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 | 1,764 | 4:13:08 | 4:34:44 | 4:45:44 | 4:59:43 | 5:33:05 | 3:49:14 |
| MPRO | 14 | 3:49:14 | 3:49:14 | 3:50:38 | 3:52:29 | 4:00:16 | 3:49:14 |
| M18-24 | 45 | 4:30:26 | 4:39:11 | 4:39:59 | 4:51:15 | 5:49:54 | 4:30:26 |
| M25-29 | 150 | 4:17:37 | 4:35:12 | 4:49:55 | 5:07:27 | 5:35:33 | 4:16:27 |
| M30-34 | 263 | 4:09:22 | 4:25:48 | 4:34:32 | 4:48:02 | 5:26:47 | 4:07:54 |
| M35-39 | 353 | 4:27:07 | 4:39:41 | 4:46:06 | 4:58:19 | 5:25:59 | 4:09:22 |
| M40-44 | 411 | 4:21:29 | 4:40:02 | 4:47:23 | 5:00:53 | 5:32:47 | 4:11:09 |
| M45-49 | 244 | 4:27:15 | 4:39:49 | 4:51:41 | 5:05:09 | 5:31:14 | 4:13:22 |
| M50-54 | 152 | 4:26:30 | 4:47:06 | 4:57:07 | 5:14:12 | 5:42:16 | 4:25:46 |
| M55-59 | 90 | 4:46:53 | 4:57:57 | 5:10:03 | 5:23:10 | 5:51:15 | 4:46:53 |
| M60-64 | 29 | 4:52:02 | 5:04:49 | 5:15:01 | 5:41:00 | 6:13:06 | 4:52:02 |
| M65-69 | 11 | 5:20:38 | 5:20:38 | 5:35:44 | 5:48:35 | 6:26:17 | 5:20:38 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 906 | 4:31:55 | 5:02:39 | 5:12:36 | 5:29:10 | 5:59:44 | 4:06:56 |
| FPRO | 11 | 4:06:56 | 4:06:56 | 4:13:07 | 4:20:15 | 4:25:05 | 4:06:56 |
| F18-24 | 28 | 5:05:08 | 5:06:00 | 5:06:19 | 5:20:47 | 5:41:44 | 5:05:08 |
| F25-29 | 128 | 4:51:29 | 5:02:30 | 5:13:30 | 5:29:20 | 5:57:10 | 4:46:24 |
| F30-34 | 167 | 4:46:08 | 5:05:25 | 5:12:42 | 5:33:19 | 6:01:08 | 4:36:43 |
| F35-39 | 167 | 4:49:22 | 5:02:09 | 5:14:45 | 5:29:45 | 6:07:09 | 4:43:13 |
| F40-44 | 202 | 4:42:52 | 5:04:21 | 5:13:36 | 5:28:09 | 5:55:38 | 4:37:05 |
| F45-49 | 117 | 4:56:37 | 5:06:57 | 5:12:27 | 5:24:49 | 5:53:50 | 4:44:37 |
| F50-54 | 51 | 4:54:37 | 5:16:55 | 5:21:08 | 5:33:08 | 6:17:53 | 4:54:37 |
| F55-59 | 28 | 5:32:41 | 5:52:11 | 5:54:16 | 5:59:44 | 6:18:58 | 5:32:41 |
| F60-64 | 6 | 6:16:32 | 6:16:32 | 6:16:32 | 6:19:32 | 6:25:50 | 6:16:32 |
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.