In the scriptbank folder there is a script called hidehud.lua.
Assign it to a trigger zone and place it over the start marker.
As soon as the game starts those huds should be hidden.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.
