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 | 1,335 | 4:28:31 | 4:51:52 | 5:07:45 | 5:26:02 | 5:59:05 | 4:08:36 |
| MPRO | 16 | 4:08:36 | 4:08:36 | 4:10:19 | 4:17:01 | 4:24:51 | 4:08:36 |
| M18-24 | 65 | 4:24:49 | 4:41:38 | 4:49:41 | 5:00:01 | 5:35:19 | 4:24:49 |
| M25-29 | 167 | 4:33:39 | 4:39:22 | 4:49:46 | 5:09:55 | 5:47:04 | 4:29:24 |
| M30-34 | 236 | 4:28:21 | 4:52:01 | 5:02:03 | 5:23:18 | 5:49:29 | 4:20:23 |
| M35-39 | 227 | 4:51:52 | 5:02:01 | 5:11:41 | 5:28:54 | 5:52:56 | 4:28:31 |
| M40-44 | 268 | 4:38:38 | 5:11:53 | 5:23:36 | 5:37:31 | 6:03:52 | 4:30:10 |
| M45-49 | 197 | 4:50:16 | 5:04:06 | 5:17:52 | 5:34:27 | 6:08:27 | 4:43:22 |
| M50-54 | 102 | 5:00:33 | 5:15:19 | 5:24:45 | 5:34:50 | 6:14:42 | 4:58:32 |
| M55-59 | 38 | 5:05:59 | 5:13:31 | 5:20:10 | 5:49:36 | 6:28:36 | 5:05:59 |
| M60-64 | 9 | 5:42:54 | 5:42:54 | 5:42:54 | 5:58:11 | 6:15:31 | 5:42:54 |
| M65-69 | 6 | 6:03:42 | 6:03:42 | 6:03:42 | 6:06:31 | 6:23:58 | 6:03:42 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 209 | 4:51:39 | 5:02:56 | 5:15:31 | 5:39:29 | 6:17:08 | 4:45:47 |
| FPRO | 19 | 4:45:47 | 4:45:47 | 4:50:54 | 4:52:27 | 5:02:56 | 4:45:47 |
| F18-24 | 12 | 5:08:16 | 5:08:16 | 5:17:21 | 5:33:29 | 5:52:02 | 5:08:16 |
| F25-29 | 29 | 5:14:56 | 5:16:00 | 5:18:36 | 5:42:02 | 6:16:11 | 5:14:56 |
| F30-34 | 42 | 5:02:06 | 5:12:34 | 5:25:54 | 5:40:31 | 6:06:08 | 5:02:06 |
| F35-39 | 34 | 5:15:31 | 5:17:18 | 5:23:36 | 5:51:14 | 6:30:14 | 5:15:31 |
| F40-44 | 24 | 5:42:02 | 5:54:43 | 5:56:02 | 6:10:46 | 6:21:15 | 5:42:02 |
| F45-49 | 30 | 5:18:08 | 5:38:17 | 5:39:29 | 6:00:54 | 6:26:39 | 5:18:08 |
| F50-54 | 13 | 5:50:07 | 5:50:07 | 6:02:53 | 6:13:28 | 6:59:32 | 5:50:07 |
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.