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 | 1,263 | 4:17:37 | 4:42:43 | 4:57:28 | 5:18:04 | 6:02:59 | 4:01:18 |
| M18-24 | 90 | 4:16:26 | 4:47:08 | 5:01:08 | 5:36:30 | 6:08:54 | 4:16:26 |
| M25-29 | 187 | 4:15:49 | 4:28:36 | 4:49:03 | 5:13:18 | 6:02:45 | 4:04:14 |
| M30-34 | 200 | 4:10:53 | 4:27:46 | 4:46:30 | 5:06:58 | 5:52:42 | 4:08:26 |
| M35-39 | 197 | 4:04:56 | 4:37:17 | 4:46:41 | 5:06:26 | 5:58:25 | 4:01:18 |
| M40-44 | 156 | 4:22:27 | 4:47:52 | 4:58:02 | 5:21:08 | 5:55:50 | 4:22:05 |
| M45-49 | 121 | 4:12:53 | 4:42:41 | 4:53:04 | 5:18:04 | 5:56:58 | 4:08:49 |
| M50-54 | 121 | 4:37:31 | 4:59:44 | 5:13:38 | 5:26:36 | 6:07:11 | 4:35:10 |
| M55-59 | 110 | 4:49:39 | 5:01:44 | 5:11:39 | 5:22:06 | 6:16:19 | 4:40:01 |
| M60-64 | 49 | 5:19:04 | 5:30:45 | 5:37:53 | 5:43:09 | 6:44:43 | 5:19:04 |
| M65-69 | 21 | 5:00:01 | 5:27:55 | 5:37:09 | 6:01:44 | 6:30:43 | 5:00:01 |
| M70-74 | 8 | 5:57:17 | 5:57:17 | 5:57:17 | 6:10:38 | 6:46:18 | 5:57:17 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 518 | 4:42:11 | 5:02:58 | 5:16:27 | 5:36:48 | 6:23:49 | 4:32:04 |
| F18-24 | 35 | 4:33:16 | 5:07:39 | 5:11:17 | 5:17:08 | 6:10:42 | 4:33:16 |
| F25-29 | 72 | 4:32:04 | 5:02:47 | 5:15:55 | 5:34:53 | 5:59:50 | 4:32:04 |
| F30-34 | 63 | 4:35:20 | 4:55:02 | 5:04:00 | 5:23:23 | 6:07:33 | 4:35:20 |
| F35-39 | 62 | 4:48:20 | 5:02:47 | 5:10:29 | 5:19:26 | 6:10:34 | 4:48:20 |
| F40-44 | 70 | 4:32:23 | 4:56:10 | 5:13:38 | 5:39:05 | 6:31:23 | 4:32:23 |
| F45-49 | 73 | 4:52:34 | 5:00:02 | 5:14:55 | 5:35:59 | 6:13:05 | 4:52:34 |
| F50-54 | 60 | 4:46:40 | 5:09:07 | 5:27:50 | 5:41:10 | 6:41:47 | 4:46:40 |
| F55-59 | 43 | 5:32:15 | 5:38:43 | 5:57:12 | 6:04:39 | 6:42:44 | 5:32:15 |
| F60-64 | 28 | 5:05:39 | 5:50:14 | 6:07:29 | 6:16:01 | 6:57:05 | 5:05:39 |
| F65-69 | 8 | 6:13:54 | 6:13:54 | 6:13:54 | 6:20:18 | 6:58:01 | 6:13:54 |
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.