Lelde Priedulēna took part in international races in the European Cup for the first time at the end of 2010 and reached the second run for the first time in her third race in Winterberg with 19th place. In the 2011/12 season she started after two 14th places in the European Cup for the first time in the Intercontinental Cup , where her best results of the season were several 11th places. In addition, she made her debut in Altenberg in January in the World Cup with a 22nd place. At the Junior World Championships at the end of January 2012 in Igls , she was eleventh.
In the following two winters, Priedulēna took part again in the World Cup and achieved 12th place in Altenberg in 2012/13 and 15th place in Winterberg in 2013/14 . At the Junior World Championships she was fourth in late 2012 and eleventh in January 2014. In 2013 she competed for the first time at the World Championships in St. Moritz and finished 23rd. A year later she represented Latvia at the Olympic Games in Sochi , where she finished 14th.
In 2014/15 Lelde Priedulēna started the season in the Intercontinental Cup, where she reached two fourth places. Then she took part in the World Cup again from January and placed there between ranks 14 and 19. At the Junior World Championships in Altenberg she was again fourth, at the World Championships in Winterberg 13. In the 2015/16 season she was initially again in World Cup active and went there in the first three races on the ranks 4 to 6. Instead of the World Cup races in North America, it launched then in the Intercontinental , where they each finished second in their four participations. At the Junior World Championships in 2016 she was the first Latvian to win a medal and was junior world champion ahead of Kimberley Bos and Anna Fernstädt .