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 | 1,379 | 4:08:07 | 4:40:20 | 4:51:58 | 5:08:02 | 5:49:02 | 3:52:02 |
| MPRO | 21 | 3:52:02 | 3:54:19 | 3:55:06 | 3:56:39 | 4:04:46 | 3:52:02 |
| M18-24 | 37 | 4:41:56 | 4:46:50 | 4:47:16 | 5:05:43 | 5:43:40 | 4:41:56 |
| M25-29 | 119 | 4:17:40 | 4:33:54 | 4:42:02 | 5:05:46 | 5:39:45 | 4:07:29 |
| M30-34 | 241 | 4:19:32 | 4:41:23 | 4:50:59 | 5:00:40 | 5:39:23 | 4:12:58 |
| M35-39 | 356 | 4:28:58 | 4:39:23 | 4:52:34 | 5:07:12 | 5:46:23 | 4:11:59 |
| M40-44 | 272 | 4:33:46 | 4:48:41 | 4:54:00 | 5:08:19 | 5:47:32 | 4:15:10 |
| M45-49 | 169 | 4:41:15 | 4:55:06 | 5:07:27 | 5:21:58 | 5:58:18 | 4:37:34 |
| M50-54 | 94 | 4:48:08 | 5:00:12 | 5:12:13 | 5:33:39 | 6:10:53 | 4:48:08 |
| M55-59 | 40 | 4:57:58 | 5:13:39 | 5:37:08 | 5:51:33 | 6:28:47 | 4:57:58 |
| M60-64 | 17 | 5:40:26 | 5:40:26 | 5:42:57 | 5:47:55 | 6:07:11 | 5:40:26 |
| M65-69 | 8 | 5:39:36 | 5:39:36 | 5:39:36 | 6:16:13 | 6:59:03 | 5:39:36 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 513 | 4:31:17 | 5:00:06 | 5:15:47 | 5:34:10 | 6:16:45 | 4:22:04 |
| FPRO | 17 | 4:22:04 | 4:22:04 | 4:26:10 | 4:28:00 | 4:36:16 | 4:22:04 |
| F18-24 | 21 | 4:47:02 | 4:57:13 | 5:07:09 | 5:21:13 | 6:14:05 | 4:47:02 |
| F25-29 | 54 | 4:56:54 | 5:06:15 | 5:16:58 | 5:35:35 | 6:05:53 | 4:56:54 |
| F30-34 | 106 | 4:52:19 | 5:01:58 | 5:16:38 | 5:30:33 | 6:06:34 | 4:36:50 |
| F35-39 | 117 | 4:59:55 | 5:04:44 | 5:18:04 | 5:36:47 | 6:14:18 | 4:54:57 |
| F40-44 | 102 | 5:05:00 | 5:17:43 | 5:26:52 | 5:37:14 | 6:14:32 | 4:54:22 |
| F45-49 | 50 | 5:28:33 | 5:40:12 | 5:45:56 | 5:52:25 | 6:37:30 | 5:28:33 |
| F50-54 | 22 | 5:12:55 | 5:27:56 | 5:38:49 | 5:53:36 | 6:26:07 | 5:12:55 |
| F55-59 | 18 | 5:30:08 | 5:30:08 | 5:42:09 | 5:59:29 | 6:48:55 | 5:30:08 |
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.