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 | 1,336 | 4:17:49 | 4:36:00 | 4:46:05 | 5:00:33 | 5:34:08 | 4:03:38 |
| M18-24 | 51 | 4:07:19 | 4:19:11 | 4:29:36 | 4:41:48 | 5:26:14 | 4:07:19 |
| M25-29 | 165 | 4:04:22 | 4:26:47 | 4:38:36 | 4:47:10 | 5:25:48 | 4:03:38 |
| M30-34 | 209 | 4:14:40 | 4:32:50 | 4:41:58 | 4:51:55 | 5:23:54 | 4:12:58 |
| M35-39 | 233 | 4:22:07 | 4:42:24 | 4:47:19 | 4:58:15 | 5:27:41 | 4:21:04 |
| M40-44 | 235 | 4:17:35 | 4:34:27 | 4:46:40 | 4:57:25 | 5:28:11 | 4:09:14 |
| M45-49 | 221 | 4:31:58 | 4:51:45 | 5:01:50 | 5:13:15 | 5:39:22 | 4:26:57 |
| M50-54 | 135 | 4:34:11 | 4:56:46 | 5:05:37 | 5:15:20 | 5:52:55 | 4:24:10 |
| M55-59 | 63 | 4:43:19 | 4:55:09 | 5:03:33 | 5:24:43 | 5:59:10 | 4:43:19 |
| M60-64 | 19 | 5:02:43 | 5:02:43 | 5:15:00 | 5:40:43 | 6:24:00 | 5:02:43 |
| M65-69 | 5 | 5:25:23 | 5:25:23 | 5:25:23 | 5:25:23 | 5:58:12 | 5:25:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 325 | 4:39:53 | 5:09:09 | 5:17:17 | 5:32:36 | 6:07:02 | 4:30:49 |
| F18-24 | 15 | 4:30:49 | 4:30:49 | 5:01:46 | 5:10:07 | 5:26:20 | 4:30:49 |
| F25-29 | 55 | 4:38:57 | 4:47:19 | 5:03:56 | 5:19:58 | 5:52:18 | 4:38:57 |
| F30-34 | 49 | 4:36:10 | 5:14:44 | 5:23:45 | 5:34:57 | 5:58:43 | 4:36:10 |
| F35-39 | 54 | 4:56:29 | 5:07:37 | 5:12:05 | 5:19:56 | 6:03:32 | 4:56:29 |
| F40-44 | 77 | 4:54:33 | 5:09:09 | 5:26:04 | 5:46:24 | 6:09:29 | 4:54:33 |
| F45-49 | 40 | 4:55:35 | 5:25:58 | 5:32:28 | 5:56:31 | 6:17:16 | 4:55:35 |
| F50-54 | 30 | 5:17:17 | 5:23:02 | 5:35:26 | 5:57:29 | 6:29:19 | 5:17:17 |
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.