First u need Download MTA:SA Race 1.1.2 - 5.46Mb


Next install mtasarace_v1.1.2.exe to the /Program Files/MTA San Andreas Race (don't MTA San Andreas)


Then u must copy *.map files to the /Program Files/MTA San Andreas Race/mods/map_editor/maps


Launch /Program Files/MTA San Andreas Race/Multi Theft Auto.exe


In MTA:SA go to Map Editor, Load Race -> blablabla.map -> Test Race -> Test From Start