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 | 575 | 4:10:01 | 4:54:44 | 5:11:37 | 5:29:12 | 6:09:48 | 3:59:46 |
| MPRO | 12 | 3:59:46 | 3:59:46 | 4:02:30 | 4:05:20 | 4:10:01 | 3:59:46 |
| M18-24 | 24 | 4:26:31 | 4:42:50 | 4:50:30 | 5:19:03 | 6:02:02 | 4:26:31 |
| M25-29 | 64 | 4:49:39 | 5:02:10 | 5:08:21 | 5:19:28 | 6:00:54 | 4:49:39 |
| M30-34 | 105 | 4:50:30 | 5:06:01 | 5:17:46 | 5:37:23 | 6:12:13 | 4:41:46 |
| M35-39 | 159 | 4:34:39 | 4:59:18 | 5:19:35 | 5:35:35 | 6:11:40 | 4:31:59 |
| M40-44 | 112 | 4:42:34 | 5:02:39 | 5:15:40 | 5:30:59 | 6:13:28 | 4:37:12 |
| M45-49 | 53 | 4:45:27 | 5:03:27 | 5:12:10 | 5:30:07 | 6:03:51 | 4:45:27 |
| M50-54 | 34 | 5:15:46 | 5:16:36 | 5:27:27 | 5:55:55 | 6:34:34 | 5:15:46 |
| M55-59 | 7 | 5:15:20 | 5:15:20 | 5:15:20 | 5:38:21 | 5:47:01 | 5:15:20 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 120 | 4:27:01 | 4:54:12 | 5:17:08 | 5:40:18 | 6:28:40 | 4:25:34 |
| FPRO | 10 | 4:25:34 | 4:25:34 | 4:25:34 | 4:27:01 | 4:52:26 | 4:25:34 |
| F18-24 | 6 | 5:41:50 | 5:41:50 | 5:41:50 | 6:00:35 | 6:42:33 | 5:41:50 |
| F25-29 | 15 | 5:40:18 | 5:40:18 | 5:46:22 | 5:59:25 | 6:36:21 | 5:40:18 |
| F30-34 | 28 | 5:20:19 | 5:24:18 | 5:29:01 | 5:43:14 | 6:27:43 | 5:20:19 |
| F35-39 | 34 | 5:14:14 | 5:17:08 | 5:24:05 | 5:44:47 | 6:42:11 | 5:14:14 |
| F40-44 | 14 | 5:07:25 | 5:07:25 | 5:45:56 | 5:46:57 | 6:22:39 | 5:07:25 |
| F45-49 | 8 | 4:58:21 | 4:58:21 | 4:58:21 | 5:28:29 | 6:28:40 | 4:58:21 |
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.