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 | 1,115 | 4:16:56 | 4:41:39 | 5:00:53 | 5:18:39 | 6:05:36 | 3:58:17 |
| MPRO | 20 | 3:58:17 | 3:58:17 | 3:59:51 | 4:03:15 | 4:15:37 | 3:58:17 |
| M18-24 | 18 | 4:41:34 | 4:41:34 | 4:52:45 | 5:02:41 | 5:30:10 | 4:41:34 |
| M25-29 | 89 | 4:19:34 | 4:39:43 | 4:47:07 | 5:11:43 | 5:56:32 | 4:19:34 |
| M30-34 | 144 | 4:21:42 | 4:42:56 | 5:02:56 | 5:12:26 | 5:53:10 | 4:19:07 |
| M35-39 | 227 | 4:22:21 | 4:38:51 | 4:56:32 | 5:15:46 | 5:57:51 | 4:15:37 |
| M40-44 | 249 | 4:35:45 | 4:51:59 | 5:04:12 | 5:20:04 | 6:05:27 | 4:26:33 |
| M45-49 | 174 | 4:42:12 | 4:57:05 | 5:10:18 | 5:27:58 | 6:08:30 | 4:37:08 |
| M50-54 | 103 | 4:50:49 | 5:01:56 | 5:09:48 | 5:25:33 | 6:16:51 | 4:40:36 |
| M55-59 | 47 | 5:03:34 | 5:18:01 | 5:32:54 | 5:38:48 | 6:21:02 | 5:03:34 |
| M60-64 | 30 | 5:16:38 | 5:39:59 | 5:40:04 | 6:23:19 | 6:54:19 | 5:16:38 |
| M65-69 | 7 | 6:14:15 | 6:14:15 | 6:14:15 | 6:55:20 | 7:08:56 | 6:14:15 |
| M70-74 | 6 | 6:00:35 | 6:00:35 | 6:00:35 | 6:26:31 | 6:42:53 | 6:00:35 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 471 | 4:35:55 | 5:00:27 | 5:13:41 | 5:35:16 | 6:18:01 | 4:20:01 |
| FPRO | 9 | 4:20:01 | 4:20:01 | 4:20:01 | 4:25:22 | 4:38:26 | 4:20:01 |
| F18-24 | 6 | 5:34:13 | 5:34:13 | 5:34:13 | 5:39:50 | 6:11:28 | 5:34:13 |
| F25-29 | 62 | 4:35:55 | 4:55:57 | 5:02:43 | 5:22:52 | 6:26:36 | 4:35:55 |
| F30-34 | 80 | 4:39:26 | 4:50:06 | 5:00:11 | 5:19:08 | 5:57:55 | 4:39:26 |
| F35-39 | 94 | 4:51:07 | 5:09:51 | 5:17:15 | 5:30:33 | 6:20:30 | 4:51:07 |
| F40-44 | 99 | 4:58:09 | 5:08:36 | 5:16:17 | 5:42:51 | 6:21:50 | 4:58:09 |
| F45-49 | 60 | 5:01:21 | 5:07:46 | 5:20:12 | 5:37:20 | 6:13:38 | 5:01:21 |
| F50-54 | 37 | 5:05:25 | 5:33:41 | 5:44:46 | 5:51:32 | 6:31:31 | 5:05:25 |
| F55-59 | 16 | 5:50:18 | 5:50:18 | 5:51:06 | 5:56:03 | 6:36:06 | 5:50:18 |
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.