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 | 1,108 | 3:40:55 | 4:00:44 | 4:15:30 | 4:38:05 | 5:22:30 | 3:26:48 |
| M18-24 | 144 | 3:31:35 | 4:19:30 | 4:34:29 | 4:49:18 | 5:20:03 | 3:28:08 |
| M25-29 | 136 | 3:42:53 | 3:48:16 | 3:59:51 | 4:23:44 | 5:22:48 | 3:28:45 |
| M30-34 | 118 | 3:42:29 | 3:51:51 | 4:02:57 | 4:20:13 | 5:20:30 | 3:32:09 |
| M35-39 | 135 | 3:42:53 | 4:00:17 | 4:11:32 | 4:29:19 | 5:22:59 | 3:39:26 |
| M40-44 | 177 | 3:37:22 | 3:52:26 | 4:07:47 | 4:24:40 | 5:15:39 | 3:26:48 |
| M45-49 | 127 | 3:42:27 | 4:07:20 | 4:16:47 | 4:29:24 | 5:18:54 | 3:37:39 |
| M50-54 | 107 | 3:56:32 | 4:04:33 | 4:28:44 | 4:43:48 | 5:26:37 | 3:53:38 |
| M55-59 | 86 | 4:09:30 | 4:17:35 | 4:30:27 | 4:41:23 | 5:35:37 | 4:09:30 |
| M60-64 | 48 | 4:16:37 | 4:33:23 | 4:53:08 | 5:09:01 | 5:36:54 | 4:16:37 |
| M65-69 | 17 | 4:28:55 | 4:28:55 | 4:34:47 | 5:13:50 | 5:52:42 | 4:28:55 |
| M70-74 | 8 | 5:01:10 | 5:01:10 | 5:01:10 | 5:39:33 | 5:47:13 | 5:01:10 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 340 | 4:10:55 | 4:33:23 | 4:49:52 | 5:12:00 | 5:55:37 | 4:06:40 |
| F18-24 | 34 | 4:22:05 | 4:49:40 | 5:10:41 | 5:20:21 | 5:44:25 | 4:22:05 |
| F25-29 | 52 | 4:07:28 | 4:36:33 | 4:58:59 | 5:23:18 | 6:25:58 | 4:07:28 |
| F30-34 | 49 | 4:10:55 | 4:33:23 | 4:43:05 | 5:06:21 | 5:58:46 | 4:10:55 |
| F35-39 | 41 | 4:24:06 | 4:29:00 | 4:50:17 | 5:05:47 | 5:54:15 | 4:24:06 |
| F40-44 | 53 | 4:11:06 | 4:22:49 | 4:38:03 | 4:59:27 | 5:46:17 | 4:11:06 |
| F45-49 | 40 | 4:06:40 | 4:08:57 | 4:28:54 | 4:58:54 | 5:51:30 | 4:06:40 |
| F50-54 | 30 | 4:40:27 | 4:46:44 | 4:54:05 | 5:18:59 | 5:45:40 | 4:40:27 |
| F55-59 | 23 | 4:53:31 | 4:54:42 | 5:08:35 | 5:17:28 | 5:35:09 | 4:53:31 |
| F60-64 | 12 | 4:59:29 | 4:59:29 | 5:16:15 | 5:20:09 | 5:54:28 | 4:59:29 |
| F65-69 | 5 | 4:44:01 | 4:44:01 | 4:44:01 | 4:44:01 | 5:54:44 | 4:44:01 |
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.