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 | 1,001 | 4:12:58 | 4:27:44 | 4:37:24 | 4:55:33 | 5:32:00 | 3:55:37 |
| M18-24 | 46 | 4:06:15 | 4:15:58 | 4:26:57 | 4:54:37 | 5:31:32 | 4:06:15 |
| M25-29 | 132 | 4:07:36 | 4:20:04 | 4:26:24 | 4:41:29 | 5:22:19 | 4:03:33 |
| M30-34 | 195 | 4:10:57 | 4:25:50 | 4:32:27 | 4:43:44 | 5:26:05 | 3:55:37 |
| M35-39 | 144 | 4:14:36 | 4:22:50 | 4:34:44 | 4:52:27 | 5:26:39 | 4:12:48 |
| M40-44 | 150 | 4:23:23 | 4:31:43 | 4:37:45 | 4:52:58 | 5:21:39 | 4:08:05 |
| M45-49 | 130 | 4:27:37 | 4:37:06 | 4:46:30 | 5:04:49 | 5:34:53 | 4:19:58 |
| M50-54 | 115 | 4:34:24 | 4:50:06 | 4:58:06 | 5:09:15 | 5:39:10 | 4:22:09 |
| M55-59 | 45 | 4:36:26 | 4:46:14 | 4:48:52 | 5:03:35 | 5:46:31 | 4:36:26 |
| M60-64 | 34 | 4:33:23 | 4:45:32 | 5:14:33 | 5:20:54 | 6:05:45 | 4:33:23 |
| M65-69 | 7 | 5:59:01 | 5:59:01 | 5:59:01 | 5:59:07 | 6:37:37 | 5:59:01 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 223 | 4:39:59 | 4:59:28 | 5:08:52 | 5:23:34 | 6:05:05 | 4:29:33 |
| F18-24 | 10 | 4:50:23 | 4:50:23 | 4:50:23 | 5:03:53 | 5:32:51 | 4:50:23 |
| F25-29 | 33 | 4:35:47 | 4:39:59 | 5:11:08 | 5:16:54 | 5:49:26 | 4:35:47 |
| F30-34 | 32 | 4:29:33 | 4:41:26 | 5:00:11 | 5:31:20 | 6:12:58 | 4:29:33 |
| F35-39 | 32 | 4:56:52 | 5:00:19 | 5:13:16 | 5:21:52 | 5:53:02 | 4:56:52 |
| F40-44 | 43 | 4:46:06 | 4:50:15 | 5:12:29 | 5:38:04 | 6:16:48 | 4:46:06 |
| F45-49 | 36 | 4:59:54 | 5:02:04 | 5:08:29 | 5:21:49 | 5:55:48 | 4:59:54 |
| F50-54 | 22 | 4:52:50 | 5:10:53 | 5:34:11 | 5:40:34 | 6:19:36 | 4:52:50 |
| F55-59 | 11 | 5:21:09 | 5:21:09 | 5:27:18 | 5:51:54 | 6:08:07 | 5:21:09 |
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.