Career
On 6 May 2012, Kalla signed for Piteå Elit for the season 2012/13. In the 4 x 5 km women"s relay race, held on February 15, she ran in the final leg and started third with a 25.7 sec lag behind the first place and a 19.9 lag behind the second place, but totally reduced the gap, and overtook her competitors in the final straight, giving Sweden the gold medal. Season standings
Individual podiums
9 victories – (4 WC, 5 SWC)
47 podiums – (27 WC, 20 SWC)
Team podiums
3 victories
10 podiums
On 17-18 April 2015 Kalla participated and placed second in Keb Classic, a ski mountaineering event in Kebnekaise, Sweden, with Emelie Forsberg and Josefina Wikberg.