Ready to race? Register directly on the official race website — opens in a new tab.
Register →Save this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
MCRRC Run Under the Lights is a 5k running event held in Gaithersburg, MD on Nov 21, 2026. The course has a road profile.
Trehko tracks registration status, entry fees, and deadlines for MCRRC Run Under the Lights and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.
Browse by discipline: