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 | 718 | 4:13:45 | 4:32:43 | 4:42:03 | 4:54:34 | 5:37:35 | 4:06:13 |
| M18-24 | 39 | 4:06:13 | 4:09:02 | 4:28:33 | 5:01:16 | 5:39:43 | 4:06:13 |
| M25-29 | 82 | 4:11:05 | 4:18:19 | 4:40:59 | 4:55:11 | 5:37:39 | 4:11:05 |
| M30-34 | 103 | 4:13:45 | 4:22:27 | 4:28:11 | 4:37:08 | 5:23:50 | 4:07:49 |
| M35-39 | 113 | 4:11:24 | 4:30:05 | 4:37:55 | 4:51:49 | 5:35:00 | 4:10:15 |
| M40-44 | 104 | 4:33:06 | 4:39:38 | 4:44:54 | 4:59:31 | 5:31:52 | 4:18:22 |
| M45-49 | 112 | 4:32:51 | 4:36:14 | 4:42:35 | 4:53:14 | 5:31:12 | 4:25:42 |
| M50-54 | 89 | 4:43:44 | 4:45:09 | 4:49:46 | 5:00:40 | 5:35:24 | 4:43:44 |
| M55-59 | 47 | 4:44:29 | 4:58:26 | 5:03:50 | 5:25:04 | 6:00:42 | 4:44:29 |
| M60-64 | 21 | 5:06:57 | 5:10:10 | 5:25:20 | 5:34:45 | 6:10:52 | 5:06:57 |
| M65-69 | 6 | 5:33:12 | 5:33:12 | 5:33:12 | 5:44:28 | 6:03:06 | 5:33:12 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 94 | 4:39:37 | 4:56:27 | 5:12:27 | 5:23:18 | 5:52:31 | 4:39:37 |
| F25-29 | 13 | 4:53:17 | 4:53:17 | 5:11:32 | 5:15:39 | 5:46:23 | 4:53:17 |
| F30-34 | 14 | 4:39:37 | 4:39:37 | 4:50:38 | 4:50:57 | 5:21:48 | 4:39:37 |
| F35-39 | 11 | 5:07:45 | 5:07:45 | 5:24:45 | 5:34:46 | 5:51:59 | 5:07:45 |
| F40-44 | 18 | 5:12:27 | 5:12:27 | 5:17:20 | 5:23:14 | 5:36:50 | 5:12:27 |
| F45-49 | 14 | 5:21:59 | 5:21:59 | 5:23:58 | 5:35:13 | 5:47:30 | 5:21:59 |
| F50-54 | 8 | 5:48:49 | 5:48:49 | 5:48:49 | 5:57:32 | 6:08:02 | 5:48:49 |
| F55-59 | 9 | 5:34:33 | 5:34:33 | 5:34:33 | 5:54:57 | 6:41:43 | 5:34:33 |
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.