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 | 1,397 | 4:13:33 | 4:41:22 | 4:55:44 | 5:12:10 | 5:49:39 | 3:58:22 |
| MPRO | 35 | 3:58:22 | 3:58:25 | 4:05:31 | 4:06:42 | 4:16:17 | 3:58:22 |
| M18-24 | 68 | 4:40:10 | 4:43:30 | 4:50:20 | 5:01:43 | 5:42:59 | 4:40:10 |
| M25-29 | 150 | 4:28:30 | 4:38:02 | 4:45:28 | 5:07:11 | 5:40:47 | 4:23:18 |
| M30-34 | 224 | 4:24:05 | 4:40:54 | 4:55:00 | 5:09:40 | 5:49:20 | 4:20:58 |
| M35-39 | 374 | 4:37:14 | 4:48:58 | 5:00:34 | 5:14:13 | 5:55:42 | 4:25:05 |
| M40-44 | 253 | 4:39:08 | 4:48:56 | 5:04:07 | 5:17:34 | 5:45:55 | 4:31:41 |
| M45-49 | 149 | 4:49:47 | 4:59:00 | 5:10:38 | 5:18:38 | 5:50:45 | 4:37:39 |
| M50-54 | 87 | 4:55:12 | 5:02:55 | 5:13:08 | 5:26:15 | 6:07:26 | 4:55:12 |
| M55-59 | 30 | 4:57:19 | 5:01:06 | 5:06:50 | 5:17:04 | 6:09:15 | 4:57:19 |
| M60-64 | 15 | 5:22:52 | 5:22:52 | 5:34:45 | 5:40:14 | 6:12:07 | 5:22:52 |
| M65-69 | 9 | 5:44:01 | 5:44:01 | 5:44:01 | 5:53:28 | 6:34:06 | 5:44:01 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 485 | 4:29:23 | 4:52:58 | 5:11:17 | 5:32:56 | 6:15:31 | 4:23:14 |
| FPRO | 30 | 4:23:14 | 4:25:51 | 4:26:40 | 4:30:15 | 4:50:30 | 4:23:14 |
| F18-24 | 13 | 4:53:25 | 4:53:25 | 5:04:59 | 5:13:20 | 5:33:12 | 4:53:25 |
| F25-29 | 80 | 5:00:02 | 5:14:33 | 5:20:42 | 5:32:13 | 6:22:46 | 5:00:02 |
| F30-34 | 117 | 4:43:04 | 5:00:29 | 5:15:41 | 5:37:58 | 6:09:57 | 4:36:11 |
| F35-39 | 72 | 4:48:14 | 5:18:27 | 5:29:50 | 5:43:16 | 6:11:20 | 4:48:14 |
| F40-44 | 82 | 5:03:20 | 5:15:33 | 5:19:44 | 5:36:38 | 6:12:31 | 5:03:20 |
| F45-49 | 49 | 5:01:39 | 5:34:05 | 5:37:04 | 5:54:58 | 6:48:14 | 5:01:39 |
| F50-54 | 27 | 5:17:39 | 5:46:44 | 5:53:55 | 6:06:06 | 7:01:41 | 5:17:39 |
| F55-59 | 9 | 6:20:50 | 6:20:50 | 6:20:50 | 6:29:52 | 7:07:52 | 6:20:50 |
| F60-64 | 6 | 6:10:11 | 6:10:11 | 6:10:11 | 6:14:37 | 6:38:38 | 6:10:11 |
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.