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 | 2,335 | 4:28:41 | 4:44:20 | 4:54:30 | 5:09:15 | 5:43:28 | 4:09:53 |
| M18-24 | 44 | 4:09:53 | 4:35:12 | 4:47:10 | 5:02:46 | 5:49:40 | 4:09:53 |
| M25-29 | 173 | 4:22:31 | 4:34:37 | 4:46:48 | 5:03:41 | 5:34:16 | 4:22:10 |
| M30-34 | 356 | 4:25:03 | 4:39:56 | 4:46:50 | 5:02:02 | 5:37:43 | 4:16:27 |
| M35-39 | 401 | 4:23:29 | 4:35:11 | 4:49:49 | 5:00:06 | 5:33:07 | 4:14:35 |
| M40-44 | 423 | 4:33:54 | 4:44:07 | 4:55:40 | 5:06:41 | 5:38:09 | 4:23:19 |
| M45-49 | 428 | 4:32:30 | 4:48:03 | 4:57:30 | 5:13:15 | 5:45:06 | 4:19:14 |
| M50-54 | 304 | 4:44:23 | 4:54:15 | 5:08:35 | 5:20:57 | 5:56:39 | 4:40:35 |
| M55-59 | 150 | 4:53:10 | 5:08:15 | 5:20:00 | 5:33:04 | 6:08:33 | 4:52:59 |
| M60-64 | 40 | 5:00:56 | 5:01:21 | 5:20:46 | 5:42:37 | 6:20:53 | 5:00:56 |
| M65-69 | 12 | 5:31:45 | 5:31:45 | 5:38:53 | 5:52:33 | 6:10:46 | 5:31:45 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 436 | 4:56:55 | 5:09:19 | 5:22:56 | 5:42:18 | 6:19:48 | 4:53:38 |
| F18-24 | 5 | 5:17:30 | 5:17:30 | 5:17:30 | 5:17:30 | 5:43:54 | 5:17:30 |
| F25-29 | 35 | 5:09:19 | 5:12:13 | 5:29:46 | 5:41:06 | 6:12:41 | 5:09:19 |
| F30-34 | 75 | 4:53:38 | 4:56:55 | 5:06:48 | 5:29:16 | 6:12:20 | 4:53:38 |
| F35-39 | 78 | 4:54:30 | 5:07:33 | 5:13:07 | 5:32:20 | 6:13:17 | 4:54:30 |
| F40-44 | 92 | 5:00:42 | 5:06:46 | 5:16:54 | 5:32:34 | 6:07:40 | 5:00:42 |
| F45-49 | 75 | 5:04:10 | 5:24:45 | 5:33:52 | 5:46:41 | 6:25:18 | 5:04:10 |
| F50-54 | 52 | 5:00:21 | 5:38:29 | 5:44:52 | 6:01:05 | 6:37:26 | 5:00:21 |
| F55-59 | 17 | 5:47:36 | 5:47:36 | 5:49:31 | 6:06:51 | 6:43:19 | 5:47:36 |
| F60-64 | 6 | 6:31:48 | 6:31:48 | 6:31:48 | 6:35:20 | 6:45:14 | 6:31:48 |
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.