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 | 882 | 4:15:56 | 4:36:23 | 4:51:49 | 5:10:47 | 5:53:30 | 4:02:50 |
| M18-24 | 100 | 4:06:52 | 4:32:07 | 4:50:55 | 5:17:25 | 5:55:37 | 4:06:52 |
| M25-29 | 97 | 4:17:41 | 4:28:44 | 4:45:38 | 5:10:04 | 5:50:09 | 4:17:41 |
| M30-34 | 149 | 4:09:07 | 4:35:52 | 4:45:25 | 5:14:00 | 5:55:31 | 4:02:50 |
| M35-39 | 147 | 4:12:47 | 4:29:51 | 4:46:04 | 5:06:46 | 5:45:05 | 4:12:04 |
| M40-44 | 117 | 4:19:14 | 4:30:45 | 4:48:53 | 5:05:15 | 5:57:55 | 4:17:41 |
| M45-49 | 94 | 4:13:50 | 4:39:49 | 4:50:17 | 5:08:21 | 5:43:37 | 4:13:50 |
| M50-54 | 83 | 4:25:50 | 4:49:32 | 4:57:11 | 5:09:27 | 5:55:36 | 4:25:50 |
| M55-59 | 54 | 4:51:49 | 5:00:22 | 5:05:35 | 5:17:33 | 6:09:08 | 4:51:49 |
| M60-64 | 25 | 5:02:38 | 5:06:18 | 5:11:42 | 5:25:05 | 6:00:32 | 5:02:38 |
| M65-69 | 13 | 5:32:56 | 5:32:56 | 5:38:24 | 5:47:35 | 7:00:14 | 5:32:56 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 209 | 4:47:57 | 5:04:31 | 5:13:26 | 5:37:53 | 6:15:59 | 4:40:48 |
| F18-24 | 32 | 4:51:17 | 5:04:31 | 5:18:18 | 5:42:29 | 6:27:05 | 4:51:17 |
| F25-29 | 46 | 4:40:48 | 4:50:48 | 5:02:50 | 5:42:19 | 6:11:03 | 4:40:48 |
| F30-34 | 35 | 4:43:05 | 4:55:39 | 5:06:18 | 5:19:44 | 5:58:03 | 4:43:05 |
| F35-39 | 20 | 5:09:29 | 5:09:29 | 5:12:21 | 5:50:29 | 6:38:39 | 5:09:29 |
| F40-44 | 22 | 4:58:07 | 5:09:54 | 5:14:13 | 5:44:37 | 6:22:10 | 4:58:07 |
| F45-49 | 20 | 5:08:00 | 5:08:00 | 5:08:32 | 5:22:00 | 5:53:54 | 5:08:00 |
| F50-54 | 14 | 5:13:01 | 5:13:01 | 5:38:33 | 5:51:21 | 6:21:21 | 5:13:01 |
| F55-59 | 13 | 5:15:01 | 5:15:01 | 5:27:05 | 5:29:51 | 6:03:41 | 5:15:01 |
| F60-64 | 6 | 6:22:40 | 6:22:40 | 6:22:40 | 7:14:26 | 7:35:08 | 6:22:40 |
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.