Rt. 128 (I 95) to Exit 28, Trapelo Road.
Take Trapelo Road toward Belmont.
Follow until you reach a major intersection (Mobile Gas Station).
Take a right and follow this road (Lexington Street) until you go past Burger King, Staples and CVS.
From there take a left onto Jack's Way (2nd set of lights) sign for Waltham Senior High School will be here.
Follow the road up the hill and the field will be at the far end of the building.