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 | 1,593 | 4:24:23 | 4:46:00 | 4:57:14 | 5:14:14 | 5:55:36 | 3:43:03 |
| MPRO | 12 | 3:43:03 | 3:43:03 | 3:50:27 | 3:50:56 | 4:07:02 | 3:43:03 |
| M18-24 | 21 | 4:46:24 | 4:56:35 | 4:59:47 | 5:21:25 | 6:17:50 | 4:46:24 |
| M25-29 | 99 | 4:21:16 | 4:31:53 | 4:48:18 | 5:07:10 | 5:52:56 | 4:21:16 |
| M30-34 | 193 | 4:24:23 | 4:46:58 | 4:58:36 | 5:13:37 | 5:58:45 | 4:16:35 |
| M35-39 | 287 | 4:29:10 | 4:39:35 | 4:47:52 | 5:07:59 | 5:45:52 | 4:28:39 |
| M40-44 | 365 | 4:30:55 | 4:47:21 | 4:56:37 | 5:12:12 | 5:49:42 | 4:11:32 |
| M45-49 | 273 | 4:41:19 | 4:52:26 | 5:03:26 | 5:19:25 | 5:51:43 | 4:30:26 |
| M50-54 | 182 | 4:33:15 | 5:01:49 | 5:07:37 | 5:22:27 | 6:04:21 | 4:30:58 |
| M55-59 | 103 | 4:55:03 | 5:02:02 | 5:13:24 | 5:29:09 | 6:10:28 | 4:45:50 |
| M60-64 | 38 | 4:53:25 | 4:54:16 | 5:39:06 | 5:55:23 | 6:38:50 | 4:53:25 |
| M65-69 | 13 | 5:37:44 | 5:37:44 | 6:01:37 | 6:21:27 | 6:38:15 | 5:37:44 |
| M70-74 | 7 | 6:18:19 | 6:18:19 | 6:18:19 | 6:31:34 | 7:07:15 | 6:18:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 894 | 4:43:33 | 5:09:52 | 5:24:08 | 5:41:24 | 6:25:53 | 4:11:33 |
| FPRO | 9 | 4:11:33 | 4:11:33 | 4:11:33 | 4:18:44 | 4:26:25 | 4:11:33 |
| F18-24 | 31 | 5:02:32 | 5:28:01 | 5:39:33 | 5:45:09 | 6:34:28 | 5:02:32 |
| F25-29 | 75 | 5:01:22 | 5:09:44 | 5:20:07 | 5:37:13 | 6:18:31 | 5:01:22 |
| F30-34 | 128 | 4:50:45 | 5:10:57 | 5:14:46 | 5:30:10 | 6:17:20 | 4:49:10 |
| F35-39 | 167 | 5:00:43 | 5:09:52 | 5:21:10 | 5:36:53 | 6:22:48 | 4:49:23 |
| F40-44 | 188 | 4:54:58 | 5:13:48 | 5:28:25 | 5:44:32 | 6:21:43 | 4:38:01 |
| F45-49 | 136 | 4:49:52 | 5:11:23 | 5:29:41 | 5:41:49 | 6:25:21 | 4:47:38 |
| F50-54 | 104 | 5:08:47 | 5:30:10 | 5:34:37 | 5:57:06 | 6:44:49 | 5:04:57 |
| F55-59 | 39 | 5:18:17 | 5:43:26 | 5:45:55 | 6:05:38 | 6:47:19 | 5:18:17 |
| F60-64 | 14 | 5:20:58 | 5:20:58 | 5:46:29 | 6:06:41 | 6:46:17 | 5:20:58 |
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.