Tararua Mountain race 20 per cent chance of sun, 10 per cent chance of no wind, 100 per cent chance of blood, sweat and tears.Race the historic tramping route The Southern Crossing, with the support of LandSAR Southern CrossingKime ClimbField DashDistance36km24km13kmVert (m)23001300770Gradient6.4%5.4%5.9%GRADIENT FACTORHarshHarshHarsh