:16:29 | 5:30:58 | 5:59:08 | 4:36:11 |
| F40-44 | 104 | 4:54:33 | 5:03:30 | 5:13:38 | 5:24:49 | 5:58:02 | 4:48:17 |
| F45-49 | 97 | 4:45:59 | 4:56:06 | 5:03:34 | 5:23:01 | 5:51:11 | 4:45:59 |
| F50-54 | 88 | 4:51:46 | 5:11:43 | 5:17:18 | 5:33:26 | 6:28:40 | 4:51:46 |
| F55-59 | 58 | 5:14:08 | 5:28:55 | 5:39:19 | 5:43:50 | 6:22:13 | 5:14:08 |
| F60-64 | 18 | 5:32:54 | 5:32:54 | 6:01:08 | 6:21:13 | 6:59:56 | 5:32:54 |
| F65-69 | 5 | 6:32:25 | 6:32:25 | 6:32:25 | 6:32:25 | 7:18:41 | 6:32:25 |
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.