By Jan Westmark-Allan Win a cross-country course walk with Karen O’Connor on May 10 at 4:30   Win A Cross-Country Course Walk with Olympian Karen O’Connor at the Jersey Fresh International Three-Day Event!   Sidelines Magazine and the Jersey Fresh International Three-Day Event are teaming up to give one lucky winner the cross-country course walk of a lifetime. The winner will get a one-on-one course walk experience with United States Three-Day Eventing Olympian Karen O’Connor on May 10 th at 4:30