It would have been 150 men and 100 women who started in the Swedish season premiere, also the World Cup selection, in Bruksvallarna 20-22 November.
But now the starting field will be halved and only 75 men and 50 women will start.
- We want to take our social responsibility.
Competition area and workplace must be safe and secure.
Now only the ultimate elite is the place for next weekend's ski competitions, says competition leader Mikaela Sundbaum to her own website.
Foreign participants allowed
The decision was made in consultation with the ski association and was presented during the day.
The juniors are allowed to continue competing unless their Fis points qualify them.
Foreign skiers are also allowed to participate.
Today, the national team skiers had a training competition with number plates in heavy snowfall.
The organizer has saved snow which they drive out in batches to get as good tracks as possible.
New from this year is that SVT broadcasts from Friday when the ladies drive 10 km classic and the men 15 km classic.
On Saturday it is a classic sprint and during the final Sunday freestyle 10 and 15 km.