Tiril Eckhoff and Sturla Holm Lägreid claimed biathlon sprint wins for hosts Norway at the Holmenkollen on Friday while team-mate Marte Olsbu Röiseland moved within one race of clinching the women’s World Cup trophy. Eckhoff won the women’s 7.5-kilometres event at the famous Oslo venue in 21 minutes 28.3 seconds after missing the last target in the shooting range, her second win of the season and 28th overall. Austria’s Lisa Theresa Hauser was second 7.0 seconds adrift with clean shooting while Röiseland in third was another 2.4 points back, with one missed target. “I am so happy. It is someth…