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 | 1,282 | 4:20:38 | 4:41:28 | 4:53:08 | 5:17:10 | 6:06:28 | 4:00:11 |
| M18-24 | 96 | 4:00:11 | 4:26:13 | 4:52:30 | 5:10:14 | 6:04:03 | 4:00:11 |
| M25-29 | 147 | 4:13:18 | 4:37:36 | 4:54:00 | 5:19:06 | 6:02:55 | 4:03:43 |
| M30-34 | 170 | 4:21:13 | 4:37:16 | 4:47:56 | 5:14:33 | 6:06:26 | 4:18:20 |
| M35-39 | 179 | 4:10:31 | 4:30:28 | 4:43:48 | 4:59:29 | 5:52:49 | 4:07:53 |
| M40-44 | 184 | 4:08:15 | 4:32:20 | 4:48:04 | 5:19:51 | 5:58:08 | 4:00:44 |
| M45-49 | 172 | 4:26:21 | 4:42:41 | 4:48:29 | 5:08:34 | 6:01:15 | 4:23:19 |
| M50-54 | 141 | 4:42:01 | 4:53:26 | 5:06:46 | 5:24:40 | 6:15:11 | 4:38:50 |
| M55-59 | 94 | 4:42:50 | 5:05:20 | 5:18:09 | 5:30:42 | 6:25:54 | 4:42:50 |
| M60-64 | 55 | 4:47:45 | 5:01:44 | 5:14:33 | 5:25:49 | 6:21:37 | 4:47:45 |
| M65-69 | 34 | 4:58:36 | 5:02:53 | 5:23:12 | 5:44:29 | 6:53:46 | 4:58:36 |
| M70-74 | 10 | 6:02:31 | 6:02:31 | 6:02:31 | 6:42:18 | 6:59:16 | 6:02:31 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 493 | 4:48:28 | 5:01:10 | 5:18:12 | 5:41:53 | 6:30:04 | 4:32:32 |
| F18-24 | 37 | 4:39:01 | 4:46:14 | 5:17:11 | 5:44:27 | 6:19:17 | 4:39:01 |
| F25-29 | 51 | 4:56:16 | 5:02:32 | 5:22:23 | 5:44:57 | 6:35:25 | 4:56:16 |
| F30-34 | 55 | 4:48:28 | 4:58:46 | 5:06:56 | 5:19:59 | 6:29:40 | 4:48:28 |
| F35-39 | 61 | 4:50:03 | 5:01:10 | 5:11:32 | 5:41:53 | 6:25:05 | 4:50:03 |
| F40-44 | 78 | 4:32:32 | 4:55:17 | 5:07:54 | 5:22:36 | 6:26:13 | 4:32:32 |
| F45-49 | 64 | 4:51:38 | 5:26:47 | 5:32:48 | 5:45:34 | 6:31:28 | 4:51:38 |
| F50-54 | 60 | 4:56:22 | 5:20:39 | 5:30:01 | 5:44:59 | 6:30:32 | 4:56:22 |
| F55-59 | 53 | 4:52:15 | 5:10:26 | 5:23:41 | 5:48:46 | 6:26:08 | 4:52:15 |
| F60-64 | 24 | 5:00:21 | 5:25:53 | 5:41:19 | 6:01:11 | 6:57:21 | 5:00:21 |
| F65-69 | 7 | 6:06:47 | 6:06:47 | 6:06:47 | 6:18:01 | 6:20:30 | 6:06:47 |
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.