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 | 789 | 3:43:11 | 3:55:56 | 4:06:49 | 4:20:00 | 4:52:21 | 3:30:03 |
| M18-24 | 71 | 3:30:03 | 3:55:56 | 4:03:17 | 4:24:29 | 4:54:47 | 3:30:03 |
| M25-29 | 113 | 3:46:13 | 3:50:09 | 4:03:47 | 4:16:30 | 4:51:38 | 3:30:19 |
| M30-34 | 106 | 3:44:34 | 3:48:53 | 3:55:41 | 4:06:49 | 4:42:47 | 3:42:13 |
| M35-39 | 117 | 3:40:33 | 3:48:01 | 4:04:13 | 4:11:34 | 4:49:54 | 3:31:46 |
| M40-44 | 96 | 3:36:42 | 3:46:56 | 4:06:23 | 4:16:26 | 4:42:33 | 3:36:42 |
| M45-49 | 87 | 3:53:46 | 4:06:05 | 4:15:11 | 4:22:33 | 4:48:09 | 3:53:46 |
| M50-54 | 77 | 3:58:05 | 4:12:25 | 4:16:59 | 4:26:10 | 4:47:28 | 3:58:05 |
| M55-59 | 63 | 4:01:58 | 4:14:19 | 4:22:54 | 4:29:10 | 4:47:24 | 4:01:58 |
| M60-64 | 40 | 4:12:50 | 4:18:50 | 4:21:35 | 4:51:34 | 5:07:47 | 4:12:50 |
| M65-69 | 10 | 4:30:18 | 4:30:18 | 4:30:18 | 5:04:39 | 5:28:14 | 4:30:18 |
| M70-74 | 8 | 5:09:09 | 5:09:09 | 5:09:09 | 5:38:58 | 5:46:24 | 5:09:09 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 268 | 4:10:37 | 4:29:42 | 4:34:36 | 4:47:23 | 5:18:34 | 4:03:54 |
| F18-24 | 18 | 4:25:29 | 4:25:29 | 4:34:08 | 4:37:05 | 5:16:01 | 4:25:29 |
| F25-29 | 38 | 4:15:37 | 4:29:42 | 4:32:58 | 4:43:24 | 5:13:20 | 4:15:37 |
| F30-34 | 26 | 4:13:11 | 4:28:32 | 4:34:10 | 4:49:29 | 5:34:10 | 4:13:11 |
| F35-39 | 36 | 4:04:03 | 4:21:46 | 4:37:49 | 4:47:23 | 5:09:37 | 4:04:03 |
| F40-44 | 36 | 4:03:54 | 4:17:12 | 4:31:01 | 4:39:54 | 5:09:36 | 4:03:54 |
| F45-49 | 35 | 4:10:37 | 4:15:13 | 4:27:22 | 4:36:01 | 4:59:49 | 4:10:37 |
| F50-54 | 37 | 4:31:36 | 4:34:36 | 4:42:29 | 5:00:04 | 5:28:00 | 4:31:36 |
| F55-59 | 20 | 4:30:35 | 4:30:35 | 4:32:30 | 4:51:35 | 5:34:36 | 4:30:35 |
| F60-64 | 13 | 5:02:35 | 5:02:35 | 5:14:43 | 5:17:46 | 5:33:13 | 5:02:35 |
| F65-69 | 6 | 5:13:53 | 5:13:53 | 5:13:53 | 5:18:34 | 6:07:37 | 5:13:53 |
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.