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 | 971 | 4:29:37 | 4:44:13 | 4:55:32 | 5:11:49 | 5:56:21 | 4:15:59 |
| M18-24 | 36 | 4:18:10 | 4:20:30 | 4:42:27 | 5:02:34 | 5:38:15 | 4:18:10 |
| M25-29 | 114 | 4:23:20 | 4:31:58 | 4:46:51 | 5:05:22 | 5:47:13 | 4:21:28 |
| M30-34 | 146 | 4:16:41 | 4:42:47 | 4:51:51 | 5:10:06 | 5:57:36 | 4:15:59 |
| M35-39 | 162 | 4:29:37 | 4:44:13 | 4:55:32 | 5:10:28 | 5:56:32 | 4:22:43 |
| M40-44 | 171 | 4:30:48 | 4:46:28 | 4:55:48 | 5:09:47 | 5:52:36 | 4:30:48 |
| M45-49 | 159 | 4:33:36 | 4:42:34 | 4:49:22 | 5:06:41 | 5:54:55 | 4:32:25 |
| M50-54 | 102 | 4:37:26 | 5:01:24 | 5:04:35 | 5:19:47 | 5:56:21 | 4:36:01 |
| M55-59 | 47 | 4:41:36 | 4:55:54 | 5:16:04 | 5:31:48 | 6:14:26 | 4:41:36 |
| M60-64 | 23 | 5:36:52 | 5:44:02 | 5:44:30 | 5:58:26 | 7:02:31 | 5:36:52 |
| M65-69 | 5 | 7:21:06 | 7:21:06 | 7:21:06 | 7:21:06 | 7:27:21 | 7:21:06 |
| M70-74 | 5 | 6:49:38 | 6:49:38 | 6:49:38 | 6:49:38 | 7:13:10 | 6:49:38 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 467 | 4:52:29 | 5:11:23 | 5:28:05 | 5:49:42 | 6:32:54 | 4:38:55 |
| F18-24 | 10 | 4:38:55 | 4:38:55 | 4:38:55 | 5:20:47 | 5:33:36 | 4:38:55 |
| F25-29 | 68 | 4:57:11 | 5:10:58 | 5:28:29 | 5:44:32 | 6:19:12 | 4:57:11 |
| F30-34 | 105 | 4:59:36 | 5:11:23 | 5:25:44 | 5:50:32 | 6:29:00 | 4:53:52 |
| F35-39 | 72 | 4:40:57 | 4:59:51 | 5:18:59 | 5:49:11 | 6:26:12 | 4:40:57 |
| F40-44 | 88 | 4:52:02 | 5:09:52 | 5:24:38 | 5:44:46 | 6:33:10 | 4:52:02 |
| F45-49 | 46 | 5:01:00 | 5:25:11 | 5:39:19 | 5:56:56 | 6:29:21 | 5:01:00 |
| F50-54 | 43 | 5:12:26 | 5:34:56 | 5:38:23 | 5:51:21 | 6:31:14 | 5:12:26 |
| F55-59 | 17 | 5:36:05 | 5:36:05 | 6:05:21 | 6:15:08 | 6:46:48 | 5:36:05 |
| F60-64 | 15 | 6:36:30 | 6:36:30 | 6:41:15 | 6:43:18 | 7:09:44 | 6:36:30 |
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.