New Summer Schedule! Posted on June 26, 2009June 26, 2009 by admin Check out the new CrossFit Arlington Heights schedule. We've added Friday evening and Sunday morning. To get an earlier start on your day, we've moved up the first session of the day to 5:30 AM. photo: Colleen, Krystyna, Lizzie and Ania loving every minute of a 20 min. AMRAP Posted in Arlington Heights WOD, Uncategorized.