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 | 793 | 4:04:05 | 4:19:44 | 4:28:47 | 4:41:23 | 5:13:36 | 3:52:15 |
| M18-24 | 11 | 4:03:01 | 4:03:01 | 4:08:34 | 4:17:07 | 4:59:23 | 4:03:01 |
| M25-29 | 48 | 3:54:42 | 4:10:51 | 4:13:15 | 4:30:04 | 4:53:51 | 3:54:42 |
| M30-34 | 62 | 3:56:01 | 4:09:37 | 4:21:04 | 4:25:00 | 4:50:39 | 3:56:01 |
| M35-39 | 126 | 4:11:06 | 4:18:10 | 4:24:06 | 4:36:32 | 5:00:28 | 4:07:03 |
| M40-44 | 162 | 4:02:18 | 4:19:44 | 4:26:11 | 4:41:20 | 5:11:10 | 3:52:15 |
| M45-49 | 153 | 4:08:32 | 4:25:08 | 4:31:01 | 4:39:03 | 5:09:06 | 4:04:05 |
| M50-54 | 116 | 4:17:13 | 4:25:53 | 4:34:40 | 4:51:05 | 5:26:30 | 4:09:09 |
| M55-59 | 63 | 4:30:56 | 4:42:57 | 4:52:47 | 5:04:32 | 5:35:51 | 4:30:56 |
| M60-64 | 37 | 4:45:47 | 4:47:06 | 5:01:07 | 5:08:40 | 5:57:05 | 4:45:47 |
| M65-69 | 14 | 5:14:45 | 5:14:45 | 5:22:12 | 5:41:41 | 6:29:42 | 5:14:45 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 200 | 4:35:55 | 4:55:18 | 5:00:00 | 5:13:53 | 5:43:45 | 4:32:40 |
| F25-29 | 5 | 4:55:18 | 4:55:18 | 4:55:18 | 4:55:18 | 5:08:39 | 4:55:18 |
| F30-34 | 17 | 4:37:21 | 4:37:21 | 4:40:50 | 5:00:00 | 5:18:15 | 4:37:21 |
| F35-39 | 44 | 4:32:40 | 4:37:09 | 4:47:21 | 5:01:43 | 5:39:39 | 4:32:40 |
| F40-44 | 37 | 4:55:23 | 4:56:22 | 5:02:05 | 5:15:09 | 5:37:40 | 4:55:23 |
| F45-49 | 39 | 4:47:04 | 4:57:02 | 5:12:07 | 5:22:00 | 5:51:14 | 4:47:04 |
| F50-54 | 36 | 4:52:28 | 4:56:04 | 5:13:21 | 5:24:26 | 5:55:19 | 4:52:28 |
| F55-59 | 12 | 5:10:39 | 5:10:39 | 5:30:08 | 5:36:46 | 5:50:36 | 5:10:39 |
| F60-64 | 7 | 5:32:48 | 5:32:48 | 5:32:48 | 5:41:33 | 6:07:29 | 5:32:48 |
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.