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 | 1,035 | 4:03:46 | 4:37:48 | 4:50:13 | 5:10:50 | 5:48:47 | 3:42:07 |
| MPRO | 16 | 3:42:07 | 3:42:07 | 3:50:54 | 3:54:48 | 4:00:38 | 3:42:07 |
| M18-24 | 39 | 4:09:41 | 4:16:25 | 4:49:30 | 5:03:06 | 5:37:54 | 4:09:41 |
| M25-29 | 105 | 4:15:33 | 4:31:12 | 4:41:39 | 5:08:43 | 5:50:56 | 4:07:27 |
| M30-34 | 109 | 4:10:49 | 4:33:42 | 4:48:58 | 5:07:44 | 5:42:42 | 4:07:49 |
| M35-39 | 173 | 4:08:35 | 4:33:52 | 4:44:10 | 5:08:16 | 5:44:10 | 4:07:57 |
| M40-44 | 175 | 4:32:22 | 4:43:06 | 4:50:56 | 5:12:13 | 5:44:17 | 4:29:56 |
| M45-49 | 166 | 4:32:07 | 4:46:10 | 4:53:59 | 5:16:22 | 5:54:26 | 4:25:37 |
| M50-54 | 141 | 4:38:12 | 4:52:27 | 4:59:59 | 5:12:34 | 5:49:52 | 4:28:26 |
| M55-59 | 63 | 4:23:03 | 4:57:05 | 5:06:48 | 5:21:28 | 6:05:08 | 4:23:03 |
| M60-64 | 26 | 4:47:27 | 4:58:56 | 5:01:33 | 5:29:11 | 6:08:10 | 4:47:27 |
| M65-69 | 15 | 5:21:43 | 5:21:43 | 5:26:53 | 5:48:05 | 6:42:10 | 5:21:43 |
| M70-74 | 5 | 6:25:31 | 6:25:31 | 6:25:31 | 6:25:31 | 6:53:26 | 6:25:31 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 181 | 4:29:11 | 4:49:49 | 5:09:13 | 5:32:06 | 6:18:11 | 4:22:39 |
| FPRO | 9 | 4:22:39 | 4:22:39 | 4:22:39 | 4:29:11 | 4:33:49 | 4:22:39 |
| F18-24 | 10 | 4:49:49 | 4:49:49 | 4:49:49 | 5:03:07 | 5:52:19 | 4:49:49 |
| F25-29 | 18 | 4:52:43 | 4:52:43 | 5:18:38 | 5:32:06 | 6:34:37 | 4:52:43 |
| F30-34 | 23 | 4:45:19 | 4:47:15 | 4:57:54 | 5:25:38 | 6:17:40 | 4:45:19 |
| F35-39 | 32 | 5:04:23 | 5:07:01 | 5:11:29 | 5:22:48 | 6:08:18 | 5:04:23 |
| F40-44 | 23 | 5:30:05 | 5:33:10 | 5:34:26 | 5:42:35 | 6:10:44 | 5:30:05 |
| F45-49 | 37 | 5:21:13 | 5:32:14 | 5:35:21 | 5:53:18 | 6:27:08 | 5:21:13 |
| F50-54 | 15 | 4:58:14 | 4:58:14 | 5:28:45 | 5:33:48 | 5:58:42 | 4:58:14 |
| F55-59 | 9 | 5:22:49 | 5:22:49 | 5:22:49 | 5:49:31 | 7:07:13 | 5:22:49 |
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.