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 | 715 | 4:40:15 | 5:04:52 | 5:22:15 | 5:47:03 | 6:34:12 | 4:17:34 |
| M18-24 | 36 | 4:45:45 | 5:05:30 | 5:20:25 | 5:38:20 | 6:19:41 | 4:45:45 |
| M25-29 | 84 | 4:17:34 | 4:56:50 | 5:13:53 | 5:43:38 | 6:27:20 | 4:17:34 |
| M30-34 | 94 | 4:20:27 | 4:45:29 | 5:06:24 | 5:27:21 | 6:20:26 | 4:20:27 |
| M35-39 | 121 | 4:34:44 | 5:05:38 | 5:20:09 | 5:45:16 | 6:19:38 | 4:26:52 |
| M40-44 | 109 | 4:43:55 | 5:03:15 | 5:21:07 | 5:44:50 | 6:22:19 | 4:41:09 |
| M45-49 | 92 | 4:31:54 | 5:08:04 | 5:32:10 | 6:02:10 | 6:47:16 | 4:31:54 |
| M50-54 | 88 | 4:53:58 | 5:22:29 | 5:34:40 | 5:56:36 | 6:39:12 | 4:53:58 |
| M55-59 | 52 | 5:01:21 | 5:14:54 | 5:41:12 | 6:12:14 | 6:51:04 | 5:01:21 |
| M60-64 | 30 | 6:16:48 | 6:19:41 | 6:20:42 | 6:28:31 | 7:02:39 | 6:16:48 |
| M65-69 | 7 | 6:58:00 | 6:58:00 | 6:58:00 | 7:03:08 | 7:25:26 | 6:58:00 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 274 | 5:02:50 | 5:33:07 | 5:49:43 | 6:07:32 | 6:47:20 | 4:37:40 |
| F18-24 | 13 | 5:33:56 | 5:33:56 | 5:38:18 | 5:49:43 | 6:21:29 | 5:33:56 |
| F25-29 | 58 | 5:07:09 | 5:17:35 | 5:33:07 | 5:56:00 | 6:38:40 | 5:07:09 |
| F30-34 | 33 | 5:39:56 | 5:47:35 | 5:49:47 | 6:06:26 | 6:36:11 | 5:39:56 |
| F35-39 | 47 | 4:37:40 | 5:02:50 | 5:22:00 | 6:07:51 | 6:42:39 | 4:37:40 |
| F40-44 | 41 | 5:12:25 | 5:52:16 | 6:07:51 | 6:20:03 | 6:54:56 | 5:12:25 |
| F45-49 | 38 | 5:49:14 | 6:06:16 | 6:11:15 | 6:29:11 | 7:07:29 | 5:49:14 |
| F50-54 | 27 | 5:15:28 | 5:37:05 | 5:55:37 | 6:32:39 | 7:05:41 | 5:15:28 |
| F55-59 | 10 | 5:34:59 | 5:34:59 | 5:34:59 | 5:51:36 | 7:00:59 | 5:34:59 |
| F60-64 | 5 | 5:40:49 | 5:40:49 | 5:40:49 | 5:40:49 | 6:57:47 | 5:40:49 |
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.