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 | 1,254 | 3:55:11 | 4:21:15 | 4:38:27 | 4:54:24 | 5:26:57 | 3:43:38 |
| MPRO | 30 | 3:43:38 | 3:44:06 | 3:45:55 | 3:47:56 | 3:56:06 | 3:43:38 |
| M18-24 | 93 | 4:01:59 | 4:23:15 | 4:41:58 | 4:55:28 | 5:37:41 | 4:01:59 |
| M25-29 | 203 | 4:08:10 | 4:22:28 | 4:37:04 | 4:54:08 | 5:26:18 | 4:00:57 |
| M30-34 | 218 | 4:10:40 | 4:19:32 | 4:28:59 | 4:48:06 | 5:22:57 | 4:02:32 |
| M35-39 | 154 | 4:13:13 | 4:28:41 | 4:41:25 | 4:58:10 | 5:25:30 | 4:08:10 |
| M40-44 | 147 | 4:15:58 | 4:29:23 | 4:39:13 | 4:51:22 | 5:27:08 | 4:02:01 |
| M45-49 | 135 | 4:30:10 | 4:43:47 | 4:47:30 | 4:56:53 | 5:22:15 | 4:29:51 |
| M50-54 | 109 | 4:25:57 | 4:38:46 | 4:52:32 | 5:06:57 | 5:32:27 | 4:20:05 |
| M55-59 | 91 | 4:34:45 | 4:47:47 | 4:50:46 | 5:06:32 | 5:31:03 | 4:34:45 |
| M60-64 | 55 | 4:52:50 | 4:55:12 | 5:02:13 | 5:13:46 | 5:52:19 | 4:52:50 |
| M65-69 | 14 | 5:21:54 | 5:21:54 | 5:22:09 | 5:26:23 | 5:47:50 | 5:21:54 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 363 | 4:19:52 | 4:51:34 | 5:08:52 | 5:27:34 | 5:59:02 | 4:12:25 |
| FPRO | 14 | 4:12:25 | 4:12:25 | 4:14:05 | 4:15:41 | 4:24:27 | 4:12:25 |
| F18-24 | 31 | 5:00:01 | 5:07:40 | 5:15:55 | 5:28:20 | 6:13:25 | 5:00:01 |
| F25-29 | 64 | 4:32:52 | 5:00:04 | 5:09:31 | 5:27:21 | 5:57:55 | 4:32:52 |
| F30-34 | 71 | 4:34:25 | 4:53:02 | 4:59:28 | 5:28:21 | 5:55:58 | 4:34:25 |
| F35-39 | 50 | 5:11:26 | 5:13:15 | 5:20:19 | 5:36:50 | 5:56:33 | 5:11:26 |
| F40-44 | 39 | 4:26:34 | 4:57:26 | 5:08:13 | 5:15:36 | 5:57:28 | 4:26:34 |
| F45-49 | 32 | 5:11:45 | 5:14:55 | 5:19:33 | 5:40:29 | 6:01:48 | 5:11:45 |
| F50-54 | 34 | 4:56:02 | 5:17:36 | 5:25:33 | 5:34:27 | 6:11:42 | 4:56:02 |
| F55-59 | 19 | 5:31:39 | 5:31:39 | 5:32:37 | 5:43:43 | 6:23:32 | 5:31:39 |
| F65-69 | 5 | 5:35:45 | 5:35:45 | 5:35:45 | 5:35:45 | 6:15:11 | 5:35:45 |
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.