Career
She dominated the shot put from the mid 1960s through 1980. She competed in the Olympics three times, making the final twice. Her 1980 selection was quashed by the 1980 Summer Olympics boycott.
Seidler spent most of her career competing for the Mayor Daley Youth Foundation team
She started throwing for Tufts University, winning the 1971 DGWS collegiate shot put title. Her back-to-back title in 1972 came while competing for California State University, Hayward, where she still holds the school record.
She competed at the 1973 World University Games. Toward the end of her career, she joined a group of elite male throwers who congregated near San Jose, California called the San Jose Stars.
She also competed in three editions of the Pan American Games, taking a silver medal in 1979.
She was elected into the National Track and Field Hall of Fame in 2000.