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 | 1,534 | 4:04:15 | 4:21:01 | 4:35:05 | 4:50:07 | 5:24:41 | 3:52:34 |
| M18-24 | 119 | 4:00:31 | 4:13:55 | 4:29:26 | 4:39:19 | 5:12:20 | 3:55:54 |
| M25-29 | 230 | 3:59:55 | 4:18:15 | 4:34:27 | 4:47:40 | 5:18:19 | 3:55:18 |
| M30-34 | 236 | 4:04:11 | 4:14:47 | 4:27:21 | 4:47:13 | 5:19:46 | 3:52:34 |
| M35-39 | 249 | 4:02:09 | 4:15:21 | 4:26:42 | 4:44:26 | 5:20:24 | 4:00:11 |
| M40-44 | 196 | 4:05:39 | 4:15:03 | 4:27:35 | 4:44:30 | 5:18:27 | 3:59:44 |
| M45-49 | 149 | 4:16:25 | 4:29:40 | 4:42:47 | 4:54:42 | 5:20:53 | 4:12:07 |
| M50-54 | 152 | 4:17:40 | 4:33:43 | 4:43:18 | 4:57:25 | 5:34:29 | 4:13:57 |
| M55-59 | 116 | 4:32:09 | 4:42:08 | 4:45:18 | 5:04:56 | 5:44:55 | 4:26:23 |
| M60-64 | 66 | 4:39:32 | 5:04:55 | 5:10:30 | 5:27:33 | 6:03:36 | 4:39:32 |
| M65-69 | 16 | 4:59:10 | 4:59:10 | 5:19:09 | 5:28:59 | 5:53:37 | 4:59:10 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 355 | 4:23:36 | 4:42:03 | 4:56:43 | 5:11:20 | 5:45:35 | 4:12:04 |
| F18-24 | 35 | 4:37:11 | 4:52:25 | 4:56:53 | 5:15:40 | 5:46:13 | 4:37:11 |
| F25-29 | 68 | 4:28:50 | 4:56:20 | 5:00:38 | 5:11:31 | 5:42:55 | 4:28:50 |
| F30-34 | 65 | 4:15:35 | 4:29:36 | 4:39:12 | 4:56:59 | 5:38:32 | 4:15:35 |
| F35-39 | 52 | 4:12:04 | 4:42:54 | 4:52:17 | 5:05:07 | 5:34:11 | 4:12:04 |
| F40-44 | 48 | 4:37:31 | 4:50:24 | 4:53:35 | 5:09:33 | 5:49:06 | 4:37:31 |
| F45-49 | 38 | 4:53:03 | 4:54:38 | 5:10:07 | 5:18:03 | 5:47:39 | 4:53:03 |
| F50-54 | 23 | 4:42:03 | 5:05:21 | 5:14:26 | 5:21:41 | 6:13:07 | 4:42:03 |
| F55-59 | 20 | 5:04:55 | 5:04:55 | 5:11:56 | 5:22:23 | 5:45:35 | 5:04:55 |
| F60-64 | 5 | 5:21:45 | 5:21:45 | 5:21:45 | 5:21:45 | 6:07:29 | 5:21:45 |
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.