Training specifics for EJCC skiers and NA
| EJCC skiers (% of total training) | NA (% of total training) | P value | |
| Running | 25 | 45 | 0.0137 |
| Rollerski classic | 15 | 0 | <0.0001 |
| Rollerski skating | 15 | 0 | <0.0001 |
| Ski classic | 15 | 2 | <0.0001 |
| Ski skating | 15 | 0 | <0.0001 |
| Bike riding | 7 | 1 | 0.0019 |
| Strength training | 8 | 52 | <0.0001 |
| Total | 100 | 100 |
EJCC, elite junior cross-country; NA, non-athletes .