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 | 1,489 | 3:57:02 | 4:26:51 | 4:42:57 | 5:02:35 | 5:50:15 | 3:43:44 |
| MPRO | 35 | 3:43:44 | 3:45:40 | 3:46:48 | 3:49:33 | 3:58:54 | 3:43:44 |
| M18-24 | 43 | 4:03:11 | 4:15:58 | 4:32:12 | 4:48:55 | 6:17:26 | 4:03:11 |
| M25-29 | 140 | 4:02:29 | 4:08:31 | 4:18:09 | 4:42:45 | 5:42:32 | 3:59:58 |
| M30-34 | 196 | 4:03:14 | 4:31:47 | 4:39:49 | 4:56:23 | 5:48:55 | 3:55:02 |
| M35-39 | 261 | 4:22:57 | 4:34:06 | 4:44:11 | 4:56:40 | 5:35:46 | 4:09:57 |
| M40-44 | 283 | 4:25:45 | 4:42:33 | 4:52:27 | 5:10:11 | 5:55:00 | 4:06:48 |
| M45-49 | 245 | 4:31:34 | 4:49:00 | 4:59:14 | 5:14:36 | 5:49:28 | 4:15:32 |
| M50-54 | 166 | 4:30:30 | 4:44:02 | 4:54:21 | 5:14:07 | 5:54:34 | 4:22:40 |
| M55-59 | 69 | 4:49:33 | 5:11:35 | 5:22:40 | 5:32:51 | 6:15:20 | 4:49:33 |
| M60-64 | 31 | 5:01:05 | 5:03:16 | 5:29:26 | 5:48:31 | 6:41:45 | 5:01:05 |
| M65-69 | 17 | 5:15:21 | 5:15:21 | 5:52:32 | 6:16:53 | 6:48:44 | 5:15:21 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 607 | 4:23:05 | 4:45:21 | 5:08:54 | 5:37:31 | 6:29:22 | 4:07:55 |
| FPRO | 23 | 4:07:55 | 4:09:50 | 4:09:59 | 4:14:58 | 4:30:36 | 4:07:55 |
| F18-24 | 16 | 5:03:51 | 5:03:51 | 5:05:55 | 5:38:41 | 5:59:19 | 5:03:51 |
| F25-29 | 75 | 4:42:29 | 4:49:02 | 5:06:36 | 5:27:01 | 6:27:34 | 4:42:29 |
| F30-34 | 82 | 4:37:54 | 4:48:48 | 4:56:16 | 5:38:36 | 6:29:54 | 4:37:54 |
| F35-39 | 106 | 4:38:32 | 4:53:55 | 5:10:06 | 5:28:00 | 6:19:01 | 4:32:45 |
| F40-44 | 122 | 5:02:49 | 5:10:07 | 5:14:57 | 5:35:24 | 6:28:22 | 4:58:38 |
| F45-49 | 96 | 4:38:32 | 5:19:00 | 5:39:25 | 5:57:24 | 6:38:12 | 4:38:32 |
| F50-54 | 36 | 5:19:09 | 5:34:02 | 5:51:35 | 5:55:21 | 6:37:40 | 5:19:09 |
| F55-59 | 35 | 5:25:36 | 5:35:33 | 5:43:26 | 6:01:58 | 6:37:54 | 5:25:36 |
| F60-64 | 13 | 6:10:35 | 6:10:35 | 6:13:58 | 6:16:14 | 6:52:24 | 6:10:35 |
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.