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 | 1,395 | 4:31:22 | 4:55:03 | 5:10:16 | 5:31:10 | 6:20:34 | 4:08:04 |
| M18-24 | 13 | 4:34:57 | 4:34:57 | 4:40:45 | 5:08:25 | 6:14:39 | 4:34:57 |
| M25-29 | 75 | 4:08:04 | 4:31:22 | 4:59:02 | 5:13:10 | 6:11:22 | 4:08:04 |
| M30-34 | 149 | 4:27:25 | 4:37:20 | 4:53:18 | 5:14:24 | 6:20:22 | 4:22:27 |
| M35-39 | 246 | 4:27:57 | 4:50:52 | 4:59:24 | 5:18:02 | 6:05:13 | 4:23:45 |
| M40-44 | 285 | 4:35:17 | 4:53:44 | 5:09:36 | 5:21:19 | 6:07:25 | 4:28:58 |
| M45-49 | 260 | 4:39:50 | 5:00:44 | 5:21:04 | 5:34:36 | 6:21:43 | 4:20:17 |
| M50-54 | 186 | 4:36:34 | 5:22:24 | 5:33:07 | 5:49:56 | 6:34:36 | 4:27:36 |
| M55-59 | 114 | 4:55:11 | 5:22:39 | 5:36:54 | 5:58:31 | 6:39:14 | 4:47:29 |
| M60-64 | 48 | 5:05:23 | 5:28:11 | 5:30:50 | 6:06:42 | 7:07:35 | 5:05:23 |
| M65-69 | 14 | 6:37:56 | 6:37:56 | 6:40:15 | 6:46:37 | 7:27:56 | 6:37:56 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 902 | 4:36:35 | 5:15:54 | 5:34:44 | 5:59:03 | 6:49:33 | 4:10:45 |
| FPRO | 19 | 4:10:45 | 4:10:45 | 4:20:06 | 4:23:08 | 4:36:35 | 4:10:45 |
| F18-24 | 12 | 5:36:27 | 5:36:27 | 5:40:49 | 6:03:40 | 6:23:57 | 5:36:27 |
| F25-29 | 55 | 4:40:51 | 5:10:19 | 5:26:44 | 5:57:20 | 6:36:10 | 4:40:51 |
| F30-34 | 98 | 5:02:49 | 5:16:44 | 5:24:01 | 5:40:12 | 6:39:16 | 5:02:49 |
| F35-39 | 144 | 4:50:22 | 5:14:23 | 5:34:36 | 5:55:12 | 6:34:15 | 4:46:33 |
| F40-44 | 202 | 5:05:34 | 5:18:38 | 5:31:55 | 5:58:04 | 6:47:21 | 5:03:13 |
| F45-49 | 188 | 4:50:44 | 5:34:45 | 5:45:30 | 6:15:58 | 6:52:48 | 4:48:00 |
| F50-54 | 120 | 5:24:43 | 5:42:15 | 5:47:47 | 6:20:23 | 7:07:18 | 5:18:47 |
| F55-59 | 48 | 5:34:44 | 5:47:40 | 5:58:20 | 6:26:07 | 7:09:38 | 5:34:44 |
| F60-64 | 12 | 6:58:54 | 6:58:54 | 7:09:52 | 7:09:56 | 7:43:22 | 6:58:54 |
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.