Judy lettered two years at Oregon State from 1982-83. She was a second team Kodak All-American and first team All-NorPac selection in 1983. She was a Wade Trophy finalist and named to the Western Region All-Tournament team. The Beavers compiled a two-year record of 44-14 during Spoelstra's tenure. She led the team to the NIT title in 1982 and a trip to the NCAA's in '83 where the team advanced to the "Sweet Sixteen". She averaged 15.4 points as a junior and 12.3 as a senior. Her 14 assists in one game and her 173 total assists for 1983 set school records.
After she left OSU she served as a player/coach in the Japan Women's League from 1983-86. She earned all-league honors three times and was MVP in 1984. Spoelstra also served as an assistant coach at the University of Idaho for three seasons and as head coach at Montana State for six years before accepting the reins of the Oregon State program. While at Montana State she led the Bobcats to four conference tournament berths and the 1993 conference title. She was named the Big Sky Conference Coach of the Year.