[1] Floor made her debut at the Dutch championships in 1943 and finished fourth.

[3] Because of her achievements, she was selected by the KNZB to participate at the 1947 European Championships in Monaco.

[6] Floor won the silver medal at the national championships in 1948 behind Kiki Heck.

She competed in the women's 3 metre springboard event at the 1948 Summer Olympics.

[9] She won the silver medal at the national championships in 1950 behind Leni Lanting-Keller.