Complex sentence: They went on to many other competitions and joined up with DCA in 1966 and came in 2nd only to the Hawthorne Caballeros Drum and Bugle Corps by 1.10 points.
Split into simpler sentences: They went on to many other competitions and joining DCA in 1966. The corps came in 2nd to the Hawthorne Caballeros Drum and Bugle Corps by 1.10 points.