A cyclist is dead and another is fighting for his life after they hit parked vehicles in separate crashes in Queensland.

A 78-year-old rider died after running into the rear of a parked vehicle in the Hervey Bay suburb of Torquay, a Queensland coastal community almost 300km north of Brisbane, at 5.20pm on Tuesday.

A cyclist dies after colliding with a parked ute in Hervey Bay. Credit:Fraser Coast Chronicle

Witnesses told paramedics they saw the man cycling downhill before turning around and cycling uphill when he collided with the ute, the Fraser Coast Chronicle reports.

The cause of his death is unknown as the cyclist had no visible trauma marks.