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 | 1,649 | 8:22:18 | 9:08:13 | 9:24:15 | 9:44:48 | 10:36:01 | 7:51:13 |
| MPRO | 41 | 7:51:13 | 8:02:04 | 8:06:41 | 8:12:27 | 8:25:03 | 7:51:13 |
| M18-24 | 41 | 9:08:13 | 9:13:35 | 9:25:28 | 9:40:33 | 10:09:37 | 9:08:13 |
| M25-29 | 97 | 8:47:38 | 9:01:29 | 9:12:28 | 9:24:11 | 9:45:33 | 8:47:38 |
| M30-34 | 165 | 8:49:49 | 9:03:02 | 9:11:27 | 9:22:09 | 9:43:45 | 8:47:08 |
| M35-39 | 200 | 8:44:12 | 9:00:52 | 9:13:58 | 9:25:37 | 9:53:22 | 8:35:12 |
| M40-44 | 274 | 9:00:24 | 9:19:42 | 9:31:46 | 9:48:48 | 10:19:33 | 8:56:49 |
| M45-49 | 295 | 9:06:49 | 9:37:37 | 9:48:26 | 10:02:40 | 10:39:49 | 8:48:24 |
| M50-54 | 237 | 9:26:57 | 9:50:01 | 10:04:47 | 10:28:01 | 11:12:41 | 9:17:29 |
| M55-59 | 147 | 9:48:13 | 10:18:53 | 10:33:14 | 10:52:27 | 11:51:24 | 9:32:39 |
| M60-64 | 66 | 10:07:08 | 10:38:50 | 10:55:09 | 11:17:35 | 12:11:54 | 10:07:08 |
| M65-69 | 50 | 11:35:05 | 11:40:54 | 11:42:07 | 12:46:07 | 13:59:31 | 11:35:05 |
| M70-74 | 28 | 12:44:00 | 13:12:31 | 13:16:05 | 15:09:39 | 15:49:23 | 12:44:00 |
| M75-79 | 7 | 13:32:15 | 13:32:15 | 13:32:15 | 13:46:01 | 14:46:20 | 13:32:15 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 609 | 8:58:38 | 9:46:02 | 10:15:46 | 10:46:48 | 11:49:57 | 8:40:10 |
| FPRO | 35 | 8:40:10 | 8:46:44 | 8:51:42 | 8:58:38 | 9:26:03 | 8:40:10 |
| F18-24 | 31 | 10:44:49 | 10:57:55 | 10:58:41 | 11:28:52 | 12:06:39 | 10:44:49 |
| F25-29 | 50 | 9:39:20 | 9:59:07 | 10:16:22 | 10:32:48 | 11:07:57 | 9:39:20 |
| F30-34 | 57 | 9:20:06 | 9:48:56 | 9:55:10 | 10:15:43 | 10:56:08 | 9:20:06 |
| F35-39 | 79 | 9:55:45 | 10:09:07 | 10:13:45 | 10:40:12 | 11:23:51 | 9:55:45 |
| F40-44 | 80 | 10:01:14 | 10:26:40 | 10:32:16 | 10:48:56 | 11:25:09 | 10:01:14 |
| F45-49 | 85 | 9:45:44 | 10:17:26 | 10:33:31 | 11:10:11 | 11:54:22 | 9:45:44 |
| F50-54 | 66 | 9:46:02 | 10:42:54 | 10:54:32 | 11:55:02 | 12:22:42 | 9:46:02 |
| F55-59 | 58 | 10:45:11 | 11:20:02 | 11:39:15 | 12:13:24 | 13:08:15 | 10:45:11 |
| F60-64 | 37 | 11:47:17 | 11:57:42 | 12:05:12 | 12:52:30 | 14:10:07 | 11:47:17 |
| F65-69 | 26 | 12:47:52 | 13:10:55 | 13:26:26 | 14:12:38 | 15:10:15 | 12:47:52 |
| F70-74 | 5 | 14:07:11 | 14:07:11 | 14:07:11 | 14:07:11 | 15:14:58 | 14:07:11 |
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.