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 | 1,189 | 4:16:17 | 4:44:45 | 4:57:10 | 5:14:16 | 5:50:56 | 4:03:58 |
| MPRO | 26 | 4:03:58 | 4:06:28 | 4:07:51 | 4:10:19 | 4:18:30 | 4:03:58 |
| M18-24 | 67 | 4:29:56 | 4:35:10 | 4:42:49 | 4:56:55 | 5:30:51 | 4:29:56 |
| M25-29 | 124 | 4:28:25 | 4:40:36 | 4:46:39 | 4:57:10 | 5:37:05 | 4:27:34 |
| M30-34 | 197 | 4:31:42 | 4:44:56 | 4:55:42 | 5:07:58 | 5:45:00 | 4:24:56 |
| M35-39 | 192 | 4:33:37 | 4:49:32 | 5:01:28 | 5:14:00 | 5:45:36 | 4:28:27 |
| M40-44 | 227 | 4:39:21 | 4:59:20 | 5:12:35 | 5:30:02 | 5:54:59 | 4:27:29 |
| M45-49 | 210 | 4:50:14 | 4:58:18 | 5:05:24 | 5:20:13 | 5:55:07 | 4:48:51 |
| M50-54 | 85 | 4:57:49 | 5:02:08 | 5:16:55 | 5:33:35 | 6:08:59 | 4:57:49 |
| M55-59 | 33 | 5:07:42 | 5:12:13 | 5:43:10 | 5:58:21 | 6:22:37 | 5:07:42 |
| M60-64 | 17 | 5:22:24 | 5:22:24 | 5:35:12 | 5:41:04 | 6:16:18 | 5:22:24 |
| M65-69 | 7 | 5:44:27 | 5:44:27 | 5:44:27 | 6:09:56 | 6:18:13 | 5:44:27 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 197 | 4:40:30 | 4:50:51 | 5:08:19 | 5:27:54 | 6:08:59 | 4:36:09 |
| FPRO | 16 | 4:36:09 | 4:36:09 | 4:40:30 | 4:42:26 | 4:49:34 | 4:36:09 |
| F18-24 | 11 | 5:12:59 | 5:12:59 | 5:16:35 | 5:47:25 | 6:06:08 | 5:12:59 |
| F25-29 | 25 | 4:54:43 | 4:55:03 | 5:13:34 | 5:23:09 | 6:01:03 | 4:54:43 |
| F30-34 | 43 | 5:02:57 | 5:10:37 | 5:16:20 | 5:30:01 | 5:55:37 | 5:02:57 |
| F35-39 | 29 | 5:13:17 | 5:16:47 | 5:27:54 | 5:45:09 | 6:22:15 | 5:13:17 |
| F40-44 | 32 | 5:05:11 | 5:18:13 | 5:30:37 | 5:38:24 | 6:08:33 | 5:05:11 |
| F45-49 | 22 | 5:22:01 | 5:32:06 | 5:46:32 | 6:01:45 | 6:43:40 | 5:22:01 |
| F50-54 | 14 | 5:49:44 | 5:49:44 | 5:51:56 | 6:01:29 | 6:26:33 | 5:49:44 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.