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 | 411 | 4:39:37 | 4:57:59 | 5:14:36 | 5:36:51 | 6:29:54 | 4:21:44 |
| M18-24 | 34 | 4:51:58 | 5:00:43 | 5:15:09 | 5:39:51 | 6:28:44 | 4:51:58 |
| M25-29 | 46 | 4:30:59 | 4:39:37 | 4:56:02 | 5:16:42 | 6:09:20 | 4:30:59 |
| M30-34 | 65 | 4:21:44 | 4:45:01 | 4:56:12 | 5:29:08 | 6:36:03 | 4:21:44 |
| M35-39 | 50 | 4:56:01 | 5:08:17 | 5:14:10 | 5:31:08 | 6:09:20 | 4:56:01 |
| M40-44 | 64 | 4:38:51 | 4:55:37 | 5:07:12 | 5:29:03 | 6:18:12 | 4:38:51 |
| M45-49 | 48 | 4:43:38 | 5:12:02 | 5:15:03 | 5:51:53 | 6:41:50 | 4:43:38 |
| M50-54 | 42 | 4:46:13 | 5:21:16 | 5:34:50 | 5:49:17 | 6:12:38 | 4:46:13 |
| M55-59 | 29 | 5:07:53 | 5:23:20 | 5:34:10 | 5:45:58 | 7:04:25 | 5:07:53 |
| M60-64 | 22 | 5:16:53 | 5:38:48 | 5:50:27 | 6:07:46 | 6:58:44 | 5:16:53 |
| M65-69 | 9 | 5:36:51 | 5:36:51 | 5:36:51 | 6:04:24 | 6:30:44 | 5:36:51 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 182 | 5:06:04 | 5:35:06 | 5:50:34 | 6:09:26 | 6:50:07 | 4:48:48 |
| F18-24 | 9 | 5:52:48 | 5:52:48 | 5:52:48 | 6:07:06 | 6:24:44 | 5:52:48 |
| F25-29 | 34 | 4:48:48 | 5:12:29 | 5:37:41 | 5:52:05 | 6:37:32 | 4:48:48 |
| F30-34 | 34 | 5:06:04 | 5:09:54 | 5:44:45 | 6:09:26 | 6:46:58 | 5:06:04 |
| F35-39 | 29 | 5:27:49 | 5:35:02 | 5:36:09 | 6:06:31 | 7:06:27 | 5:27:49 |
| F40-44 | 25 | 5:26:05 | 5:34:23 | 5:56:42 | 6:04:03 | 6:53:17 | 5:26:05 |
| F45-49 | 19 | 5:38:53 | 5:38:53 | 5:54:22 | 6:03:18 | 6:17:02 | 5:38:53 |
| F50-54 | 15 | 5:35:06 | 5:35:06 | 6:19:43 | 6:25:31 | 7:13:26 | 5:35:06 |
| F55-59 | 10 | 5:37:54 | 5:37:54 | 5:37:54 | 5:48:15 | 6:50:16 | 5:37:54 |
| F60-64 | 6 | 6:05:35 | 6:05:35 | 6:05:35 | 6:10:47 | 6:22:07 | 6:05:35 |
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.