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 | 1,138 | 4:27:06 | 4:56:40 | 5:08:49 | 5:33:19 | 6:20:51 | 4:07:34 |
| M18-24 | 77 | 4:17:17 | 4:40:58 | 5:02:18 | 5:23:36 | 6:08:16 | 4:17:17 |
| M25-29 | 143 | 4:27:06 | 4:51:02 | 4:59:29 | 5:30:05 | 6:16:47 | 4:07:34 |
| M30-34 | 171 | 4:23:57 | 4:57:01 | 5:09:54 | 5:37:54 | 6:28:47 | 4:20:21 |
| M35-39 | 202 | 4:45:19 | 4:59:05 | 5:05:11 | 5:32:14 | 6:13:32 | 4:26:06 |
| M40-44 | 154 | 4:22:30 | 4:41:06 | 5:04:03 | 5:22:45 | 6:15:41 | 4:15:18 |
| M45-49 | 135 | 4:50:38 | 5:02:57 | 5:10:55 | 5:33:19 | 6:22:04 | 4:48:59 |
| M50-54 | 116 | 4:56:11 | 5:04:36 | 5:23:42 | 5:34:28 | 6:29:31 | 4:30:47 |
| M55-59 | 68 | 4:25:55 | 5:14:10 | 5:20:37 | 5:36:33 | 6:25:19 | 4:25:55 |
| M60-64 | 51 | 5:03:20 | 5:12:11 | 5:23:54 | 5:45:36 | 6:41:10 | 5:03:20 |
| M65-69 | 16 | 5:48:03 | 5:48:03 | 5:54:27 | 6:34:25 | 7:14:22 | 5:48:03 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 351 | 5:02:47 | 5:17:03 | 5:38:48 | 6:02:07 | 6:56:46 | 4:47:06 |
| F18-24 | 33 | 5:06:19 | 5:49:52 | 5:49:56 | 6:11:52 | 6:51:03 | 5:06:19 |
| F25-29 | 47 | 4:47:06 | 5:09:18 | 5:18:07 | 5:54:29 | 6:57:11 | 4:47:06 |
| F30-34 | 43 | 5:03:00 | 5:16:14 | 5:31:21 | 6:04:19 | 6:40:52 | 5:03:00 |
| F35-39 | 57 | 4:57:32 | 5:23:55 | 5:36:22 | 5:57:20 | 6:37:27 | 4:57:32 |
| F40-44 | 52 | 4:51:50 | 5:07:33 | 5:23:13 | 5:51:45 | 6:50:21 | 4:51:50 |
| F45-49 | 50 | 5:07:03 | 5:28:39 | 5:37:40 | 5:57:45 | 6:46:27 | 5:07:03 |
| F50-54 | 24 | 5:13:41 | 5:49:17 | 5:54:15 | 6:12:07 | 6:55:14 | 5:13:41 |
| F55-59 | 31 | 5:11:28 | 5:50:27 | 6:01:28 | 6:14:11 | 7:18:28 | 5:11:28 |
| F60-64 | 8 | 6:27:08 | 6:27:08 | 6:27:08 | 7:03:05 | 7:32:44 | 6:27:08 |
| F65-69 | 5 | 6:17:55 | 6:17:55 | 6:17:55 | 6:17:55 | 7:42:05 | 6:17:55 |
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.