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 | 820 | 4:21:07 | 4:38:59 | 4:53:32 | 5:19:32 | 6:11:26 | 4:03:49 |
| M18-24 | 50 | 4:37:35 | 4:51:59 | 4:53:29 | 5:07:33 | 6:12:03 | 4:37:35 |
| M25-29 | 65 | 4:16:51 | 4:24:58 | 4:34:56 | 5:07:39 | 6:14:26 | 4:16:51 |
| M30-34 | 103 | 4:09:57 | 4:31:51 | 4:36:59 | 5:00:40 | 6:05:57 | 4:03:49 |
| M35-39 | 112 | 4:20:29 | 4:27:53 | 4:45:16 | 4:56:04 | 5:52:07 | 4:14:51 |
| M40-44 | 153 | 4:24:51 | 4:40:16 | 4:51:51 | 5:25:09 | 6:12:53 | 4:20:01 |
| M45-49 | 125 | 4:35:22 | 4:55:49 | 5:06:25 | 5:24:45 | 6:08:55 | 4:28:00 |
| M50-54 | 91 | 4:37:49 | 4:53:47 | 5:04:41 | 5:26:05 | 6:14:50 | 4:37:49 |
| M55-59 | 53 | 4:39:48 | 4:47:02 | 5:03:16 | 5:30:54 | 6:27:03 | 4:39:48 |
| M60-64 | 49 | 4:33:49 | 4:50:36 | 5:18:27 | 5:43:02 | 6:48:36 | 4:33:49 |
| M65-69 | 13 | 5:39:12 | 5:39:12 | 5:39:57 | 5:54:34 | 6:35:35 | 5:39:12 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 350 | 4:54:33 | 5:10:21 | 5:22:10 | 5:41:22 | 6:33:01 | 4:39:50 |
| F18-24 | 14 | 5:06:49 | 5:06:49 | 5:07:24 | 6:08:23 | 6:38:04 | 5:06:49 |
| F25-29 | 38 | 4:54:33 | 5:13:26 | 5:31:49 | 5:47:55 | 6:34:57 | 4:54:33 |
| F30-34 | 39 | 5:02:24 | 5:07:39 | 5:17:22 | 5:24:51 | 6:28:31 | 5:02:24 |
| F35-39 | 56 | 4:48:42 | 5:03:17 | 5:15:05 | 5:20:21 | 6:30:01 | 4:48:42 |
| F40-44 | 61 | 4:39:50 | 5:09:41 | 5:27:06 | 5:38:27 | 6:27:39 | 4:39:50 |
| F45-49 | 59 | 4:42:31 | 5:01:24 | 5:19:05 | 5:47:56 | 6:19:09 | 4:42:31 |
| F50-54 | 36 | 5:01:04 | 5:25:03 | 5:41:54 | 5:58:07 | 6:31:01 | 5:01:04 |
| F55-59 | 27 | 5:24:29 | 5:27:07 | 5:35:36 | 6:11:48 | 6:41:50 | 5:24:29 |
| F60-64 | 15 | 5:14:49 | 5:14:49 | 5:30:58 | 6:09:18 | 7:41:00 | 5:14:49 |
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.