Emergency crews responded to reports of an incident on Killinghall Road in the vicinity of Bradford Moor Park on the evening of Thursday, 3 September.
The call was received shortly before 21:00.
One male individual sustained fatal injuries as a result of the collision.
A 19-year-old woman and a 47-year-old woman were taken into custody on suspicion of dangerous driving.
Both individuals were subsequently released on bail while enquiries continue.
A spokesperson for West Yorkshire Police confirmed that the two suspects had been bailed pending further investigation.
The Major Collision Enquiry Team is continuing with its enquiries into the circumstances surrounding the incident.