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 | 736 | 3:55:53 | 4:26:24 | 4:35:52 | 4:51:36 | 5:24:08 | 3:45:22 |
| MPRO | 13 | 3:45:22 | 3:45:22 | 3:49:37 | 3:49:59 | 3:52:22 | 3:45:22 |
| M18-24 | 28 | 4:11:39 | 4:19:47 | 4:21:09 | 4:41:55 | 5:04:42 | 4:11:39 |
| M25-29 | 57 | 4:10:35 | 4:16:56 | 4:35:19 | 4:47:56 | 5:14:58 | 4:10:35 |
| M30-34 | 115 | 4:16:13 | 4:23:56 | 4:29:51 | 4:43:59 | 5:19:27 | 4:13:43 |
| M35-39 | 113 | 4:15:05 | 4:27:53 | 4:35:41 | 4:44:32 | 5:24:01 | 4:09:48 |
| M40-44 | 130 | 4:28:02 | 4:33:59 | 4:40:41 | 4:56:40 | 5:32:10 | 4:09:54 |
| M45-49 | 113 | 4:12:35 | 4:33:19 | 4:40:01 | 4:52:59 | 5:24:03 | 4:06:00 |
| M50-54 | 77 | 4:16:19 | 4:42:16 | 4:50:06 | 5:01:32 | 5:24:02 | 4:16:19 |
| M55-59 | 55 | 4:53:15 | 5:00:39 | 5:02:19 | 5:05:20 | 5:35:03 | 4:53:15 |
| M60-64 | 18 | 4:30:18 | 4:30:18 | 4:55:08 | 5:31:03 | 5:39:15 | 4:30:18 |
| M65-69 | 14 | 4:57:14 | 4:57:14 | 5:12:23 | 5:16:30 | 6:05:23 | 4:57:14 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 270 | 4:12:22 | 4:47:22 | 4:59:30 | 5:16:37 | 5:48:57 | 4:09:55 |
| FPRO | 6 | 4:09:55 | 4:09:55 | 4:09:55 | 4:10:54 | 4:12:22 | 4:09:55 |
| F18-24 | 14 | 4:47:22 | 4:47:22 | 4:57:45 | 5:02:58 | 5:33:52 | 4:47:22 |
| F25-29 | 34 | 4:35:44 | 4:39:14 | 5:10:34 | 5:14:41 | 5:34:33 | 4:35:44 |
| F30-34 | 40 | 4:33:32 | 4:42:48 | 4:46:57 | 4:54:13 | 5:53:12 | 4:33:32 |
| F35-39 | 49 | 4:51:21 | 5:03:44 | 5:05:23 | 5:29:03 | 6:08:14 | 4:51:21 |
| F40-44 | 55 | 4:46:58 | 4:58:46 | 5:05:39 | 5:15:52 | 5:46:04 | 4:46:58 |
| F45-49 | 34 | 4:53:23 | 4:57:33 | 5:11:00 | 5:14:53 | 5:46:59 | 4:53:23 |
| F50-54 | 22 | 5:15:42 | 5:16:20 | 5:16:59 | 5:26:33 | 5:59:18 | 5:15:42 |
| F55-59 | 10 | 5:37:23 | 5:37:23 | 5:37:23 | 5:38:41 | 5:46:02 | 5:37:23 |
| F60-64 | 5 | 5:16:14 | 5:16:14 | 5:16:14 | 5:16:14 | 5:32:19 | 5:16:14 |
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.