WOD 10.10.19

Warm Up : 10′ easy pace
–> nasal breath only !
–> use any ergo

then
6x 30″ max effort (150%) / 30″ rest
3′ rest
3x 60″ max effort (150%) / 60″ rest
3′ rest
6x 30″/30″
3′ rest
3x 60″/60″