Derby Racer

Derby Racer was the name of two wooden roller coasters that operated at Revere Beach in Revere, Massachusetts. The first coaster was built in 1911 and demolished in 1936. The second coaster of the same name was built in 1937 and demolished in 1948. Both coasters were racing roller coasters, with side-by-side track pairs where two coaster trains would race each other around the circuit of the coast... (Wikipedia)