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 | 1,111 | 4:14:48 | 4:37:57 | 4:53:02 | 5:11:08 | 5:50:11 | 3:51:44 |
| M18-24 | 80 | 4:04:42 | 4:13:35 | 4:31:24 | 4:57:06 | 5:41:38 | 4:04:42 |
| M25-29 | 147 | 3:57:30 | 4:37:47 | 4:40:09 | 5:05:33 | 5:46:30 | 3:51:44 |
| M30-34 | 143 | 4:06:48 | 4:32:29 | 4:45:08 | 5:04:05 | 5:44:16 | 3:56:52 |
| M35-39 | 170 | 4:20:56 | 4:45:16 | 4:53:30 | 5:08:37 | 5:46:03 | 4:19:09 |
| M40-44 | 148 | 4:27:02 | 4:45:35 | 4:59:59 | 5:11:45 | 5:49:10 | 4:11:35 |
| M45-49 | 119 | 4:14:48 | 4:41:54 | 5:01:36 | 5:22:39 | 5:52:00 | 4:06:01 |
| M50-54 | 107 | 4:25:46 | 4:37:42 | 4:42:30 | 5:06:12 | 5:48:10 | 4:17:00 |
| M55-59 | 91 | 4:34:32 | 4:43:57 | 4:52:32 | 5:13:17 | 5:59:14 | 4:34:32 |
| M60-64 | 58 | 4:44:19 | 4:57:50 | 5:14:56 | 5:33:21 | 6:11:36 | 4:44:19 |
| M65-69 | 29 | 5:04:35 | 5:18:49 | 5:18:58 | 5:48:35 | 6:34:49 | 5:04:35 |
| M70-74 | 12 | 5:56:16 | 5:56:16 | 5:58:46 | 6:10:59 | 6:33:10 | 5:56:16 |
| M75-79 | 5 | 6:04:20 | 6:04:20 | 6:04:20 | 6:04:20 | 6:39:17 | 6:04:20 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 523 | 4:46:32 | 5:05:23 | 5:16:30 | 5:33:21 | 6:17:31 | 4:31:24 |
| F18-24 | 18 | 5:10:48 | 5:10:48 | 5:18:39 | 5:51:45 | 6:19:29 | 5:10:48 |
| F25-29 | 66 | 4:31:24 | 4:54:38 | 4:58:51 | 5:21:51 | 6:06:32 | 4:31:24 |
| F30-34 | 84 | 4:52:26 | 5:15:24 | 5:20:33 | 5:34:32 | 6:06:38 | 4:52:26 |
| F35-39 | 69 | 4:57:49 | 5:03:11 | 5:22:31 | 5:35:01 | 6:12:09 | 4:57:49 |
| F40-44 | 74 | 4:42:09 | 5:02:54 | 5:11:49 | 5:28:27 | 6:12:09 | 4:42:09 |
| F45-49 | 71 | 4:46:32 | 4:54:56 | 5:16:52 | 5:30:35 | 6:01:06 | 4:46:32 |
| F50-54 | 55 | 4:53:08 | 5:12:20 | 5:26:08 | 5:42:49 | 6:22:17 | 4:53:08 |
| F55-59 | 42 | 4:42:13 | 5:11:21 | 5:26:16 | 5:33:02 | 6:24:08 | 4:42:13 |
| F60-64 | 24 | 5:11:39 | 5:13:02 | 5:20:38 | 5:27:38 | 6:44:50 | 5:11:39 |
| F65-69 | 13 | 5:50:30 | 5:50:30 | 6:10:29 | 6:22:17 | 7:06:05 | 5:50:30 |
| F70-74 | 6 | 6:24:07 | 6:24:07 | 6:24:07 | 6:30:06 | 6:51:33 | 6:24:07 |
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.