12061 Pennsylvania St. Suite B-103
Thornton, CO 80241
CrossFit Thornton is located just east off of I-25 at 120th Avenue close to Thorncreek Crossing. We are also near Northglenn, Westminster and Brighton. We are conveniently located just north of 120th on Pennsylvania Ave.
From I-25, head East for two blocks and head north/left on Pennsylvania Avenue. Drive a quarter of a mile and turn left into the complex fronted by Fastenal. Go to the west side of the parking lot, where you will find ample parking and our main entrance.