Mari Eder (née Laukkanen; born 9 November 1987) is a Finnish former biathlete and cross-country skier. Eder competed in the 2010 Winter Olympics for Finland. Her best performance was 43rd in the individual. She also finished 68th in the sprint. In February 2013, Eder's best performance in the Biathlon World Cup was 7th, as part of the mixed relay team at Kontiolahti in 2011/12. Her best overall finish in the Biathlon World Cup is 36th, in 2011/12. She scored her first World Cup podium finish with a third place in the first of two sprints at…