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 | 1,452 | 9:14:55 | 10:11:38 | 10:52:06 | 11:41:37 | 13:32:18 | 8:23:30 |
| M18-24 | 24 | 9:23:38 | 10:09:24 | 10:11:12 | 10:52:54 | 13:03:27 | 9:23:38 |
| M25-29 | 75 | 8:48:33 | 9:28:13 | 10:00:24 | 10:38:54 | 12:56:25 | 8:48:33 |
| M30-34 | 152 | 8:38:46 | 9:33:26 | 10:11:48 | 11:03:46 | 12:48:11 | 8:23:30 |
| M35-39 | 192 | 8:53:19 | 9:56:45 | 10:27:39 | 11:33:02 | 13:12:45 | 8:40:54 |
| M40-44 | 235 | 9:20:31 | 10:00:51 | 10:47:59 | 11:31:39 | 13:21:37 | 8:56:34 |
| M45-49 | 240 | 9:53:29 | 10:30:16 | 11:03:02 | 11:46:48 | 13:22:53 | 9:36:07 |
| M50-54 | 274 | 9:35:20 | 10:24:01 | 10:56:53 | 11:48:02 | 13:37:54 | 9:29:13 |
| M55-59 | 152 | 10:40:58 | 11:09:29 | 12:05:19 | 12:48:05 | 14:22:33 | 10:36:14 |
| M60-64 | 74 | 10:51:17 | 11:14:21 | 12:13:52 | 13:16:17 | 14:29:12 | 10:51:17 |
| M65-69 | 25 | 11:23:21 | 11:57:30 | 12:50:45 | 13:38:35 | 15:21:25 | 11:23:21 |
| M70-74 | 6 | 12:53:24 | 12:53:24 | 12:53:24 | 15:27:52 | 15:43:07 | 12:53:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 480 | 10:12:42 | 10:58:46 | 11:39:11 | 12:30:45 | 14:16:27 | 9:57:34 |
| F25-29 | 32 | 9:57:34 | 10:36:24 | 10:40:56 | 11:36:11 | 14:12:58 | 9:57:34 |
| F30-34 | 56 | 10:12:42 | 11:03:29 | 11:22:27 | 11:56:31 | 13:51:14 | 10:12:42 |
| F35-39 | 56 | 10:02:05 | 10:18:56 | 10:43:08 | 11:36:18 | 13:59:36 | 10:02:05 |
| F40-44 | 89 | 10:24:08 | 11:18:55 | 12:03:59 | 12:31:20 | 13:53:07 | 10:24:08 |
| F45-49 | 99 | 10:12:06 | 10:51:00 | 11:21:11 | 12:28:58 | 14:03:23 | 10:12:06 |
| F50-54 | 77 | 10:58:46 | 11:17:13 | 12:05:07 | 12:42:54 | 14:36:15 | 10:58:46 |
| F55-59 | 39 | 12:58:15 | 13:08:14 | 13:34:22 | 13:59:01 | 15:06:32 | 12:58:15 |
| F60-64 | 21 | 12:36:11 | 12:55:28 | 13:20:37 | 13:46:05 | 15:10:11 | 12:36:11 |
| F65-69 | 6 | 13:11:42 | 13:11:42 | 13:11:42 | 14:45:25 | 14:50:33 | 13:11:42 |
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.