Short
12 x 250m / 250m easy
- Ski 12 hard 250 meter pieces. Ski for 250 meters at light pressure between each piece.
Medium
5 x 1500m / 1 min easy
- Ski five 1500 meter pieces. Ski for one minute at light pressure between each piece.
Long
2 x 8000m / 5 min easy
- Ski two 8000 meter pieces. Ski for five minutes at light pressure between each piece.