What you can is setup your trace using the Profiler GUI, you can then script out the T-SQL needed to run the profiler and use it in a sql server job, and schedule as and when you need it.
To get the script the option can found under in the profiler GUI
You may need seperate job/step to stop the trace to...
Look up the neccessary SP in BOL.
Gethyn Elliswww.gethynellis.com