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 | 1,581 | 4:29:03 | 4:49:10 | 4:59:43 | 5:14:37 | 5:45:19 | 4:04:23 |
| M18-24 | 55 | 4:17:08 | 4:20:31 | 4:41:46 | 4:57:21 | 5:29:22 | 4:17:08 |
| M25-29 | 118 | 4:20:00 | 4:43:21 | 4:51:24 | 5:05:41 | 5:35:40 | 4:04:23 |
| M30-34 | 223 | 4:21:32 | 4:40:41 | 4:49:18 | 5:01:41 | 5:31:40 | 4:19:17 |
| M35-39 | 237 | 4:30:21 | 4:48:27 | 4:54:09 | 5:10:19 | 5:42:28 | 4:17:40 |
| M40-44 | 250 | 4:30:37 | 4:49:22 | 4:59:43 | 5:15:04 | 5:43:14 | 4:26:03 |
| M45-49 | 250 | 4:35:23 | 4:57:02 | 5:07:08 | 5:22:19 | 5:44:49 | 4:11:19 |
| M50-54 | 219 | 4:44:28 | 4:54:55 | 5:07:33 | 5:17:48 | 5:47:42 | 4:30:17 |
| M55-59 | 151 | 4:38:24 | 5:05:46 | 5:15:07 | 5:30:25 | 6:04:47 | 4:29:08 |
| M60-64 | 48 | 4:48:10 | 5:12:10 | 5:15:34 | 5:38:44 | 5:59:31 | 4:48:10 |
| M65-69 | 21 | 5:21:11 | 5:28:10 | 5:46:17 | 5:50:33 | 6:34:53 | 5:21:11 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 371 | 4:41:51 | 5:05:19 | 5:15:05 | 5:29:00 | 6:04:47 | 4:34:05 |
| F18-24 | 16 | 4:36:15 | 4:36:15 | 4:41:51 | 5:19:45 | 6:17:58 | 4:36:15 |
| F25-29 | 41 | 5:01:27 | 5:18:04 | 5:27:37 | 5:35:15 | 5:54:38 | 5:01:27 |
| F30-34 | 79 | 4:34:05 | 5:00:59 | 5:06:34 | 5:16:08 | 5:57:13 | 4:34:05 |
| F35-39 | 54 | 4:47:39 | 4:58:37 | 5:13:16 | 5:20:12 | 6:01:04 | 4:47:39 |
| F40-44 | 52 | 4:56:32 | 5:06:52 | 5:08:10 | 5:24:41 | 5:53:39 | 4:56:32 |
| F45-49 | 49 | 5:05:08 | 5:08:34 | 5:17:31 | 5:32:43 | 6:03:07 | 5:05:08 |
| F50-54 | 54 | 5:05:19 | 5:21:17 | 5:30:42 | 5:39:03 | 6:24:41 | 5:05:19 |
| F55-59 | 18 | 5:20:54 | 5:20:54 | 5:28:06 | 5:57:16 | 6:34:22 | 5:20:54 |
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.