Metcon
4 sets (alt time air bike&ski)
25/20 calories
air bike / ski
rest 1 min
20/16 calories
air bike / ski
rest 1 min
15/12 calories
air bike / ski
rest 1 min
then next set with ski erg, then 3 set with air bike and 4th set with ski.

Go with Fast Pace (men targets 370+ watts and women 270+ watts on air bike and ski erg 900/1200+ cal/hr

Score is total time of all intervals