5K Races in Marlborough, Connecticut 2026 — MyNextRace

There are 2 5K races in Marlborough, Connecticut in 2026. The next is the Masquerade 5K on October 25.

Sun, Oct 25 · Marlborough, CT Marlborough

Road Marlborough Masquerade 5k

From $25 Open

Sun, May 30 · Marlborough, CT Marlborough

Road 5k5k

From $25 Closed

5K Races in Marlborough, Connecticut