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 | 1,645 | 4:11:23 | 4:35:38 | 4:50:00 | 5:10:55 | 5:49:41 | 3:52:16 |
| MPRO | 29 | 3:52:16 | 3:53:28 | 3:56:37 | 4:00:43 | 4:10:00 | 3:52:16 |
| M18-24 | 104 | 4:12:21 | 4:24:25 | 4:35:38 | 4:59:35 | 5:39:00 | 4:08:50 |
| M25-29 | 260 | 4:17:31 | 4:26:16 | 4:44:17 | 5:04:32 | 5:46:00 | 4:13:38 |
| M30-34 | 358 | 4:19:06 | 4:41:36 | 4:50:00 | 5:11:14 | 5:50:32 | 4:17:59 |
| M35-39 | 210 | 4:26:05 | 4:37:51 | 4:48:01 | 5:04:19 | 5:44:15 | 4:19:56 |
| M40-44 | 207 | 4:28:05 | 4:48:17 | 4:56:56 | 5:15:11 | 5:48:16 | 4:23:53 |
| M45-49 | 218 | 4:37:39 | 4:48:36 | 5:00:36 | 5:20:57 | 5:56:18 | 4:15:56 |
| M50-54 | 148 | 4:41:58 | 4:58:14 | 5:06:45 | 5:23:04 | 5:53:59 | 4:37:14 |
| M55-59 | 70 | 4:36:51 | 5:05:46 | 5:11:51 | 5:31:35 | 6:10:04 | 4:36:51 |
| M60-64 | 29 | 5:10:48 | 5:24:58 | 5:28:14 | 5:38:43 | 6:35:42 | 5:10:48 |
| M65-69 | 10 | 5:36:28 | 5:36:28 | 5:36:28 | 5:46:31 | 6:17:18 | 5:36:28 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 239 | 4:25:30 | 4:58:41 | 5:19:54 | 5:34:18 | 6:17:05 | 4:19:56 |
| FPRO | 7 | 4:19:56 | 4:19:56 | 4:19:56 | 4:25:15 | 4:34:19 | 4:19:56 |
| F18-24 | 27 | 4:54:11 | 5:03:37 | 5:18:38 | 5:43:55 | 6:26:01 | 4:54:11 |
| F25-29 | 58 | 4:45:06 | 4:58:41 | 5:09:03 | 5:35:50 | 6:17:07 | 4:45:06 |
| F30-34 | 42 | 4:51:55 | 5:17:20 | 5:22:39 | 5:35:15 | 6:11:50 | 4:51:55 |
| F35-39 | 25 | 4:38:29 | 5:04:57 | 5:08:50 | 5:23:39 | 6:04:02 | 4:38:29 |
| F40-44 | 27 | 5:27:04 | 5:28:36 | 5:33:29 | 5:35:28 | 6:15:19 | 5:27:04 |
| F45-49 | 25 | 5:23:28 | 5:33:54 | 5:37:19 | 5:47:42 | 6:22:02 | 5:23:28 |
| F50-54 | 19 | 5:29:03 | 5:29:03 | 5:32:27 | 5:49:37 | 6:36:10 | 5:29:03 |
| F55-59 | 9 | 5:29:09 | 5:29:09 | 5:29:09 | 5:44:51 | 6:07:18 | 5:29:09 |
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.