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 | 2,140 | 4:27:48 | 4:53:41 | 5:04:50 | 5:20:41 | 5:53:45 | 4:04:14 |
| MPRO | 36 | 4:04:14 | 4:06:51 | 4:10:12 | 4:13:51 | 4:25:52 | 4:04:14 |
| M18-24 | 31 | 4:50:43 | 4:52:53 | 4:55:47 | 5:09:47 | 5:39:20 | 4:50:43 |
| M25-29 | 168 | 4:39:10 | 4:48:23 | 5:01:09 | 5:14:16 | 5:45:23 | 4:37:48 |
| M30-34 | 330 | 4:40:26 | 4:54:17 | 5:01:30 | 5:14:04 | 5:45:50 | 4:29:04 |
| M35-39 | 401 | 4:39:38 | 4:50:49 | 5:02:58 | 5:19:13 | 5:47:30 | 4:19:00 |
| M40-44 | 429 | 4:46:35 | 4:57:50 | 5:07:31 | 5:21:51 | 5:54:42 | 4:29:42 |
| M45-49 | 376 | 4:49:29 | 5:06:03 | 5:14:46 | 5:26:13 | 5:54:53 | 4:45:00 |
| M50-54 | 244 | 4:59:40 | 5:07:46 | 5:21:08 | 5:38:59 | 6:07:14 | 4:56:31 |
| M55-59 | 94 | 5:00:22 | 5:14:23 | 5:24:56 | 5:40:37 | 6:12:01 | 5:00:22 |
| M60-64 | 20 | 5:10:26 | 5:10:26 | 5:52:29 | 6:02:22 | 6:33:09 | 5:10:26 |
| M65-69 | 10 | 5:53:02 | 5:53:02 | 5:53:02 | 6:10:23 | 6:41:08 | 5:53:02 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 425 | 4:43:41 | 5:13:34 | 5:27:49 | 5:46:46 | 6:27:36 | 4:32:38 |
| FPRO | 15 | 4:32:38 | 4:32:38 | 4:35:35 | 4:40:58 | 4:45:37 | 4:32:38 |
| F18-24 | 5 | 5:26:20 | 5:26:20 | 5:26:20 | 5:26:20 | 6:14:44 | 5:26:20 |
| F25-29 | 46 | 5:00:25 | 5:21:53 | 5:36:06 | 5:44:54 | 6:07:30 | 5:00:25 |
| F30-34 | 77 | 5:14:05 | 5:18:40 | 5:24:08 | 5:39:33 | 6:14:33 | 5:14:05 |
| F35-39 | 78 | 5:08:54 | 5:19:33 | 5:35:24 | 5:49:57 | 6:18:47 | 5:08:54 |
| F40-44 | 83 | 5:09:10 | 5:33:56 | 5:40:36 | 6:03:31 | 6:41:14 | 5:09:10 |
| F45-49 | 63 | 5:09:04 | 5:26:07 | 5:36:29 | 6:02:09 | 6:29:04 | 5:09:04 |
| F50-54 | 40 | 5:38:01 | 5:47:09 | 6:06:30 | 6:14:20 | 6:43:07 | 5:38:01 |
| F55-59 | 14 | 6:04:04 | 6:04:04 | 6:09:55 | 6:21:47 | 7:03:05 | 6:04:04 |
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.