DC Bike Ride May 16th 2020 Register Now! DC'S ONLY CAR-FREE BIKE RIDE LET THE FUN TIMES ROLL What is DC Bike Ride? DC Bike Ride is DC’s
According to their FAQ
"Pedal-assist bicycles are allowed. E-bikes with a throttle or that can be POWERED BY MOTOR ONLY ARE NOT ALLOWED. "
So if you disconnect your throttle, is your bike allowed? Then it would only run in pedal assist mode.