Falmouth Half Marathon 2025. The 13.1 mile route begins just below falmouth’s. The cape cod marathon half race course is a fast and scenic route that hugs the falmouth coastline of nantucket sound.
Designed to maximize runners’ view of martha’s vineyard and the beautiful waters of the sound, this out and back. A classic and picturesque cornish half marathon, the route takes you along the coast past falmouth’s beautiful beaches.