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 | 1,004 | 4:30:25 | 4:47:35 | 4:59:23 | 5:18:59 | 5:56:26 | 4:04:54 |
| M18-24 | 31 | 4:21:54 | 4:49:40 | 5:06:11 | 5:20:28 | 6:03:29 | 4:21:54 |
| M25-29 | 64 | 4:11:24 | 4:45:32 | 4:56:02 | 5:05:39 | 5:51:27 | 4:11:24 |
| M30-34 | 111 | 4:25:16 | 4:39:05 | 5:00:53 | 5:17:55 | 5:49:08 | 4:04:54 |
| M35-39 | 167 | 4:28:28 | 4:42:21 | 4:55:55 | 5:12:05 | 5:49:53 | 4:21:45 |
| M40-44 | 219 | 4:36:30 | 4:46:02 | 4:54:11 | 5:16:39 | 5:49:40 | 4:25:49 |
| M45-49 | 164 | 4:43:16 | 4:49:10 | 5:00:49 | 5:21:36 | 6:00:04 | 4:23:10 |
| M50-54 | 134 | 4:38:03 | 4:51:07 | 4:59:31 | 5:18:00 | 6:07:33 | 4:33:33 |
| M55-59 | 64 | 4:44:14 | 5:08:08 | 5:16:57 | 5:31:55 | 6:14:18 | 4:44:14 |
| M60-64 | 32 | 5:30:41 | 5:31:26 | 5:47:28 | 6:01:47 | 6:29:12 | 5:30:41 |
| M65-69 | 11 | 5:41:00 | 5:41:00 | 5:56:14 | 6:16:41 | 6:26:19 | 5:41:00 |
| M70-74 | 5 | 6:30:25 | 6:30:25 | 6:30:25 | 6:30:25 | 7:28:10 | 6:30:25 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 284 | 4:56:13 | 5:13:24 | 5:24:15 | 5:44:05 | 6:24:49 | 4:32:28 |
| F18-24 | 7 | 5:16:16 | 5:16:16 | 5:16:16 | 5:29:06 | 5:52:33 | 5:16:16 |
| F25-29 | 28 | 5:05:18 | 5:19:24 | 5:24:05 | 5:28:35 | 6:19:31 | 5:05:18 |
| F30-34 | 44 | 4:58:46 | 5:05:07 | 5:13:24 | 5:44:52 | 6:09:01 | 4:58:46 |
| F35-39 | 51 | 5:05:05 | 5:17:32 | 5:21:36 | 5:42:34 | 6:20:15 | 5:05:05 |
| F40-44 | 67 | 4:32:28 | 5:12:11 | 5:17:25 | 5:39:55 | 6:24:49 | 4:32:28 |
| F45-49 | 39 | 5:08:05 | 5:11:27 | 5:20:54 | 5:29:05 | 6:28:59 | 5:08:05 |
| F50-54 | 25 | 5:13:31 | 5:33:08 | 5:47:50 | 6:10:14 | 6:42:25 | 5:13:31 |
| F55-59 | 14 | 5:56:40 | 5:56:40 | 6:09:39 | 6:30:00 | 7:16:30 | 5:56:40 |
| F60-64 | 6 | 6:02:32 | 6:02:32 | 6:02:32 | 6:33:31 | 6:50:34 | 6:02:32 |
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.