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 | 1,307 | 4:30:06 | 4:59:21 | 5:20:17 | 5:44:23 | 6:30:12 | 3:56:51 |
| MPRO | 12 | 3:56:51 | 3:56:51 | 3:58:21 | 4:02:47 | 4:10:33 | 3:56:51 |
| M18-24 | 43 | 4:59:21 | 5:12:13 | 5:16:30 | 5:36:25 | 6:09:28 | 4:59:21 |
| M25-29 | 147 | 4:30:53 | 4:57:19 | 5:24:34 | 5:48:09 | 6:31:11 | 4:24:57 |
| M30-34 | 286 | 4:41:26 | 5:02:37 | 5:22:22 | 5:49:59 | 6:34:44 | 4:22:47 |
| M35-39 | 244 | 4:36:12 | 4:58:18 | 5:18:50 | 5:39:09 | 6:27:10 | 4:28:24 |
| M40-44 | 270 | 4:37:39 | 5:11:16 | 5:25:02 | 5:53:23 | 6:30:11 | 4:26:47 |
| M45-49 | 165 | 4:35:31 | 4:53:08 | 5:19:21 | 5:36:22 | 6:26:56 | 4:35:01 |
| M50-54 | 93 | 4:42:36 | 4:58:21 | 5:04:07 | 5:38:45 | 6:33:59 | 4:42:36 |
| M55-59 | 26 | 5:19:42 | 5:33:06 | 5:39:19 | 5:47:54 | 6:20:43 | 5:19:42 |
| M60-64 | 13 | 5:31:10 | 5:31:10 | 5:57:16 | 6:04:17 | 6:42:54 | 5:31:10 |
| M65-69 | 5 | 5:28:07 | 5:28:07 | 5:28:07 | 5:28:07 | 6:06:26 | 5:28:07 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 213 | 4:36:12 | 5:04:03 | 5:32:42 | 6:04:05 | 6:49:53 | 4:24:03 |
| FPRO | 7 | 4:24:03 | 4:24:03 | 4:24:03 | 4:32:33 | 4:38:25 | 4:24:03 |
| F18-24 | 12 | 5:32:42 | 5:32:42 | 5:39:24 | 5:56:02 | 6:45:34 | 5:32:42 |
| F25-29 | 29 | 4:51:08 | 4:54:37 | 5:15:12 | 5:52:29 | 6:36:39 | 4:51:08 |
| F30-34 | 46 | 5:14:59 | 5:27:55 | 6:09:55 | 6:30:45 | 7:13:04 | 5:14:59 |
| F35-39 | 30 | 4:50:03 | 5:06:51 | 5:11:32 | 5:39:16 | 6:33:00 | 4:50:03 |
| F40-44 | 42 | 5:04:03 | 5:17:14 | 5:59:34 | 6:13:13 | 7:05:37 | 5:04:03 |
| F45-49 | 22 | 5:37:50 | 5:40:13 | 6:02:40 | 6:18:24 | 6:45:28 | 5:37:50 |
| F50-54 | 15 | 5:38:27 | 5:38:27 | 5:40:11 | 5:50:41 | 6:32:06 | 5:38:27 |
| F55-59 | 7 | 5:41:59 | 5:41:59 | 5:41:59 | 6:16:01 | 7:26:55 | 5:41:59 |
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.