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 | 1,341 | 4:05:54 | 4:26:42 | 4:38:24 | 5:01:25 | 5:48:36 | 3:47:27 |
| MPRO | 19 | 3:47:27 | 3:47:27 | 3:47:32 | 3:52:51 | 4:01:40 | 3:47:27 |
| M18-24 | 31 | 4:11:47 | 4:19:17 | 4:36:48 | 4:45:24 | 5:26:51 | 4:11:47 |
| M25-29 | 118 | 4:09:58 | 4:19:06 | 4:23:43 | 4:38:16 | 5:30:34 | 4:05:54 |
| M30-34 | 171 | 4:08:53 | 4:25:48 | 4:32:41 | 4:58:50 | 5:47:10 | 4:08:44 |
| M35-39 | 212 | 4:16:33 | 4:27:21 | 4:37:05 | 4:59:39 | 5:36:08 | 4:13:25 |
| M40-44 | 282 | 4:19:29 | 4:31:43 | 4:44:38 | 5:03:38 | 5:44:30 | 4:05:43 |
| M45-49 | 207 | 4:20:17 | 4:32:23 | 4:45:20 | 5:04:31 | 5:52:41 | 4:15:26 |
| M50-54 | 148 | 4:31:32 | 4:46:52 | 4:53:35 | 5:10:34 | 5:55:55 | 4:29:24 |
| M55-59 | 87 | 4:29:45 | 4:46:00 | 4:56:37 | 5:25:39 | 6:10:36 | 4:29:45 |
| M60-64 | 29 | 4:59:37 | 4:59:42 | 5:04:15 | 5:22:43 | 6:41:27 | 4:59:37 |
| M65-69 | 21 | 5:04:26 | 5:16:08 | 5:55:37 | 6:08:24 | 6:36:47 | 5:04:26 |
| M70-74 | 9 | 5:59:36 | 5:59:36 | 5:59:36 | 6:03:24 | 6:15:14 | 5:59:36 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 640 | 4:27:08 | 4:43:36 | 4:59:38 | 5:20:57 | 6:17:17 | 4:11:03 |
| FPRO | 21 | 4:11:03 | 4:11:39 | 4:17:37 | 4:23:39 | 4:30:59 | 4:11:03 |
| F18-24 | 18 | 5:09:19 | 5:09:19 | 5:11:22 | 5:38:25 | 6:13:30 | 5:09:19 |
| F25-29 | 53 | 4:34:32 | 4:39:00 | 4:55:32 | 5:06:35 | 5:54:25 | 4:34:32 |
| F30-34 | 96 | 4:35:26 | 4:41:03 | 4:58:15 | 5:16:14 | 6:11:59 | 4:35:26 |
| F35-39 | 123 | 4:37:14 | 4:49:20 | 4:55:28 | 5:22:36 | 6:04:23 | 4:32:06 |
| F40-44 | 120 | 4:41:17 | 4:50:47 | 5:09:44 | 5:33:56 | 6:23:53 | 4:37:42 |
| F45-49 | 79 | 4:46:30 | 5:03:24 | 5:26:31 | 5:46:40 | 6:28:25 | 4:46:30 |
| F50-54 | 72 | 4:45:21 | 5:07:59 | 5:19:19 | 5:34:45 | 6:21:07 | 4:45:21 |
| F55-59 | 41 | 5:01:39 | 5:05:48 | 5:17:22 | 5:56:09 | 6:33:15 | 5:01:39 |
| F60-64 | 9 | 5:39:50 | 5:39:50 | 5:39:50 | 5:48:55 | 7:21:59 | 5:39:50 |
| F65-69 | 5 | 6:38:59 | 6:38:59 | 6:38:59 | 6:38:59 | 8:10:04 | 6:38:59 |
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.