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 | 785 | 4:24:10 | 4:41:14 | 4:53:09 | 5:12:21 | 5:53:56 | 4:21:13 |
| M18-24 | 60 | 4:23:22 | 4:25:25 | 4:34:32 | 4:47:17 | 5:43:14 | 4:23:22 |
| M25-29 | 86 | 4:23:18 | 4:42:37 | 4:50:02 | 5:02:47 | 5:29:18 | 4:23:18 |
| M30-34 | 131 | 4:21:34 | 4:27:47 | 4:40:47 | 5:04:27 | 5:42:19 | 4:21:13 |
| M35-39 | 112 | 4:36:57 | 4:40:09 | 4:49:22 | 5:18:17 | 5:59:09 | 4:33:53 |
| M40-44 | 119 | 4:33:21 | 4:45:21 | 4:53:09 | 5:15:08 | 5:58:35 | 4:24:04 |
| M45-49 | 84 | 4:31:59 | 4:45:12 | 4:52:25 | 5:05:30 | 5:50:07 | 4:31:59 |
| M50-54 | 103 | 4:43:12 | 4:59:51 | 5:06:17 | 5:27:57 | 6:02:40 | 4:41:14 |
| M55-59 | 41 | 4:34:58 | 5:10:11 | 5:11:50 | 5:30:25 | 6:04:44 | 4:34:58 |
| M60-64 | 29 | 5:03:28 | 5:10:52 | 5:20:31 | 5:36:49 | 6:22:28 | 5:03:28 |
| M65-69 | 13 | 5:20:01 | 5:20:01 | 5:46:34 | 5:47:18 | 7:26:11 | 5:20:01 |
| M70-74 | 7 | 5:55:11 | 5:55:11 | 5:55:11 | 6:40:31 | 7:27:40 | 5:55:11 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 259 | 4:58:16 | 5:12:13 | 5:27:15 | 5:47:52 | 6:29:13 | 4:44:28 |
| F18-24 | 14 | 5:23:35 | 5:23:35 | 5:23:39 | 5:55:32 | 6:26:20 | 5:23:35 |
| F25-29 | 48 | 4:57:16 | 5:01:13 | 5:08:58 | 5:28:59 | 6:15:35 | 4:57:16 |
| F30-34 | 46 | 4:44:28 | 5:05:34 | 5:12:13 | 5:36:33 | 5:58:49 | 4:44:28 |
| F35-39 | 26 | 5:08:18 | 5:26:49 | 5:27:51 | 5:54:06 | 6:18:24 | 5:08:18 |
| F40-44 | 29 | 5:10:12 | 5:10:57 | 5:25:27 | 5:45:50 | 6:26:18 | 5:10:12 |
| F45-49 | 37 | 5:18:21 | 5:27:15 | 5:47:50 | 5:52:36 | 6:54:33 | 5:18:21 |
| F50-54 | 36 | 5:35:53 | 5:47:48 | 5:53:03 | 6:06:38 | 6:38:39 | 5:35:53 |
| F55-59 | 13 | 5:51:02 | 5:51:02 | 5:59:53 | 6:35:57 | 7:17:28 | 5:51:02 |
| F60-64 | 7 | 6:11:49 | 6:11:49 | 6:11:49 | 6:27:56 | 7:18:43 | 6:11:49 |
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.