Erkers, who competes for the IFK Mora SK, mainly took part in junior races until 2012. In January 2012 she ran her first race in the Scandinavian Cup in Åsarna and finished 45th in the sprint. At the U23 World Championships 2015 in Almaty , she achieved 30th place in sprint, 17th place in skiathlon and 12th place over 10 km freestyle. In February 2015 she made her debut in Östersund in the cross-country skiing world cup and came 56th place over 10 km freestyle. In the 2016/17 season, she achieved her first top 10 placement in the Scandinavian Cup in Lahti with tenth place in the sprint . In February 2017 she got her first World Cup points in Pyeongchang with 29th place in the sprint and 17th place in the skiathlon.