Professional cyclist charged with causing the death of Olympian wife ...

Professional road racing cyclist Rohan Dennis has been charged with causing the death of his wife, Olympian Melissa Hoskins — after a crash that occurred in Adelaide's inner north on Saturday.

Key points:Professional cyclist Rohan Dennis has been charged with causing the death of his wife Melissa HoskinsSA Police say Ms Hoskins died after she was allegedly hit by a car Mr Dennis was drivingMr Dennis was charged with causing death by dangerous driving, driving without due care and endangering life

SA Police said emergency services were called to Avenel Gardens Road in Medindie just after 8pm, following reports that a woman had been hit by a car.

Police said Ms Hoskins suffered serious injuries and was taken to the Royal Adelaide Hospital for treatment, but she died overnight.

Mr Dennis was arrested and charged with causing death by dangerous driving, driving without due care and endangering life — he was bailed to appear in the Adelaide Magistrates Court in March.

32-year-old Melissa Hoskins was known as a former track and road racing cyclist who announced her retirement from professional cycling in 2017.

Track cyclist Melissa Hoskins has died after she was allegedly hit by a car driven by her husband, Rohan Dennis.(ABC Capricornia: Blythe Moore)

A list of her achievements online state that the West Australian competed in the 2012 London Olympics in the women's cycling Team Pursuit and also in the 2016 Rio Olympics where she was involved in a high-speed crash at the Olympic Velodrome during training.

Ms Hoskins also competed in several national track championships and UCI Track Cycling World Championships.

Social media posts by the couple show that they married in Margaret River, south of Perth in 2018.

The couple married in 2018 and had just celebrated Christmas together.(Supplied: Instagram)

33-year-old Rohan Dennis' online achievements state that he has competed in several Grand Tour competitions including Tour de France, Giro d'Italia and Vuelta a Espana.

The pro cyclist has also won several medals representing Australia, winning a silver for a Team Pursuit at the 2012 London Olympics and a bronze for a time trial at the 2020 Tokyo Olympics.

Mr Dennis recently posted a photo of himself and Ms Hoskins and their two children saying "Merry Christmas from our family to yours."

Multiple ambulances were called to the scene at Avenel Gardens Road on Saturday night.(ABC News)

The couple were initially listed on the Santos Tour Down Under website to lead a family ride event at next year's cycling event in Adelaide — but those details have since been removed from the website.

Police said Ms Hoskin's death is the 114th life lost on SA roads this year, compared to 71 at the same time last year.