He led the EISA contingent with top distance finishes in both the 15km skate and the 30km classic .
Caldwell carried his dominance into US Senior Nationals in Houghton , MI .
Caldwell led the EISA contingent with top distance finishes in both the 15km skate and the 30km classic .
Caldwell carried his dominance into US Senior Nationals in Houghton , MI .