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 | 915 | 3:56:48 | 4:24:11 | 4:34:39 | 4:48:51 | 5:22:09 | 3:43:46 |
| MPRO | 23 | 3:43:46 | 3:49:48 | 3:51:08 | 3:52:07 | 3:57:50 | 3:43:46 |
| M18-24 | 36 | 4:16:22 | 4:17:14 | 4:21:19 | 4:37:09 | 5:14:12 | 4:16:22 |
| M25-29 | 86 | 4:04:16 | 4:24:16 | 4:33:23 | 4:44:27 | 5:14:50 | 4:04:16 |
| M30-34 | 135 | 4:19:58 | 4:27:47 | 4:36:52 | 4:46:11 | 5:11:21 | 4:18:43 |
| M35-39 | 148 | 4:17:49 | 4:32:15 | 4:36:08 | 4:46:11 | 5:19:08 | 4:05:23 |
| M40-44 | 130 | 4:19:20 | 4:30:04 | 4:31:39 | 4:47:05 | 5:18:45 | 4:16:20 |
| M45-49 | 139 | 4:24:11 | 4:32:49 | 4:37:28 | 4:51:58 | 5:24:55 | 4:20:31 |
| M50-54 | 141 | 4:23:06 | 4:37:29 | 4:50:12 | 5:03:26 | 5:35:51 | 4:21:31 |
| M55-59 | 55 | 4:38:27 | 4:54:33 | 5:01:13 | 5:12:03 | 5:42:41 | 4:38:27 |
| M60-64 | 15 | 5:07:23 | 5:07:23 | 5:18:47 | 5:23:59 | 6:03:20 | 5:07:23 |
| M65-69 | 7 | 5:21:30 | 5:21:30 | 5:21:30 | 5:40:00 | 5:45:47 | 5:21:30 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 207 | 4:25:59 | 4:46:42 | 5:03:53 | 5:22:43 | 5:53:41 | 4:16:37 |
| FPRO | 8 | 4:16:37 | 4:16:37 | 4:16:37 | 4:19:41 | 4:28:41 | 4:16:37 |
| F18-24 | 11 | 4:42:10 | 4:42:10 | 4:46:05 | 4:46:42 | 5:28:58 | 4:42:10 |
| F25-29 | 27 | 4:54:46 | 4:58:56 | 4:59:29 | 5:11:08 | 5:33:41 | 4:54:46 |
| F30-34 | 38 | 4:38:44 | 4:41:03 | 5:17:19 | 5:32:00 | 5:52:23 | 4:38:44 |
| F35-39 | 36 | 5:02:28 | 5:07:22 | 5:17:43 | 5:39:28 | 5:58:43 | 5:02:28 |
| F40-44 | 30 | 5:07:10 | 5:10:37 | 5:12:27 | 5:22:43 | 6:05:18 | 5:07:10 |
| F45-49 | 30 | 4:55:52 | 5:23:24 | 5:26:33 | 5:29:12 | 5:40:33 | 4:55:52 |
| F50-54 | 19 | 5:04:29 | 5:04:29 | 5:22:45 | 5:26:34 | 5:53:53 | 5:04:29 |
| F55-59 | 5 | 5:50:43 | 5:50:43 | 5:50:43 | 5:50:43 | 6:01:35 | 5:50:43 |
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.