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 | 1,268 | 4:15:37 | 4:48:00 | 5:04:29 | 5:25:55 | 6:07:48 | 3:49:34 |
| MPRO | 17 | 3:49:34 | 3:49:34 | 3:57:15 | 4:05:01 | 4:10:02 | 3:49:34 |
| M18-24 | 44 | 4:14:46 | 4:20:33 | 4:31:51 | 5:01:02 | 6:02:07 | 4:14:46 |
| M25-29 | 137 | 4:22:34 | 4:38:44 | 4:56:24 | 5:11:06 | 5:54:12 | 4:10:53 |
| M30-34 | 199 | 4:26:02 | 4:43:50 | 4:52:38 | 5:13:26 | 5:56:09 | 4:23:30 |
| M35-39 | 191 | 4:30:56 | 4:45:36 | 4:57:53 | 5:19:37 | 5:58:37 | 4:22:15 |
| M40-44 | 223 | 4:39:38 | 5:01:29 | 5:15:00 | 5:28:04 | 6:07:48 | 4:22:40 |
| M45-49 | 180 | 4:46:44 | 5:08:36 | 5:18:30 | 5:33:04 | 6:08:15 | 4:41:24 |
| M50-54 | 154 | 4:53:33 | 5:12:50 | 5:22:26 | 5:38:58 | 6:22:22 | 4:47:44 |
| M55-59 | 77 | 4:49:51 | 5:14:58 | 5:32:04 | 6:14:41 | 6:43:45 | 4:49:51 |
| M60-64 | 34 | 5:16:19 | 5:38:14 | 5:46:12 | 5:55:31 | 6:37:41 | 5:16:19 |
| M65-69 | 8 | 5:14:05 | 5:14:05 | 5:14:05 | 5:19:30 | 7:44:44 | 5:14:05 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 288 | 4:30:35 | 5:02:29 | 5:28:23 | 5:58:49 | 6:42:13 | 4:25:09 |
| FPRO | 9 | 4:25:09 | 4:25:09 | 4:25:09 | 4:27:51 | 4:41:58 | 4:25:09 |
| F18-24 | 12 | 4:51:58 | 4:51:58 | 5:06:51 | 5:23:26 | 6:16:28 | 4:51:58 |
| F25-29 | 38 | 4:33:28 | 4:38:10 | 4:57:00 | 5:24:58 | 6:11:32 | 4:33:28 |
| F30-34 | 35 | 4:56:54 | 5:02:29 | 5:13:59 | 5:38:37 | 6:04:38 | 4:56:54 |
| F35-39 | 28 | 5:21:26 | 5:39:14 | 5:40:02 | 6:12:17 | 6:47:55 | 5:21:26 |
| F40-44 | 59 | 5:12:58 | 5:30:23 | 5:54:54 | 6:07:09 | 7:05:16 | 5:12:58 |
| F45-49 | 40 | 5:13:34 | 5:21:28 | 5:55:50 | 6:09:21 | 6:40:42 | 5:13:34 |
| F50-54 | 30 | 5:36:24 | 5:54:54 | 6:07:38 | 6:25:34 | 7:01:39 | 5:36:24 |
| F55-59 | 21 | 5:50:53 | 6:08:08 | 6:11:17 | 6:16:59 | 7:06:25 | 5:50:53 |
| F60-64 | 14 | 6:11:11 | 6:11:11 | 6:11:11 | 6:33:28 | 7:26:25 | 6:11:11 |
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.