 Complete the following phrase:  Born in Hořice, Jehličková established herself at national level in the mid-1960s in the 800 m, which was then the longest distance regularly by women. She won the Czechoslovak Athletics Championships in 1966, then again in 1968. This earned her her debut at the 1968 Mexico City Olympics, where she was a semi-finalist. The longer 1500 m was introduced as a championship event for the 