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 | 1,686 | 4:05:31 | 4:28:37 | 4:40:53 | 4:56:22 | 5:29:34 | 3:48:30 |
| MPRO | 22 | 3:48:30 | 3:49:29 | 3:50:57 | 3:56:28 | 4:03:54 | 3:48:30 |
| M18-24 | 49 | 4:15:26 | 4:17:31 | 4:20:00 | 4:43:00 | 5:21:24 | 4:15:26 |
| M25-29 | 171 | 4:13:50 | 4:21:29 | 4:27:04 | 4:43:23 | 5:20:30 | 4:04:58 |
| M30-34 | 274 | 4:15:19 | 4:25:35 | 4:39:09 | 4:55:27 | 5:21:41 | 4:09:34 |
| M35-39 | 315 | 4:17:13 | 4:31:02 | 4:41:05 | 4:55:55 | 5:27:19 | 4:12:38 |
| M40-44 | 273 | 4:26:13 | 4:38:02 | 4:45:01 | 4:55:31 | 5:29:20 | 4:15:07 |
| M45-49 | 264 | 4:30:15 | 4:38:17 | 4:49:56 | 5:01:58 | 5:36:21 | 4:25:28 |
| M50-54 | 185 | 4:32:36 | 4:46:36 | 4:54:54 | 5:13:53 | 5:40:25 | 4:27:09 |
| M55-59 | 92 | 4:35:42 | 4:40:49 | 4:49:45 | 5:14:47 | 5:53:12 | 4:35:42 |
| M60-64 | 26 | 4:57:01 | 5:18:06 | 5:21:31 | 5:24:44 | 6:06:42 | 4:57:01 |
| M65-69 | 12 | 5:06:03 | 5:06:03 | 5:26:13 | 5:38:22 | 6:16:15 | 5:06:03 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 378 | 4:29:16 | 4:55:22 | 5:02:05 | 5:19:13 | 5:57:41 | 4:08:34 |
| FPRO | 10 | 4:08:34 | 4:08:34 | 4:08:34 | 4:15:39 | 4:31:13 | 4:08:34 |
| F18-24 | 15 | 5:09:56 | 5:09:56 | 5:11:27 | 5:29:28 | 6:02:21 | 5:09:56 |
| F25-29 | 59 | 4:56:16 | 4:59:27 | 5:02:05 | 5:13:43 | 5:44:38 | 4:56:16 |
| F30-34 | 79 | 4:44:58 | 4:55:22 | 4:58:33 | 5:15:25 | 5:52:13 | 4:44:58 |
| F35-39 | 58 | 4:43:31 | 5:02:20 | 5:08:30 | 5:22:30 | 5:53:28 | 4:43:31 |
| F40-44 | 60 | 4:43:08 | 4:57:14 | 5:06:50 | 5:22:12 | 5:59:55 | 4:43:08 |
| F45-49 | 41 | 4:48:44 | 5:15:35 | 5:20:02 | 5:30:39 | 6:17:30 | 4:48:44 |
| F50-54 | 32 | 4:47:09 | 4:59:13 | 5:19:04 | 5:46:07 | 6:11:20 | 4:47:09 |
| F55-59 | 16 | 5:24:34 | 5:24:34 | 5:41:19 | 5:48:59 | 6:14:57 | 5:24:34 |
| F60-64 | 7 | 5:58:37 | 5:58:37 | 5:58:37 | 6:13:06 | 6:35:28 | 5:58:37 |
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.