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 | 702 | 4:09:15 | 4:28:45 | 4:38:15 | 4:53:25 | 5:28:12 | 3:48:34 |
| M25-29 | 44 | 3:57:24 | 4:30:55 | 4:36:50 | 4:48:37 | 5:20:15 | 3:57:24 |
| M30-34 | 75 | 3:52:18 | 4:20:35 | 4:32:52 | 4:35:41 | 5:23:31 | 3:52:18 |
| M35-39 | 120 | 4:07:13 | 4:15:10 | 4:26:20 | 4:46:23 | 5:13:50 | 4:05:44 |
| M40-44 | 140 | 4:13:35 | 4:22:19 | 4:35:15 | 4:52:51 | 5:27:17 | 4:04:20 |
| M45-49 | 118 | 4:23:11 | 4:35:10 | 4:41:08 | 4:53:25 | 5:28:25 | 4:13:50 |
| M50-54 | 86 | 4:25:23 | 4:36:47 | 4:46:05 | 4:59:12 | 5:31:16 | 4:25:23 |
| M55-59 | 67 | 4:36:05 | 4:48:31 | 4:57:24 | 5:08:40 | 5:50:33 | 4:36:05 |
| M60-64 | 32 | 4:50:42 | 4:58:35 | 5:14:37 | 5:25:40 | 6:07:36 | 4:50:42 |
| M65-69 | 12 | 5:31:45 | 5:31:45 | 5:44:55 | 5:50:02 | 6:01:48 | 5:31:45 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 154 | 4:43:42 | 4:57:44 | 5:06:26 | 5:17:55 | 5:56:36 | 4:36:43 |
| F18-24 | 5 | 5:02:05 | 5:02:05 | 5:02:05 | 5:02:05 | 5:27:25 | 5:02:05 |
| F25-29 | 8 | 5:20:01 | 5:20:01 | 5:20:01 | 5:30:37 | 6:13:41 | 5:20:01 |
| F30-34 | 22 | 4:43:42 | 4:45:28 | 4:52:12 | 5:03:44 | 5:56:36 | 4:43:42 |
| F35-39 | 18 | 4:36:43 | 4:36:43 | 4:46:31 | 5:07:59 | 5:39:47 | 4:36:43 |
| F40-44 | 27 | 4:46:12 | 4:59:05 | 4:59:09 | 5:10:21 | 5:53:07 | 4:46:12 |
| F45-49 | 32 | 4:49:37 | 5:04:45 | 5:13:18 | 5:23:04 | 5:59:58 | 4:49:37 |
| F50-54 | 30 | 5:10:17 | 5:15:04 | 5:15:59 | 5:28:15 | 5:59:29 | 5:10:17 |
| F55-59 | 9 | 5:15:33 | 5:15:33 | 5:15:33 | 5:31:25 | 5:51:20 | 5:15:33 |
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.