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 | 1,508 | 4:23:27 | 4:44:03 | 4:57:29 | 5:17:37 | 5:55:48 | 3:59:22 |
| MPRO | 11 | 3:59:22 | 3:59:22 | 4:01:35 | 4:01:45 | 4:05:05 | 3:59:22 |
| M18-24 | 48 | 4:14:24 | 4:25:23 | 4:31:39 | 4:49:17 | 5:44:33 | 4:14:24 |
| M25-29 | 178 | 4:25:37 | 4:36:48 | 4:52:26 | 5:17:17 | 5:45:40 | 4:15:57 |
| M30-34 | 220 | 4:27:10 | 4:41:34 | 4:47:21 | 5:07:12 | 5:42:31 | 4:24:34 |
| M35-39 | 268 | 4:22:54 | 4:42:02 | 4:57:02 | 5:15:02 | 5:49:48 | 4:15:36 |
| M40-44 | 265 | 4:38:32 | 4:52:05 | 5:00:11 | 5:18:45 | 5:54:00 | 4:24:12 |
| M45-49 | 273 | 4:35:35 | 4:53:04 | 5:01:34 | 5:21:35 | 6:04:08 | 4:34:05 |
| M50-54 | 150 | 4:47:05 | 4:56:44 | 5:11:05 | 5:34:02 | 6:08:49 | 4:38:30 |
| M55-59 | 70 | 5:00:41 | 5:25:55 | 5:35:44 | 5:52:45 | 6:29:57 | 5:00:41 |
| M60-64 | 13 | 5:25:10 | 5:25:10 | 5:36:32 | 6:02:36 | 6:39:00 | 5:25:10 |
| M65-69 | 7 | 5:47:04 | 5:47:04 | 5:47:04 | 6:01:08 | 6:54:18 | 5:47:04 |
| M70-74 | 5 | 5:50:13 | 5:50:13 | 5:50:13 | 5:50:13 | 7:37:17 | 5:50:13 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 362 | 4:30:46 | 5:07:37 | 5:19:57 | 5:36:49 | 6:24:29 | 4:16:53 |
| FPRO | 9 | 4:16:53 | 4:16:53 | 4:16:53 | 4:25:01 | 4:33:11 | 4:16:53 |
| F18-24 | 13 | 4:57:41 | 4:57:41 | 5:24:20 | 5:35:38 | 6:11:38 | 4:57:41 |
| F25-29 | 60 | 4:59:24 | 5:05:44 | 5:17:32 | 5:29:22 | 6:10:42 | 4:59:24 |
| F30-34 | 53 | 4:56:18 | 5:11:50 | 5:24:30 | 5:31:26 | 6:17:27 | 4:56:18 |
| F35-39 | 59 | 5:00:00 | 5:07:37 | 5:14:42 | 5:50:45 | 6:32:05 | 5:00:00 |
| F40-44 | 71 | 4:59:37 | 5:10:45 | 5:24:49 | 5:37:25 | 6:33:41 | 4:59:37 |
| F45-49 | 49 | 5:02:55 | 5:22:29 | 5:35:45 | 5:47:46 | 6:18:36 | 5:02:55 |
| F50-54 | 33 | 5:29:03 | 5:33:54 | 5:38:26 | 6:03:09 | 6:58:09 | 5:29:03 |
| F55-59 | 11 | 5:14:10 | 5:14:10 | 5:43:25 | 5:43:37 | 6:28:40 | 5:14:10 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.