Kongsberger Ski Club in the Seattle area has announced their Cross-Country Ski Race schedule for 2018 on their website http://www.kongsbergers.org/. They also note that the race fee for juniors has been reduced to $5 (from $15).  Kids are still free.

Ozbaldy 50k freestyle
Sunday, March 4. Mass start at 9:00 am.
Registration opens mid Febraury.
This race will include a 10k Juniors-only wave.