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 | 557 | 4:18:57 | 4:39:34 | 4:50:52 | 5:12:02 | 6:00:33 | 4:10:05 |
| M18-24 | 47 | 4:10:05 | 4:31:14 | 4:38:02 | 5:00:13 | 5:47:59 | 4:10:05 |
| M25-29 | 67 | 4:23:07 | 4:34:45 | 4:44:39 | 5:07:00 | 5:57:35 | 4:23:07 |
| M30-34 | 81 | 4:15:12 | 4:28:36 | 4:42:19 | 4:59:41 | 5:42:06 | 4:15:12 |
| M35-39 | 71 | 4:13:58 | 4:38:56 | 4:50:49 | 5:05:44 | 5:51:20 | 4:13:58 |
| M40-44 | 69 | 4:16:53 | 4:30:11 | 4:45:04 | 5:09:23 | 6:04:46 | 4:16:53 |
| M45-49 | 86 | 4:38:16 | 4:46:42 | 4:56:33 | 5:17:42 | 6:07:21 | 4:38:16 |
| M50-54 | 48 | 4:40:30 | 4:55:26 | 5:04:47 | 5:21:49 | 5:49:43 | 4:40:30 |
| M55-59 | 39 | 4:39:34 | 4:50:34 | 5:05:20 | 5:21:00 | 6:12:19 | 4:39:34 |
| M60-64 | 28 | 5:09:15 | 5:10:06 | 5:15:33 | 5:42:39 | 6:42:04 | 5:09:15 |
| M65-69 | 14 | 5:51:24 | 5:51:24 | 5:57:55 | 6:03:20 | 6:25:04 | 5:51:24 |
| M70-74 | 6 | 7:15:23 | 7:15:23 | 7:15:23 | 7:17:00 | 7:47:53 | 7:15:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 220 | 4:44:47 | 5:04:06 | 5:22:26 | 5:44:09 | 6:28:55 | 4:35:09 |
| F18-24 | 18 | 4:58:17 | 4:58:17 | 5:04:23 | 5:28:08 | 6:04:50 | 4:58:17 |
| F25-29 | 29 | 4:57:22 | 5:02:50 | 5:22:26 | 5:44:26 | 6:16:45 | 4:57:22 |
| F30-34 | 32 | 4:35:09 | 4:43:32 | 4:55:26 | 5:04:06 | 6:01:19 | 4:35:09 |
| F35-39 | 33 | 5:05:09 | 5:06:10 | 5:19:51 | 5:34:33 | 6:16:44 | 5:05:09 |
| F40-44 | 31 | 5:10:23 | 5:15:50 | 5:57:53 | 6:09:31 | 6:56:19 | 5:10:23 |
| F45-49 | 26 | 4:44:47 | 5:19:54 | 5:21:50 | 5:43:44 | 6:32:18 | 4:44:47 |
| F50-54 | 25 | 5:36:34 | 5:36:36 | 5:42:44 | 5:47:45 | 6:57:43 | 5:36:34 |
| F55-59 | 11 | 5:10:54 | 5:10:54 | 5:25:08 | 5:26:52 | 6:03:03 | 5:10:54 |
| F60-64 | 11 | 6:09:27 | 6:09:27 | 6:14:19 | 6:24:35 | 7:21:43 | 6:09:27 |
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.