A fatal collision involving a vehicle and a bicyclist in San Marcos is under investigation.
On Tuesday, April 21, 2026, at about 12:11 p.m., deputies from the San Marcos Sheriff’s Station responded to reports of a collision in the 1900 block of W. San Marcos Blvd.
Upon arrival, deputies learned the collision occurred between a white Lexus SUV and a 78 year old male bicyclist riding a regular bicycle. The bicyclist was found in the westbound lanes of W. San Marcos Boulevard.
Deputies and paramedics provided life-saving measures at the scene, however, the bicyclist was pronounced deceased at 12:26 p.m.
The driver of the SUV remained at the scene and cooperated with investigators. It is unknown if drugs or alcohol are a factor in this collision.
The San Marcos Sheriff’s Station Traffic Unit is conducting the investigation. Anyone who witnessed the incident or has additional information is encouraged to contact the San Marcos Sheriff’s Station at (760) 510-5200.
