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 | 551 | 4:25:47 | 4:45:52 | 5:02:50 | 5:32:26 | 6:20:05 | 4:04:52 |
| M18-24 | 54 | 4:13:03 | 4:28:53 | 5:15:15 | 5:41:09 | 6:30:33 | 4:13:03 |
| M25-29 | 80 | 4:27:35 | 4:49:56 | 5:13:17 | 5:44:52 | 6:24:46 | 4:27:35 |
| M30-34 | 88 | 4:04:52 | 4:36:10 | 4:46:54 | 5:16:53 | 6:18:53 | 4:04:52 |
| M35-39 | 73 | 4:17:00 | 4:31:35 | 4:59:15 | 5:22:41 | 6:24:01 | 4:17:00 |
| M40-44 | 75 | 4:27:21 | 4:57:28 | 5:03:19 | 5:18:36 | 6:03:26 | 4:27:21 |
| M45-49 | 56 | 4:25:22 | 4:42:46 | 4:46:10 | 5:25:16 | 6:10:57 | 4:25:22 |
| M50-54 | 49 | 4:26:34 | 4:57:08 | 5:15:12 | 5:36:17 | 6:20:45 | 4:26:34 |
| M55-59 | 38 | 4:49:43 | 4:56:36 | 5:03:45 | 5:33:10 | 6:24:06 | 4:49:43 |
| M60-64 | 22 | 5:10:39 | 5:13:49 | 5:16:33 | 5:51:25 | 6:16:39 | 5:10:39 |
| M65-69 | 13 | 5:36:00 | 5:36:00 | 5:54:54 | 5:55:23 | 7:03:08 | 5:36:00 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 211 | 4:47:12 | 5:09:58 | 5:29:46 | 5:53:18 | 6:45:11 | 4:30:06 |
| F18-24 | 10 | 5:44:47 | 5:44:47 | 5:44:47 | 5:56:32 | 6:35:24 | 5:44:47 |
| F25-29 | 18 | 5:09:56 | 5:09:56 | 5:11:05 | 5:43:22 | 6:49:02 | 5:09:56 |
| F30-34 | 42 | 4:42:08 | 5:01:21 | 5:09:58 | 5:33:04 | 6:34:26 | 4:42:08 |
| F35-39 | 29 | 4:57:02 | 4:59:43 | 5:14:07 | 5:35:01 | 6:22:25 | 4:57:02 |
| F40-44 | 38 | 4:30:06 | 4:54:14 | 5:15:58 | 5:43:47 | 6:29:27 | 4:30:06 |
| F45-49 | 18 | 5:21:57 | 5:21:57 | 5:53:18 | 6:20:57 | 7:07:39 | 5:21:57 |
| F50-54 | 28 | 5:28:11 | 5:33:28 | 5:58:45 | 6:14:15 | 6:49:10 | 5:28:11 |
| F55-59 | 14 | 5:52:44 | 5:52:44 | 6:22:41 | 6:24:58 | 6:41:37 | 5:52:44 |
| F60-64 | 6 | 5:51:23 | 5:51:23 | 5:51:23 | 6:03:18 | 6:21:37 | 5:51:23 |
| F65-69 | 5 | 6:06:32 | 6:06:32 | 6:06:32 | 6:06:32 | 6:59:40 | 6:06:32 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.