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 | 2,489 | 4:08:31 | 4:33:49 | 4:45:25 | 4:58:33 | 5:29:28 | 3:35:30 |
| MPRO | 25 | 3:35:30 | 3:36:13 | 3:37:14 | 3:41:25 | 3:55:19 | 3:35:30 |
| M18-24 | 77 | 4:10:17 | 4:31:01 | 4:40:12 | 4:52:48 | 5:26:49 | 4:10:17 |
| M25-29 | 271 | 4:10:38 | 4:30:34 | 4:41:30 | 4:55:09 | 5:19:09 | 3:51:54 |
| M30-34 | 456 | 4:12:24 | 4:31:29 | 4:40:22 | 4:54:53 | 5:24:04 | 4:07:51 |
| M35-39 | 491 | 4:23:40 | 4:37:55 | 4:48:10 | 4:58:36 | 5:32:16 | 4:13:05 |
| M40-44 | 486 | 4:17:12 | 4:33:28 | 4:44:46 | 4:57:09 | 5:28:13 | 4:08:06 |
| M45-49 | 314 | 4:26:56 | 4:42:03 | 4:51:00 | 5:04:22 | 5:36:08 | 4:11:54 |
| M50-54 | 214 | 4:29:11 | 4:42:11 | 4:50:16 | 5:08:12 | 5:37:12 | 4:23:42 |
| M55-59 | 93 | 4:47:36 | 4:54:43 | 5:01:42 | 5:10:21 | 5:41:48 | 4:47:36 |
| M60-64 | 50 | 4:58:45 | 5:06:26 | 5:20:07 | 5:32:33 | 5:55:15 | 4:58:45 |
| M65-69 | 12 | 5:07:02 | 5:07:02 | 5:22:15 | 5:22:28 | 5:39:44 | 5:07:02 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 482 | 4:14:14 | 5:00:20 | 5:14:28 | 5:29:15 | 6:03:08 | 4:08:10 |
| FPRO | 14 | 4:08:10 | 4:08:10 | 4:09:10 | 4:11:04 | 4:23:28 | 4:08:10 |
| F18-24 | 14 | 4:50:39 | 4:50:39 | 5:22:12 | 5:22:46 | 5:44:25 | 4:50:39 |
| F25-29 | 45 | 4:42:15 | 4:57:57 | 5:01:49 | 5:16:22 | 5:43:32 | 4:42:15 |
| F30-34 | 119 | 5:01:41 | 5:09:03 | 5:18:17 | 5:31:00 | 5:56:18 | 4:51:07 |
| F35-39 | 100 | 4:53:58 | 5:07:59 | 5:15:10 | 5:27:15 | 6:11:37 | 4:53:58 |
| F40-44 | 81 | 4:50:53 | 5:14:05 | 5:22:11 | 5:44:33 | 6:20:06 | 4:50:53 |
| F45-49 | 56 | 5:05:33 | 5:27:41 | 5:32:44 | 5:44:34 | 6:18:53 | 5:05:33 |
| F50-54 | 32 | 4:57:43 | 5:13:21 | 5:19:30 | 5:33:35 | 6:05:53 | 4:57:43 |
| F55-59 | 18 | 5:23:34 | 5:23:34 | 5:34:16 | 5:37:39 | 5:51:53 | 5:23:34 |
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.