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 | 1,575 | 4:24:15 | 4:44:25 | 4:56:44 | 5:13:53 | 5:52:05 | 4:03:13 |
| M18-24 | 69 | 4:03:13 | 4:36:57 | 4:49:44 | 5:03:27 | 5:36:07 | 4:03:13 |
| M25-29 | 166 | 4:11:57 | 4:40:01 | 4:43:07 | 5:05:47 | 5:50:46 | 4:09:52 |
| M30-34 | 209 | 4:15:09 | 4:32:38 | 4:47:40 | 5:05:02 | 5:45:57 | 4:04:57 |
| M35-39 | 229 | 4:22:44 | 4:42:04 | 4:51:15 | 5:04:46 | 5:43:04 | 4:07:49 |
| M40-44 | 245 | 4:25:52 | 4:43:51 | 4:55:55 | 5:08:11 | 5:47:27 | 4:10:01 |
| M45-49 | 183 | 4:27:39 | 4:48:25 | 5:03:09 | 5:18:26 | 5:50:05 | 4:17:25 |
| M50-54 | 196 | 4:35:52 | 4:53:06 | 4:59:16 | 5:15:57 | 5:52:25 | 4:31:54 |
| M55-59 | 153 | 4:44:15 | 4:53:42 | 5:12:09 | 5:28:33 | 6:04:55 | 4:35:39 |
| M60-64 | 87 | 4:59:23 | 5:17:29 | 5:24:48 | 5:40:02 | 6:30:56 | 4:59:23 |
| M65-69 | 28 | 5:10:13 | 5:25:09 | 5:47:24 | 6:03:34 | 6:48:30 | 5:10:13 |
| M70-74 | 9 | 5:58:24 | 5:58:24 | 5:58:24 | 6:12:42 | 7:06:07 | 5:58:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 724 | 4:49:10 | 5:16:14 | 5:26:15 | 5:47:09 | 6:28:24 | 4:35:12 |
| F18-24 | 28 | 4:48:37 | 4:49:10 | 5:08:23 | 5:18:05 | 6:02:10 | 4:48:37 |
| F25-29 | 85 | 4:35:12 | 5:10:59 | 5:18:08 | 5:39:42 | 6:14:42 | 4:35:12 |
| F30-34 | 82 | 4:47:10 | 5:10:27 | 5:22:10 | 5:37:57 | 6:16:18 | 4:47:10 |
| F35-39 | 73 | 4:39:16 | 5:08:09 | 5:21:20 | 5:33:39 | 6:22:49 | 4:39:16 |
| F40-44 | 112 | 5:05:34 | 5:16:32 | 5:22:12 | 5:43:42 | 6:24:07 | 4:43:53 |
| F45-49 | 118 | 5:03:55 | 5:12:22 | 5:24:49 | 5:42:54 | 6:22:22 | 5:00:43 |
| F50-54 | 109 | 5:16:15 | 5:29:01 | 5:43:38 | 5:59:00 | 6:51:47 | 5:07:40 |
| F55-59 | 69 | 5:19:28 | 5:31:42 | 5:46:00 | 5:56:14 | 6:50:39 | 5:19:28 |
| F60-64 | 39 | 5:19:09 | 5:44:46 | 5:48:01 | 6:12:29 | 7:07:40 | 5:19:09 |
| F65-69 | 9 | 5:35:51 | 5:35:51 | 5:35:51 | 6:04:52 | 7:34:27 | 5:35:51 |
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.