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 | 1,785 | 4:15:20 | 4:43:48 | 4:55:37 | 5:13:56 | 5:49:39 | 3:47:15 |
| MPRO | 15 | 3:47:15 | 3:47:15 | 3:49:34 | 3:51:54 | 4:02:41 | 3:47:15 |
| M18-24 | 66 | 4:23:50 | 4:32:00 | 4:44:36 | 5:02:45 | 5:32:30 | 4:23:50 |
| M25-29 | 188 | 4:26:44 | 4:41:04 | 4:50:10 | 5:07:29 | 5:40:35 | 4:07:53 |
| M30-34 | 256 | 4:21:30 | 4:31:42 | 4:49:18 | 5:02:53 | 5:38:21 | 4:15:06 |
| M35-39 | 358 | 4:22:15 | 4:41:54 | 4:54:20 | 5:11:24 | 5:43:34 | 4:06:11 |
| M40-44 | 415 | 4:25:11 | 4:51:58 | 5:01:15 | 5:19:54 | 5:51:20 | 4:16:32 |
| M45-49 | 234 | 4:29:11 | 4:53:40 | 5:03:41 | 5:25:43 | 5:59:14 | 4:25:20 |
| M50-54 | 153 | 4:52:47 | 5:09:30 | 5:22:52 | 5:34:43 | 6:05:04 | 4:42:54 |
| M55-59 | 67 | 4:46:03 | 5:06:17 | 5:15:14 | 5:40:47 | 6:05:18 | 4:46:03 |
| M60-64 | 22 | 5:18:33 | 5:39:55 | 5:46:22 | 6:00:27 | 6:29:06 | 5:18:33 |
| M65-69 | 10 | 5:35:56 | 5:35:56 | 5:35:56 | 5:37:36 | 6:45:47 | 5:35:56 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 832 | 4:45:21 | 5:11:57 | 5:23:31 | 5:38:59 | 6:14:50 | 4:19:31 |
| FPRO | 8 | 4:19:31 | 4:19:31 | 4:19:31 | 4:25:54 | 4:29:57 | 4:19:31 |
| F18-24 | 32 | 5:07:06 | 5:25:44 | 5:32:43 | 5:41:58 | 6:15:57 | 5:07:06 |
| F25-29 | 87 | 4:37:37 | 4:57:00 | 5:12:16 | 5:23:29 | 6:14:20 | 4:37:37 |
| F30-34 | 135 | 4:58:44 | 5:11:16 | 5:20:06 | 5:35:43 | 6:10:04 | 4:53:49 |
| F35-39 | 158 | 4:52:46 | 5:12:40 | 5:24:21 | 5:35:06 | 6:07:51 | 4:47:04 |
| F40-44 | 177 | 4:58:11 | 5:16:15 | 5:29:21 | 5:42:29 | 6:11:45 | 4:50:07 |
| F45-49 | 130 | 5:12:49 | 5:29:06 | 5:33:46 | 5:51:27 | 6:23:22 | 5:02:55 |
| F50-54 | 75 | 5:06:31 | 5:12:02 | 5:25:05 | 5:39:19 | 6:35:21 | 5:06:31 |
| F55-59 | 23 | 5:46:48 | 5:47:56 | 5:54:16 | 6:05:58 | 6:41:11 | 5:46:48 |
| F60-64 | 5 | 5:55:36 | 5:55:36 | 5:55:36 | 5:55:36 | 6:59:21 | 5:55:36 |
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.