Table 2.

Training characteristics (mean ± SD) in high- and low-responders during a 6-month XC ski-specific training period.

	High-responders	Low-responders
Total training
Total (h)	363 ± 11	344 ± 23*
Total (sessions)	311 ± 15	290 ± 30
Rest (days)	22 ± 1	22 ± 2
Injury/illness (days)	5 ± 3	10 ± 5
Training forms
Endurance (h)	271 ± 6	259 ± 14*
Strength (h)	38 ± 1	37 ± 2
Speed (h)	14 ± 1	14 ± 1
XC skiing drills (h)	40 ± 6	34 ± 9
Exercise modes
Running (h)	85 ± 3	81 ± 5*
Roller-ski skating (h)	11 ± 1	11 ± 2
Roller-ski classic (h)	8 ± 1	8 ± 2
Ski skating (h)	111 ± 3	108 ± 5
Ski classic (h)	70 ± 1	66 ± 7*
Endurance training time
LIT (h)	232 ± 6	223 ± 12*
MIT (h)	13 ± 1	12 ± 1*
HIT (h)	26 ± 1	24 ± 2*
LIT/MIT/HIT (%)	85/5/10	86/5/9
Training load
Load (sRPE/wk)	3825 ± 1013	3228 ± 748*
Load/volume ratio (sRPE/h)	4.9 ± 0.6	4.2 ± 0.5*

LIT, low-intensity training; MIT, moderate-intensity training; HIT, high-intensity training.

^*Significant difference between groups (*P < 0.05).