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 | 1,601 | 3:39:19 | 4:01:41 | 4:15:43 | 4:34:48 | 5:14:46 | 3:21:42 |
| MPRO | 20 | 3:21:42 | 3:21:42 | 3:22:34 | 3:26:50 | 3:34:43 | 3:21:42 |
| M18-24 | 40 | 3:37:56 | 3:38:24 | 4:01:09 | 4:15:25 | 5:00:33 | 3:37:56 |
| M25-29 | 146 | 3:42:47 | 3:51:03 | 4:03:52 | 4:25:26 | 5:03:19 | 3:39:19 |
| M30-34 | 234 | 3:41:21 | 3:52:40 | 4:04:51 | 4:23:21 | 5:08:42 | 3:38:17 |
| M35-39 | 258 | 3:48:31 | 4:04:36 | 4:17:09 | 4:31:34 | 5:09:27 | 3:45:08 |
| M40-44 | 234 | 3:55:22 | 4:07:30 | 4:22:17 | 4:38:58 | 5:13:13 | 3:48:42 |
| M45-49 | 265 | 3:57:12 | 4:10:39 | 4:23:50 | 4:36:02 | 5:14:43 | 3:48:52 |
| M50-54 | 185 | 4:04:48 | 4:16:39 | 4:29:41 | 4:44:34 | 5:29:33 | 3:59:19 |
| M55-59 | 124 | 4:11:34 | 4:24:34 | 4:34:14 | 4:54:25 | 5:29:48 | 3:57:06 |
| M60-64 | 62 | 4:10:22 | 4:36:43 | 4:38:32 | 4:56:44 | 5:43:25 | 4:10:22 |
| M65-69 | 26 | 4:41:02 | 4:47:45 | 5:08:36 | 5:24:23 | 5:48:39 | 4:41:02 |
| M70-74 | 5 | 5:13:37 | 5:13:37 | 5:13:37 | 5:13:37 | 5:55:56 | 5:13:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 884 | 4:01:10 | 4:28:13 | 4:43:22 | 5:04:24 | 5:41:31 | 3:43:21 |
| FPRO | 12 | 3:43:21 | 3:43:21 | 3:45:20 | 3:46:30 | 3:56:17 | 3:43:21 |
| F18-24 | 29 | 4:36:29 | 4:44:13 | 4:45:27 | 4:52:13 | 5:33:32 | 4:36:29 |
| F25-29 | 76 | 4:06:26 | 4:13:46 | 4:23:51 | 4:53:17 | 5:26:39 | 4:06:26 |
| F30-34 | 116 | 4:01:57 | 4:17:20 | 4:45:44 | 5:10:37 | 5:42:11 | 4:01:10 |
| F35-39 | 143 | 4:13:56 | 4:26:24 | 4:32:36 | 4:54:45 | 5:31:46 | 4:08:34 |
| F40-44 | 121 | 4:20:34 | 4:34:56 | 4:51:03 | 5:09:59 | 5:35:38 | 4:09:56 |
| F45-49 | 151 | 4:24:20 | 4:35:53 | 4:47:37 | 5:13:30 | 5:50:52 | 4:18:23 |
| F50-54 | 110 | 4:34:09 | 4:45:04 | 4:51:25 | 5:16:00 | 5:48:41 | 4:18:53 |
| F55-59 | 77 | 4:24:26 | 4:43:02 | 4:58:04 | 5:18:29 | 6:02:30 | 4:24:26 |
| F60-64 | 32 | 5:01:11 | 5:02:20 | 5:14:21 | 5:19:48 | 5:47:02 | 5:01:11 |
| F65-69 | 13 | 5:05:04 | 5:05:04 | 5:59:19 | 6:07:15 | 6:33:16 | 5:05:04 |
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.