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 | 1,345 | 4:19:17 | 4:45:00 | 4:58:50 | 5:20:01 | 6:06:19 | 3:55:54 |
| M18-24 | 81 | 4:11:22 | 4:20:27 | 4:44:22 | 5:13:11 | 6:00:17 | 4:11:22 |
| M25-29 | 158 | 4:22:37 | 4:45:07 | 4:58:52 | 5:19:35 | 5:59:41 | 4:07:57 |
| M30-34 | 175 | 4:19:17 | 4:40:34 | 4:53:33 | 5:17:25 | 6:06:52 | 4:09:28 |
| M35-39 | 225 | 4:02:05 | 4:40:34 | 4:53:37 | 5:07:13 | 6:00:00 | 3:55:54 |
| M40-44 | 192 | 4:20:11 | 4:43:49 | 4:57:25 | 5:12:41 | 5:56:09 | 4:19:02 |
| M45-49 | 170 | 4:23:17 | 4:48:05 | 4:59:46 | 5:21:41 | 6:08:59 | 4:13:24 |
| M50-54 | 162 | 4:27:09 | 4:54:14 | 5:09:53 | 5:21:10 | 5:58:35 | 4:17:37 |
| M55-59 | 104 | 4:35:32 | 5:02:10 | 5:11:37 | 5:30:07 | 6:21:47 | 4:28:46 |
| M60-64 | 44 | 4:44:16 | 5:14:16 | 5:21:48 | 5:38:32 | 6:32:10 | 4:44:16 |
| M65-69 | 26 | 5:27:52 | 5:51:33 | 5:51:44 | 6:08:00 | 6:33:58 | 5:27:52 |
| M70-74 | 7 | 6:06:18 | 6:06:18 | 6:06:18 | 6:15:51 | 7:43:47 | 6:06:18 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 447 | 4:46:07 | 5:09:39 | 5:21:59 | 5:44:02 | 6:32:50 | 4:31:00 |
| F18-24 | 21 | 5:49:15 | 5:55:38 | 5:59:07 | 6:10:14 | 6:38:10 | 5:49:15 |
| F25-29 | 36 | 4:43:15 | 4:53:53 | 4:58:48 | 5:28:40 | 6:16:00 | 4:43:15 |
| F30-34 | 65 | 4:50:57 | 4:59:33 | 5:15:04 | 5:29:22 | 6:25:06 | 4:50:57 |
| F35-39 | 66 | 4:31:00 | 4:50:32 | 5:15:10 | 5:32:53 | 6:34:14 | 4:31:00 |
| F40-44 | 78 | 4:40:03 | 5:17:05 | 5:24:53 | 5:40:36 | 6:24:50 | 4:40:03 |
| F45-49 | 60 | 4:51:21 | 5:03:00 | 5:16:43 | 5:38:02 | 6:07:03 | 4:51:21 |
| F50-54 | 51 | 5:02:04 | 5:20:42 | 5:29:57 | 5:45:37 | 6:39:45 | 5:02:04 |
| F55-59 | 36 | 4:44:01 | 5:06:48 | 5:25:17 | 6:04:31 | 6:35:17 | 4:44:01 |
| F60-64 | 22 | 5:30:40 | 5:46:30 | 5:48:10 | 6:11:36 | 6:59:36 | 5:30:40 |
| F65-69 | 8 | 6:28:01 | 6:28:01 | 6:28:01 | 6:30:11 | 7:22:39 | 6:28:01 |
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.