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 | 1,051 | 4:02:28 | 4:28:31 | 4:37:05 | 4:49:48 | 5:21:24 | 3:39:59 |
| MPRO | 20 | 3:39:59 | 3:39:59 | 3:47:08 | 3:51:16 | 4:01:42 | 3:39:59 |
| M18-24 | 33 | 4:09:21 | 4:28:55 | 4:38:31 | 4:49:39 | 5:08:21 | 4:09:21 |
| M25-29 | 67 | 4:03:04 | 4:18:52 | 4:33:11 | 4:45:13 | 5:22:33 | 4:03:04 |
| M30-34 | 173 | 4:17:25 | 4:30:38 | 4:35:25 | 4:44:15 | 5:15:23 | 4:06:46 |
| M35-39 | 238 | 4:13:09 | 4:29:34 | 4:40:38 | 4:50:40 | 5:16:40 | 4:10:49 |
| M40-44 | 257 | 4:22:40 | 4:33:40 | 4:41:15 | 4:51:38 | 5:21:51 | 4:11:30 |
| M45-49 | 144 | 4:27:08 | 4:38:28 | 4:45:09 | 4:57:33 | 5:33:46 | 4:22:11 |
| M50-54 | 79 | 4:17:59 | 4:37:54 | 4:50:21 | 4:57:44 | 5:28:48 | 4:17:59 |
| M55-59 | 22 | 4:30:47 | 4:46:57 | 4:58:52 | 5:09:29 | 5:27:22 | 4:30:47 |
| M60-64 | 14 | 4:58:08 | 4:58:08 | 5:27:37 | 5:28:24 | 5:54:02 | 4:58:08 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 316 | 4:29:29 | 4:41:12 | 4:52:11 | 5:07:23 | 5:37:49 | 4:23:18 |
| FPRO | 7 | 4:23:18 | 4:23:18 | 4:23:18 | 4:24:17 | 4:38:22 | 4:23:18 |
| F18-24 | 7 | 4:35:38 | 4:35:38 | 4:35:38 | 5:02:39 | 5:24:19 | 4:35:38 |
| F25-29 | 43 | 4:35:55 | 4:44:21 | 4:47:20 | 4:57:56 | 5:33:21 | 4:35:55 |
| F30-34 | 64 | 4:36:12 | 4:44:07 | 4:53:45 | 5:08:00 | 5:37:31 | 4:36:12 |
| F35-39 | 60 | 4:27:42 | 4:39:21 | 4:46:42 | 5:00:50 | 5:39:17 | 4:27:42 |
| F40-44 | 71 | 4:34:22 | 4:45:00 | 4:56:38 | 5:10:44 | 5:39:04 | 4:34:22 |
| F45-49 | 37 | 4:45:54 | 4:52:11 | 5:03:45 | 5:15:35 | 5:46:29 | 4:45:54 |
| F50-54 | 15 | 5:03:01 | 5:03:01 | 5:13:37 | 5:27:51 | 6:08:22 | 5:03:01 |
| F55-59 | 8 | 5:24:04 | 5:24:04 | 5:24:04 | 5:27:11 | 5:32:41 | 5:24:04 |
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.