Table 2. Training structure of initial week at altitude depending on prior experience. Day 1 (arrive) 2 3 4 5 6 7 New to altitude Easy run 2 easy runs 2 runs or 1 medium length run Threshold to V̇O2 max Strength training Race pace Long run Previous altitude experience Easy run Easy run AM threshold run PM 2 runs or 1 medium run V̇O2 max + race pace strides Strength training Race pace Long run