Gwizdoń competed in the 2006 and 2010 Winter Olympics for Poland. Her best finish was 7th, as part of the 2006 Polish relay team. Her best individual finish was 20th, in the 2006 sprint. In 2006, she also finished 21st in the pursuit, 29th in the mass start and 33rd in the individual. In 2010, she finished 35th in the sprint, 31st in the pursuit, 59th in the individual and 12th as part of the relay team.