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 | 1,014 | 4:33:03 | 4:56:22 | 5:12:01 | 5:31:57 | 6:14:48 | 3:59:35 |
| M18-24 | 16 | 4:38:39 | 4:38:39 | 5:02:35 | 5:42:29 | 5:48:22 | 4:38:39 |
| M25-29 | 61 | 4:37:20 | 4:52:27 | 5:08:59 | 5:21:25 | 6:04:17 | 4:37:20 |
| M30-34 | 108 | 4:29:51 | 4:54:33 | 5:02:44 | 5:14:57 | 6:04:37 | 4:22:16 |
| M35-39 | 143 | 4:28:12 | 4:48:14 | 5:04:26 | 5:23:47 | 6:07:28 | 4:24:36 |
| M40-44 | 221 | 4:48:46 | 5:03:26 | 5:14:47 | 5:33:03 | 6:06:26 | 4:33:03 |
| M45-49 | 176 | 4:35:27 | 4:57:31 | 5:17:51 | 5:36:34 | 6:16:58 | 4:31:42 |
| M50-54 | 136 | 4:40:11 | 4:58:17 | 5:16:08 | 5:29:59 | 6:15:29 | 4:36:31 |
| M55-59 | 78 | 4:48:53 | 5:11:27 | 5:31:21 | 5:57:00 | 6:38:26 | 4:48:53 |
| M60-64 | 38 | 5:27:25 | 5:45:20 | 5:57:46 | 6:07:02 | 6:50:11 | 5:27:25 |
| M65-69 | 20 | 5:49:46 | 5:49:46 | 6:12:05 | 6:25:45 | 7:23:06 | 5:49:46 |
| M70-74 | 10 | 6:13:19 | 6:13:19 | 6:13:19 | 6:21:37 | 7:32:54 | 6:13:19 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 468 | 4:41:04 | 5:15:17 | 5:35:07 | 5:54:04 | 6:50:19 | 4:30:53 |
| FPRO | 11 | 4:30:53 | 4:30:53 | 4:33:20 | 4:34:33 | 4:41:22 | 4:30:53 |
| F18-24 | 7 | 5:49:44 | 5:49:44 | 5:49:44 | 6:01:58 | 7:03:12 | 5:49:44 |
| F25-29 | 40 | 5:15:17 | 5:18:41 | 5:36:50 | 5:50:59 | 6:53:12 | 5:15:17 |
| F30-34 | 67 | 4:50:43 | 5:25:31 | 5:46:04 | 6:11:40 | 6:53:46 | 4:50:43 |
| F35-39 | 60 | 5:00:01 | 5:14:45 | 5:30:45 | 5:46:45 | 6:48:27 | 5:00:01 |
| F40-44 | 101 | 5:06:47 | 5:19:02 | 5:38:49 | 5:54:04 | 6:41:57 | 5:05:53 |
| F45-49 | 65 | 5:02:48 | 5:26:45 | 5:40:47 | 5:47:55 | 6:50:20 | 5:02:48 |
| F50-54 | 70 | 4:52:01 | 5:31:31 | 5:37:22 | 6:13:14 | 6:52:51 | 4:52:01 |
| F55-59 | 27 | 5:05:31 | 5:17:29 | 5:51:23 | 6:23:09 | 7:08:41 | 5:05:31 |
| F60-64 | 14 | 5:48:21 | 5:48:21 | 6:32:40 | 6:45:01 | 7:06:23 | 5:48:21 |
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.