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 | 730 | 4:27:22 | 4:41:46 | 4:50:52 | 5:06:01 | 5:40:54 | 4:12:24 |
| M18-24 | 32 | 4:12:24 | 4:27:42 | 4:49:57 | 4:52:50 | 5:26:20 | 4:12:24 |
| M25-29 | 68 | 4:25:33 | 4:35:12 | 4:41:13 | 5:02:07 | 5:32:05 | 4:25:33 |
| M30-34 | 115 | 4:19:46 | 4:31:01 | 4:42:11 | 4:53:25 | 5:26:49 | 4:19:44 |
| M35-39 | 126 | 4:27:28 | 4:37:18 | 4:45:24 | 4:56:27 | 5:43:32 | 4:22:58 |
| M40-44 | 130 | 4:29:57 | 4:45:56 | 4:54:42 | 5:06:03 | 5:38:46 | 4:26:11 |
| M45-49 | 105 | 4:42:53 | 4:51:10 | 4:58:19 | 5:10:55 | 5:47:02 | 4:40:33 |
| M50-54 | 77 | 4:45:03 | 4:54:11 | 4:58:27 | 5:13:29 | 5:59:33 | 4:45:03 |
| M55-59 | 41 | 4:41:46 | 5:00:06 | 5:10:25 | 5:16:12 | 6:05:56 | 4:41:46 |
| M60-64 | 21 | 5:01:40 | 5:26:15 | 5:32:00 | 5:40:36 | 6:27:58 | 5:01:40 |
| M65-69 | 13 | 5:33:58 | 5:33:58 | 5:56:30 | 5:58:10 | 6:39:50 | 5:33:58 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 304 | 4:55:58 | 5:08:58 | 5:21:31 | 5:38:27 | 6:14:16 | 4:42:34 |
| F18-24 | 13 | 4:55:19 | 4:55:19 | 5:05:35 | 5:31:08 | 6:04:12 | 4:55:19 |
| F25-29 | 30 | 4:42:34 | 5:08:22 | 5:19:19 | 5:37:08 | 6:05:24 | 4:42:34 |
| F30-34 | 50 | 4:55:58 | 5:01:37 | 5:12:24 | 5:26:27 | 6:07:58 | 4:55:58 |
| F35-39 | 49 | 4:55:50 | 5:08:58 | 5:14:16 | 5:37:24 | 6:11:17 | 4:55:50 |
| F40-44 | 60 | 4:58:03 | 5:12:27 | 5:16:32 | 5:40:09 | 6:14:04 | 4:58:03 |
| F45-49 | 55 | 4:59:30 | 5:01:36 | 5:32:18 | 5:39:50 | 6:27:29 | 4:59:30 |
| F50-54 | 23 | 5:40:21 | 5:44:43 | 5:46:10 | 6:00:17 | 6:35:45 | 5:40:21 |
| F55-59 | 19 | 5:21:12 | 5:21:12 | 5:34:49 | 5:44:25 | 6:20:35 | 5:21:12 |
| F60-64 | 5 | 5:09:47 | 5:09:47 | 5:09:47 | 5:09:47 | 5:47:28 | 5:09:47 |
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.