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 | 559 | 3:43:54 | 4:03:32 | 4:17:08 | 4:32:57 | 5:12:33 | 3:39:28 |
| MPRO | 26 | 3:39:28 | 3:40:38 | 3:41:02 | 3:43:54 | 3:46:01 | 3:39:28 |
| M18-24 | 29 | 5:02:41 | 5:03:45 | 5:06:43 | 5:36:20 | 5:58:15 | 5:02:41 |
| M25-29 | 58 | 4:03:32 | 4:08:07 | 4:16:25 | 4:30:20 | 5:38:33 | 4:03:32 |
| M30-34 | 86 | 3:53:47 | 4:10:31 | 4:13:58 | 4:31:17 | 4:57:46 | 3:53:47 |
| M35-39 | 78 | 4:06:54 | 4:14:38 | 4:20:58 | 4:35:42 | 5:05:34 | 4:06:54 |
| M40-44 | 105 | 4:17:08 | 4:18:13 | 4:23:23 | 4:30:26 | 5:12:23 | 4:14:42 |
| M45-49 | 85 | 4:13:54 | 4:23:14 | 4:29:27 | 4:37:11 | 5:08:10 | 4:13:54 |
| M50-54 | 52 | 4:13:14 | 4:15:57 | 4:24:33 | 4:44:58 | 5:20:16 | 4:13:14 |
| M55-59 | 24 | 4:36:11 | 4:37:51 | 4:44:00 | 4:50:02 | 5:14:45 | 4:36:11 |
| M60-64 | 12 | 4:56:53 | 4:56:53 | 5:15:35 | 5:16:53 | 5:51:57 | 4:56:53 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 121 | 4:07:17 | 4:15:02 | 4:26:14 | 4:55:55 | 5:30:15 | 4:05:10 |
| FPRO | 13 | 4:05:10 | 4:05:10 | 4:07:17 | 4:07:36 | 4:15:02 | 4:05:10 |
| F18-24 | 5 | 4:39:21 | 4:39:21 | 4:39:21 | 4:39:21 | 5:13:17 | 4:39:21 |
| F25-29 | 15 | 4:44:41 | 4:44:41 | 4:49:50 | 5:09:32 | 5:45:09 | 4:44:41 |
| F30-34 | 20 | 4:34:33 | 4:34:33 | 4:41:15 | 4:55:55 | 5:27:40 | 4:34:33 |
| F35-39 | 27 | 4:29:30 | 4:51:36 | 4:56:59 | 5:05:32 | 5:34:35 | 4:29:30 |
| F40-44 | 17 | 4:34:03 | 4:34:03 | 4:55:55 | 5:12:03 | 5:31:47 | 4:34:03 |
| F45-49 | 15 | 5:00:07 | 5:00:07 | 5:08:10 | 5:16:45 | 5:34:41 | 5:00:07 |
| F50-54 | 6 | 5:10:16 | 5:10:16 | 5:10:16 | 5:15:02 | 5:34:25 | 5:10:16 |
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.