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 | 1,144 | 3:50:23 | 4:16:49 | 4:31:47 | 4:47:25 | 5:19:44 | 3:35:22 |
| MPRO | 20 | 3:35:22 | 3:35:22 | 3:37:07 | 3:39:45 | 3:49:52 | 3:35:22 |
| M18-24 | 154 | 4:02:00 | 4:13:07 | 4:36:11 | 4:57:10 | 5:22:12 | 3:58:20 |
| M25-29 | 239 | 4:01:22 | 4:18:04 | 4:31:35 | 4:46:17 | 5:22:25 | 3:50:23 |
| M30-34 | 201 | 4:08:49 | 4:18:01 | 4:31:36 | 4:47:43 | 5:15:22 | 3:56:18 |
| M35-39 | 157 | 4:01:15 | 4:18:46 | 4:31:45 | 4:42:31 | 5:14:34 | 3:57:39 |
| M40-44 | 121 | 4:09:46 | 4:30:33 | 4:37:28 | 4:52:18 | 5:19:56 | 3:56:27 |
| M45-49 | 86 | 4:05:45 | 4:25:27 | 4:35:10 | 4:49:04 | 5:22:07 | 4:05:45 |
| M50-54 | 84 | 4:09:53 | 4:30:46 | 4:37:56 | 4:50:56 | 5:28:58 | 4:09:53 |
| M55-59 | 38 | 4:21:51 | 4:31:10 | 4:42:26 | 4:59:36 | 5:17:18 | 4:21:51 |
| M60-64 | 32 | 4:48:06 | 4:51:20 | 4:53:48 | 5:19:24 | 6:15:55 | 4:48:06 |
| M65-69 | 8 | 5:03:21 | 5:03:21 | 5:03:21 | 5:11:56 | 5:40:48 | 5:03:21 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 282 | 4:06:32 | 4:34:12 | 4:55:59 | 5:17:43 | 5:51:16 | 4:03:30 |
| FPRO | 12 | 4:03:30 | 4:03:30 | 4:04:01 | 4:06:32 | 4:11:12 | 4:03:30 |
| F18-24 | 33 | 4:53:08 | 4:54:12 | 4:56:53 | 5:09:50 | 5:32:40 | 4:53:08 |
| F25-29 | 75 | 4:28:27 | 4:42:39 | 4:57:55 | 5:07:48 | 5:45:03 | 4:28:27 |
| F30-34 | 46 | 4:22:28 | 4:42:16 | 4:58:37 | 5:18:42 | 5:51:16 | 4:22:28 |
| F35-39 | 30 | 4:39:47 | 5:00:52 | 5:19:54 | 5:40:19 | 6:03:46 | 4:39:47 |
| F40-44 | 26 | 4:59:28 | 5:20:04 | 5:21:58 | 5:28:10 | 5:52:42 | 4:59:28 |
| F45-49 | 26 | 4:39:30 | 4:45:59 | 4:54:42 | 5:24:40 | 5:59:25 | 4:39:30 |
| F50-54 | 17 | 5:18:32 | 5:18:32 | 5:37:03 | 5:54:27 | 6:06:38 | 5:18:32 |
| F55-59 | 13 | 5:16:40 | 5:16:40 | 5:17:43 | 5:28:28 | 6:10:25 | 5:16:40 |
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.