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 | 1,475 | 4:08:36 | 4:50:53 | 5:08:28 | 5:27:17 | 6:14:11 | 3:42:14 |
| MPRO | 21 | 3:42:14 | 3:43:25 | 3:45:48 | 3:50:28 | 4:02:24 | 3:42:14 |
| M18-24 | 23 | 4:25:16 | 4:33:22 | 4:45:59 | 5:08:18 | 5:56:57 | 4:25:16 |
| M25-29 | 76 | 4:15:16 | 4:51:51 | 5:01:13 | 5:22:27 | 6:03:39 | 4:15:16 |
| M30-34 | 131 | 4:39:21 | 4:46:21 | 5:00:23 | 5:25:00 | 6:02:38 | 4:32:43 |
| M35-39 | 197 | 4:22:08 | 4:44:09 | 5:03:34 | 5:21:58 | 6:09:17 | 4:12:01 |
| M40-44 | 296 | 4:31:05 | 4:55:23 | 5:08:28 | 5:23:43 | 5:59:26 | 4:20:43 |
| M45-49 | 305 | 4:46:57 | 4:59:09 | 5:15:16 | 5:31:48 | 6:18:41 | 4:34:51 |
| M50-54 | 223 | 4:45:32 | 5:00:55 | 5:15:17 | 5:33:02 | 6:24:12 | 4:42:13 |
| M55-59 | 119 | 5:12:34 | 5:20:42 | 5:34:55 | 5:43:46 | 6:17:51 | 5:07:49 |
| M60-64 | 57 | 5:10:06 | 5:19:28 | 5:26:37 | 5:40:04 | 6:38:42 | 5:10:06 |
| M65-69 | 19 | 5:53:51 | 5:53:51 | 6:15:41 | 6:25:37 | 7:07:43 | 5:53:51 |
| M70-74 | 6 | 6:50:37 | 6:50:37 | 6:50:37 | 6:58:12 | 7:28:48 | 6:50:37 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 909 | 4:29:36 | 5:15:17 | 5:32:40 | 5:52:13 | 6:45:50 | 4:11:23 |
| FPRO | 15 | 4:11:23 | 4:11:23 | 4:16:03 | 4:16:27 | 4:24:33 | 4:11:23 |
| F18-24 | 9 | 5:46:48 | 5:46:48 | 5:46:48 | 6:12:48 | 7:14:04 | 5:46:48 |
| F25-29 | 45 | 4:53:09 | 5:06:06 | 5:30:46 | 5:45:24 | 6:35:43 | 4:53:09 |
| F30-34 | 77 | 4:40:32 | 4:56:55 | 5:13:18 | 5:52:30 | 6:40:59 | 4:40:32 |
| F35-39 | 149 | 4:56:01 | 5:08:31 | 5:21:57 | 5:43:18 | 6:32:58 | 4:55:22 |
| F40-44 | 183 | 5:04:11 | 5:18:38 | 5:28:13 | 5:47:41 | 6:31:29 | 4:58:01 |
| F45-49 | 193 | 5:16:57 | 5:29:09 | 5:41:26 | 6:00:14 | 6:51:29 | 4:43:56 |
| F50-54 | 135 | 5:17:41 | 5:32:59 | 5:42:19 | 6:01:42 | 7:00:47 | 4:52:50 |
| F55-59 | 69 | 5:16:54 | 5:37:50 | 5:48:06 | 6:10:57 | 7:03:58 | 5:16:54 |
| F60-64 | 26 | 5:29:53 | 5:56:36 | 6:16:46 | 6:26:59 | 7:14:05 | 5:29:53 |
| F65-69 | 5 | 7:07:00 | 7:07:00 | 7:07:00 | 7:07:00 | 8:03:52 | 7:07:00 |
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.