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 | 980 | 4:33:36 | 4:58:52 | 5:15:43 | 5:35:25 | 6:19:28 | 4:11:21 |
| M18-24 | 143 | 4:12:45 | 5:07:15 | 5:22:12 | 5:35:08 | 6:13:04 | 4:11:21 |
| M25-29 | 196 | 4:29:22 | 4:57:31 | 5:11:41 | 5:34:18 | 6:14:09 | 4:27:18 |
| M30-34 | 139 | 4:45:42 | 5:07:59 | 5:27:25 | 5:40:45 | 6:18:36 | 4:45:36 |
| M35-39 | 146 | 4:28:07 | 4:48:41 | 5:06:45 | 5:30:01 | 6:16:01 | 4:16:57 |
| M40-44 | 100 | 4:41:07 | 4:50:45 | 5:13:07 | 5:35:08 | 6:21:20 | 4:41:07 |
| M45-49 | 78 | 4:41:20 | 4:54:43 | 5:05:03 | 5:31:08 | 6:08:35 | 4:41:20 |
| M50-54 | 75 | 4:31:15 | 4:48:17 | 5:19:37 | 5:34:40 | 6:23:04 | 4:31:15 |
| M55-59 | 50 | 4:56:33 | 4:59:00 | 5:11:03 | 5:26:02 | 6:13:31 | 4:56:33 |
| M60-64 | 29 | 5:07:38 | 5:27:06 | 5:37:13 | 6:04:43 | 6:40:55 | 5:07:38 |
| M65-69 | 20 | 5:07:30 | 5:07:30 | 6:02:30 | 6:16:25 | 6:48:53 | 5:07:30 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 309 | 5:00:12 | 5:22:02 | 5:29:58 | 5:51:06 | 6:30:43 | 4:41:53 |
| F18-24 | 41 | 5:02:10 | 5:26:51 | 5:49:37 | 5:59:15 | 6:31:50 | 5:02:10 |
| F25-29 | 77 | 4:58:31 | 5:18:42 | 5:32:41 | 5:50:42 | 6:24:59 | 4:58:31 |
| F30-34 | 45 | 4:41:53 | 5:22:02 | 5:28:50 | 5:43:56 | 6:32:13 | 4:41:53 |
| F35-39 | 35 | 5:13:43 | 5:14:29 | 5:20:48 | 5:44:29 | 6:23:36 | 5:13:43 |
| F40-44 | 37 | 4:51:26 | 5:19:52 | 5:22:18 | 5:28:00 | 6:21:50 | 4:51:26 |
| F45-49 | 28 | 5:03:08 | 5:22:46 | 5:40:59 | 6:01:52 | 6:46:43 | 5:03:08 |
| F50-54 | 18 | 5:34:37 | 5:34:37 | 5:40:37 | 6:03:59 | 6:29:58 | 5:34:37 |
| F55-59 | 14 | 5:22:18 | 5:22:18 | 5:31:01 | 5:42:57 | 6:28:47 | 5:22:18 |
| F60-64 | 10 | 5:58:49 | 5:58:49 | 5:58:49 | 6:07:57 | 7:08:57 | 5:58:49 |
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.