They used a couple of the DH runs:
Stage 1: Red Run starting on the start ramp and ending on boardwalk. (Different end for run 2)
Stage 2: Started near the start of the 4x track in a bombhole, down half the 4x track, small up & down XC loop, finished at the end of the 4x track.
Stage 3: DH3 with climb bit before the fire road crossing.
Stage 4: Up hill sprint from near the bottom of DH3, up the xc climb, past the short cut sign and finishing at the top of the fireroad.