Result History for Karen Zentgraf
| Race Name | Race Date | Finish Time | Overall Place | Gender Place | Age | Age Group | Age Group Place |
| 2.4 Mile Non-Wetsuit | 2014-08-10 | 01:46:48 | 49/51 | 31/31 | 72 | 70 - 79 | 1/1 |
| 2.4 Mile Non-Wetsuit | 2013-08-18 | 02:05:17 | 114/115 | 60/61 | 71 | 70 - 79 | 1/1 |
| 2.4 Mile Non-Wetsuit | 2012-08-04 | 01:29:04 | 51/52 | 29/30 | 70 | 70 - 79 | 1/1 |
| 10K | 2008-08-10 | 04:35:30 | 44/46 | 17/17 | 66 | 60 - 69 | 1/1 |
| 2.4 Mile Non-Wetsuit | 2007-08-12 | 01:38:08 | 36/42 | 21/24 | 65 | 60 - 69 | 1/2 |
| 2.4 Mile Wetsuit | 2005-08-14 | 01:36:01 | 39/47 | 25/32 | 63 | 60 - 69 | 1/1 |