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 | 1,269 | 4:33:22 | 4:56:44 | 5:06:17 | 5:26:50 | 6:13:59 | 4:17:19 |
| M18-24 | 80 | 4:23:56 | 4:37:06 | 4:43:35 | 4:55:58 | 5:54:11 | 4:23:56 |
| M25-29 | 162 | 4:28:39 | 4:53:12 | 5:00:09 | 5:20:47 | 6:04:02 | 4:28:30 |
| M30-34 | 201 | 4:32:47 | 4:51:25 | 4:59:16 | 5:18:45 | 6:08:35 | 4:17:19 |
| M35-39 | 179 | 4:33:22 | 4:51:10 | 4:59:20 | 5:17:59 | 6:13:17 | 4:31:09 |
| M40-44 | 189 | 4:48:51 | 4:59:45 | 5:05:02 | 5:28:21 | 6:13:35 | 4:44:08 |
| M45-49 | 165 | 4:51:45 | 5:06:54 | 5:11:10 | 5:24:48 | 6:18:52 | 4:46:51 |
| M50-54 | 157 | 4:55:39 | 5:07:09 | 5:23:27 | 5:36:50 | 6:25:44 | 4:54:22 |
| M55-59 | 86 | 4:54:39 | 5:17:29 | 5:24:19 | 5:40:17 | 6:14:28 | 4:54:39 |
| M60-64 | 36 | 5:20:45 | 5:30:20 | 5:35:29 | 6:04:33 | 6:21:30 | 5:20:45 |
| M65-69 | 13 | 6:02:36 | 6:02:36 | 6:03:19 | 6:06:03 | 6:55:29 | 6:02:36 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 223 | 5:06:46 | 5:27:20 | 5:37:56 | 5:56:16 | 6:41:15 | 5:02:42 |
| F18-24 | 18 | 5:02:42 | 5:02:42 | 5:12:00 | 5:59:21 | 6:12:13 | 5:02:42 |
| F25-29 | 43 | 5:06:46 | 5:20:08 | 5:27:13 | 5:36:49 | 6:32:04 | 5:06:46 |
| F30-34 | 40 | 5:31:06 | 5:32:57 | 5:44:17 | 5:53:53 | 6:26:03 | 5:31:06 |
| F35-39 | 24 | 5:17:16 | 5:29:25 | 5:36:20 | 5:57:46 | 6:44:34 | 5:17:16 |
| F40-44 | 29 | 5:05:26 | 5:18:57 | 5:36:38 | 5:45:09 | 6:27:57 | 5:05:26 |
| F45-49 | 30 | 5:18:31 | 5:37:59 | 5:38:43 | 5:43:53 | 6:41:11 | 5:18:31 |
| F50-54 | 18 | 5:47:51 | 5:47:51 | 5:52:15 | 6:21:12 | 6:50:27 | 5:47:51 |
| F55-59 | 16 | 5:56:16 | 5:56:16 | 6:12:48 | 6:23:20 | 6:46:43 | 5:56:16 |
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.