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 | 982 | 4:22:12 | 4:35:48 | 4:44:19 | 4:58:46 | 5:29:46 | 4:07:47 |
| M18-24 | 45 | 4:13:44 | 4:24:18 | 4:36:14 | 4:42:49 | 5:06:53 | 4:13:44 |
| M25-29 | 110 | 4:09:55 | 4:24:55 | 4:32:59 | 4:43:49 | 5:13:48 | 4:07:47 |
| M30-34 | 141 | 4:23:05 | 4:31:18 | 4:38:34 | 4:52:39 | 5:28:55 | 4:21:47 |
| M35-39 | 167 | 4:23:39 | 4:38:42 | 4:47:38 | 5:01:25 | 5:25:23 | 4:17:43 |
| M40-44 | 198 | 4:18:26 | 4:36:19 | 4:44:19 | 4:56:55 | 5:26:50 | 4:08:25 |
| M45-49 | 149 | 4:26:50 | 4:38:39 | 4:51:58 | 5:04:16 | 5:33:52 | 4:23:25 |
| M50-54 | 100 | 4:30:30 | 4:48:30 | 4:59:46 | 5:18:05 | 5:44:44 | 4:30:30 |
| M55-59 | 48 | 4:55:31 | 5:00:07 | 5:03:44 | 5:12:57 | 5:49:07 | 4:55:31 |
| M60-64 | 17 | 4:41:01 | 4:41:01 | 4:59:10 | 5:30:05 | 5:55:25 | 4:41:01 |
| M65-69 | 7 | 5:41:32 | 5:41:32 | 5:41:32 | 5:42:43 | 5:55:42 | 5:41:32 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 186 | 4:46:18 | 5:06:44 | 5:20:12 | 5:29:42 | 6:03:35 | 4:46:02 |
| F18-24 | 7 | 5:02:27 | 5:02:27 | 5:02:27 | 5:23:46 | 6:50:16 | 5:02:27 |
| F25-29 | 29 | 4:46:02 | 4:58:25 | 5:03:27 | 5:29:58 | 5:56:19 | 4:46:02 |
| F30-34 | 22 | 4:46:18 | 5:20:12 | 5:25:41 | 5:26:18 | 5:54:11 | 4:46:18 |
| F35-39 | 27 | 4:47:12 | 4:56:54 | 5:04:52 | 5:37:50 | 6:03:29 | 4:47:12 |
| F40-44 | 38 | 5:06:44 | 5:19:31 | 5:23:10 | 5:35:32 | 6:17:09 | 5:06:44 |
| F45-49 | 37 | 4:57:22 | 5:09:46 | 5:15:34 | 5:25:12 | 6:07:12 | 4:57:22 |
| F50-54 | 19 | 5:11:16 | 5:11:16 | 5:22:50 | 5:32:40 | 6:04:11 | 5:11:16 |
| F55-59 | 5 | 5:32:16 | 5:32:16 | 5:32:16 | 5:32:16 | 5:41:23 | 5:32:16 |
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.