There are many synonyms for the word "langlauffer", which is a German term for a cross-country skier. Some other terms that can be used to describe this type of skier include Nordic skier, cross-country racer, or simply cross-country skier. Other possible synonyms include ski marathoner, ski endurance athlete, or ski touring enthusiast. Depending on the context and the level of proficiency of the skier, additional synonyms might include ski trainer, ski instructor, or ski coach. Regardless of the terminology used, cross-country skiing is a challenging and rewarding winter sport that requires patience, technique, and endurance.