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 | 647 | 4:21:21 | 4:50:45 | 5:09:24 | 5:30:25 | 6:17:22 | 4:03:15 |
| M18-24 | 40 | 4:44:41 | 4:52:32 | 4:55:31 | 5:13:41 | 6:01:03 | 4:44:41 |
| M25-29 | 93 | 4:17:48 | 4:44:46 | 4:53:36 | 5:27:23 | 6:05:51 | 4:17:48 |
| M30-34 | 90 | 4:12:09 | 4:28:01 | 4:46:32 | 5:25:05 | 6:20:07 | 4:12:09 |
| M35-39 | 90 | 4:33:12 | 4:56:50 | 5:14:41 | 5:28:47 | 6:13:15 | 4:33:12 |
| M40-44 | 101 | 4:19:16 | 4:39:22 | 5:09:11 | 5:32:57 | 6:09:46 | 4:03:15 |
| M45-49 | 77 | 4:37:46 | 4:59:07 | 5:05:46 | 5:21:53 | 6:26:02 | 4:37:46 |
| M50-54 | 72 | 4:38:23 | 5:06:51 | 5:19:19 | 5:32:07 | 6:20:29 | 4:38:23 |
| M55-59 | 48 | 4:50:42 | 5:00:23 | 5:14:18 | 5:36:15 | 6:29:59 | 4:50:42 |
| M60-64 | 28 | 5:16:47 | 5:47:44 | 5:52:08 | 5:57:29 | 7:00:51 | 5:16:47 |
| M65-69 | 7 | 6:25:47 | 6:25:47 | 6:25:47 | 6:39:05 | 7:15:12 | 6:25:47 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 228 | 5:02:45 | 5:20:13 | 5:31:22 | 5:55:33 | 6:40:02 | 4:56:14 |
| F18-24 | 25 | 5:17:09 | 5:21:43 | 5:38:06 | 5:49:45 | 6:18:13 | 5:17:09 |
| F25-29 | 41 | 5:02:45 | 5:14:48 | 5:16:50 | 5:39:47 | 6:32:33 | 5:02:45 |
| F30-34 | 40 | 4:59:47 | 5:05:54 | 5:33:43 | 5:56:55 | 6:47:35 | 4:59:47 |
| F35-39 | 28 | 4:56:14 | 5:11:02 | 5:13:36 | 5:55:52 | 6:38:08 | 4:56:14 |
| F40-44 | 25 | 5:20:13 | 5:23:04 | 5:25:54 | 5:51:07 | 6:44:00 | 5:20:13 |
| F45-49 | 21 | 5:22:30 | 5:24:35 | 5:35:21 | 5:43:00 | 6:19:20 | 5:22:30 |
| F50-54 | 30 | 5:56:47 | 5:56:56 | 6:00:02 | 6:09:49 | 6:53:23 | 5:56:47 |
| F55-59 | 9 | 5:21:43 | 5:21:43 | 5:21:43 | 5:30:22 | 6:56:31 | 5:21:43 |
| F60-64 | 5 | 5:43:49 | 5:43:49 | 5:43:49 | 5:43:49 | 7:06:12 | 5:43:49 |
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.