Result History for KAREN ZENTGRAF, born in 1941
| Race Name | Race Date | Finish Time | Overall Place | Gender Place | Age Group Place |
| 2.4 Mile Wetsuit | 2005-08-14 | 01:36:01 | 39/47 | 25/32 | 1/1 |
| 2.4 Mile Non-Wetsuit | 2007-08-12 | 01:38:08 | 36/42 | 21/24 | 1/2 |
| 10K | 2008-08-10 | 04:35:30 | 44/46 | 17/17 | 1/1 |
| 2.4 Mile Non-Wetsuit | 2012-08-04 | 01:29:04 | 51/52 | 29/30 | 1/1 |