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 | 1,120 | 4:15:20 | 4:34:18 | 4:49:16 | 5:09:11 | 6:01:45 | 3:57:50 |
| M18-24 | 44 | 4:00:48 | 4:15:40 | 4:20:44 | 4:34:18 | 5:40:28 | 4:00:48 |
| M25-29 | 119 | 4:11:39 | 4:17:37 | 4:33:51 | 4:51:17 | 5:52:36 | 4:10:50 |
| M30-34 | 154 | 4:15:22 | 4:27:25 | 4:45:19 | 5:10:37 | 5:57:10 | 4:10:09 |
| M35-39 | 162 | 4:09:10 | 4:34:19 | 4:47:42 | 4:59:32 | 5:44:35 | 4:08:55 |
| M40-44 | 188 | 4:20:58 | 4:37:11 | 4:52:53 | 5:08:29 | 6:00:02 | 3:57:50 |
| M45-49 | 127 | 4:15:20 | 4:43:39 | 4:49:15 | 5:12:46 | 6:02:08 | 4:09:30 |
| M50-54 | 136 | 4:17:55 | 4:44:57 | 4:57:58 | 5:22:12 | 6:11:24 | 4:16:12 |
| M55-59 | 104 | 4:36:39 | 4:46:10 | 5:02:32 | 5:25:45 | 6:17:34 | 4:34:42 |
| M60-64 | 42 | 4:37:54 | 5:12:18 | 5:14:43 | 5:30:50 | 6:22:18 | 4:37:54 |
| M65-69 | 32 | 4:58:10 | 5:19:03 | 5:41:33 | 5:49:08 | 6:32:12 | 4:58:10 |
| M70-74 | 6 | 5:37:47 | 5:37:47 | 5:37:47 | 6:30:37 | 6:35:55 | 5:37:47 |
| M75-79 | 5 | 6:55:44 | 6:55:44 | 6:55:44 | 6:55:44 | 7:48:37 | 6:55:44 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 449 | 4:49:38 | 5:07:36 | 5:24:57 | 5:45:39 | 6:34:30 | 4:28:58 |
| F18-24 | 14 | 4:32:56 | 4:32:56 | 4:45:42 | 5:01:44 | 6:12:09 | 4:32:56 |
| F25-29 | 49 | 5:02:19 | 5:13:35 | 5:27:49 | 5:45:07 | 6:19:15 | 5:02:19 |
| F30-34 | 55 | 4:46:07 | 4:51:43 | 5:08:55 | 5:32:02 | 6:15:35 | 4:46:07 |
| F35-39 | 68 | 4:28:58 | 4:53:52 | 5:08:06 | 5:37:46 | 6:21:57 | 4:28:58 |
| F40-44 | 64 | 4:58:48 | 5:22:48 | 5:34:10 | 5:51:06 | 6:54:46 | 4:58:48 |
| F45-49 | 60 | 5:01:30 | 5:08:34 | 5:18:38 | 5:43:28 | 6:20:01 | 5:01:30 |
| F50-54 | 61 | 4:50:03 | 5:18:18 | 5:34:40 | 5:55:44 | 6:59:14 | 4:50:03 |
| F55-59 | 37 | 5:04:17 | 5:11:20 | 5:33:47 | 5:59:00 | 6:49:42 | 5:04:17 |
| F60-64 | 31 | 5:32:07 | 5:47:19 | 5:54:47 | 6:18:59 | 6:54:11 | 5:32:07 |
| F65-69 | 9 | 6:24:48 | 6:24:48 | 6:24:48 | 6:36:02 | 6:43:13 | 6:24:48 |
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.