Ida J. Langmack, 86, a former physical education instructor in D.C. public schools for 25 years, died Friday in New York City. She had a heart ailment.

Mrs. Langmack taught at Paul Junior High School, Wilson High School and Deal Junior High School before her retirement in 1955.

Her husband Holger Christian Langmack, had taught physical education at Paul Junior High School for 25 years. He died in 1962.

After his death, Mrs. Langmack lived at Manor Country Club and Rossmoore Leisure World in Silver Spring until moving to New York City about five years ago.

She was born Ida Hansen in Kolding, Denmark. In 1912, she was a member of the Danish gymnastics team at the Olympic games in Stockholm. She won honors in the balance beam and high jump.

The Langmacks, who had met at the Olympic games, married and came to this country in 1913. They lived in Minneapolis until coming to Washington in 1930.

Mrs Langmack was an active member of the Danish Club of Washington. She had attended the First Presbyterian Church of the Covenant and later the Sixth Presbyterian Church.

She is survived by two daughters, Betty-Nina Rote of New York City, and Clara Griffin of Ventura, Calif.; three sons, Sven, of Gates Mill, Ohio, Robert, of Los Angeles, and Holger Christian, of Snow Hill, Md.; 25 grandchildren and nine great-grandchildren.