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 | 597 | 4:13:49 | 4:30:40 | 4:40:14 | 4:56:44 | 5:29:13 | 3:58:23 |
| M18-24 | 9 | 5:07:03 | 5:07:03 | 5:07:03 | 5:19:59 | 5:28:53 | 5:07:03 |
| M25-29 | 18 | 4:10:45 | 4:10:45 | 4:29:15 | 4:51:05 | 5:26:46 | 4:10:45 |
| M30-34 | 63 | 4:09:51 | 4:24:13 | 4:31:51 | 4:41:23 | 5:26:09 | 4:09:51 |
| M35-39 | 94 | 4:13:49 | 4:15:42 | 4:29:26 | 4:38:42 | 5:16:23 | 4:13:49 |
| M40-44 | 127 | 4:11:24 | 4:29:37 | 4:46:56 | 4:58:58 | 5:25:32 | 4:04:08 |
| M45-49 | 125 | 4:27:50 | 4:37:15 | 4:39:23 | 4:51:00 | 5:28:15 | 4:16:08 |
| M50-54 | 78 | 4:33:34 | 4:44:31 | 4:49:50 | 4:57:37 | 5:30:04 | 4:33:34 |
| M55-59 | 47 | 4:49:08 | 4:55:56 | 5:01:20 | 5:14:11 | 5:45:14 | 4:49:08 |
| M60-64 | 26 | 5:16:30 | 5:16:42 | 5:17:33 | 5:43:10 | 5:59:33 | 5:16:30 |
| M65-69 | 5 | 5:51:19 | 5:51:19 | 5:51:19 | 5:51:19 | 6:17:21 | 5:51:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 145 | 4:42:56 | 5:00:11 | 5:10:23 | 5:21:33 | 5:53:30 | 4:41:19 |
| F25-29 | 11 | 5:01:44 | 5:01:44 | 5:22:11 | 5:23:09 | 5:49:10 | 5:01:44 |
| F30-34 | 19 | 4:41:19 | 4:41:19 | 4:42:56 | 5:05:11 | 5:21:55 | 4:41:19 |
| F35-39 | 22 | 4:52:19 | 4:54:46 | 5:00:09 | 5:13:34 | 5:36:09 | 4:52:19 |
| F40-44 | 23 | 5:02:38 | 5:10:23 | 5:15:18 | 5:21:33 | 5:40:31 | 5:02:38 |
| F45-49 | 26 | 4:50:29 | 5:00:11 | 5:04:21 | 5:29:08 | 5:47:07 | 4:50:29 |
| F50-54 | 28 | 5:23:55 | 5:29:06 | 5:32:43 | 5:40:52 | 6:05:11 | 5:23:55 |
| F55-59 | 9 | 5:36:12 | 5:36:12 | 5:36:12 | 5:53:46 | 6:32:14 | 5:36:12 |
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.