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 | 918 | 4:28:08 | 4:47:12 | 5:02:16 | 5:27:03 | 6:11:28 | 4:12:46 |
| M18-24 | 31 | 4:33:39 | 4:47:22 | 5:03:15 | 5:38:44 | 6:24:25 | 4:33:39 |
| M25-29 | 68 | 4:32:44 | 4:42:49 | 4:50:43 | 5:05:55 | 5:41:31 | 4:32:44 |
| M30-34 | 114 | 4:25:25 | 4:34:06 | 4:42:59 | 4:55:38 | 5:55:45 | 4:13:14 |
| M35-39 | 169 | 4:24:20 | 4:39:11 | 5:01:04 | 5:21:35 | 6:07:12 | 4:19:50 |
| M40-44 | 173 | 4:25:02 | 4:40:04 | 4:58:02 | 5:18:39 | 6:06:10 | 4:12:46 |
| M45-49 | 132 | 4:52:41 | 5:11:12 | 5:23:33 | 5:41:01 | 6:14:33 | 4:51:45 |
| M50-54 | 98 | 4:47:40 | 4:55:59 | 5:10:54 | 5:34:09 | 6:26:54 | 4:47:40 |
| M55-59 | 76 | 4:47:26 | 5:06:08 | 5:14:04 | 5:36:43 | 6:16:11 | 4:47:26 |
| M60-64 | 39 | 5:03:53 | 5:36:14 | 5:50:37 | 6:01:04 | 6:49:07 | 5:03:53 |
| M65-69 | 14 | 5:41:49 | 5:41:49 | 5:55:11 | 6:04:30 | 6:41:21 | 5:41:49 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 338 | 4:56:40 | 5:20:45 | 5:32:12 | 5:57:00 | 6:43:03 | 4:43:22 |
| F18-24 | 11 | 6:30:34 | 6:30:34 | 6:48:46 | 6:51:45 | 7:02:43 | 6:30:34 |
| F25-29 | 43 | 5:10:09 | 5:32:12 | 5:36:36 | 6:00:12 | 6:27:53 | 5:10:09 |
| F30-34 | 48 | 4:44:08 | 5:00:35 | 5:14:06 | 5:40:21 | 6:36:56 | 4:44:08 |
| F35-39 | 54 | 4:43:22 | 4:56:40 | 5:20:23 | 5:43:48 | 6:41:21 | 4:43:22 |
| F40-44 | 56 | 5:01:27 | 5:27:14 | 5:38:16 | 6:02:04 | 6:46:30 | 5:01:27 |
| F45-49 | 54 | 4:59:52 | 5:22:25 | 5:42:20 | 5:57:14 | 6:35:27 | 4:59:52 |
| F50-54 | 38 | 5:21:26 | 5:23:30 | 5:31:17 | 5:46:57 | 6:55:51 | 5:21:26 |
| F55-59 | 21 | 5:45:40 | 6:00:14 | 6:08:27 | 6:30:44 | 7:02:51 | 5:45:40 |
| F60-64 | 8 | 5:47:51 | 5:47:51 | 5:47:51 | 5:48:12 | 6:15:20 | 5:47:51 |
| F65-69 | 5 | 6:35:07 | 6:35:07 | 6:35:07 | 6:35:07 | 7:12:02 | 6:35:07 |
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.