F-Register's stuff will be out of the office from Thursday to Sunday
European Le Mans (today and tomorrow) and Michelin GT3 Le Mans Cup (Wednesday) will have their Test Day at Circuit Paul Ricard.

Many other are ahead already. Formula 1 starts in Shanghai for the Chinese GP and from Friday to Sunday the following are on action:

DMV Gran Turismo Touring Cup at Hockenheimring

IMSA WeatherTech SportsCar Racing runs the Grand Prix of Long Beach accompanied by the Pirelli World Challenge

Australian GT Championship at The Bend Motorsport Park

Blancpain GT Series Asia at Sepang International Circuit

European Le Mans and Michelin GT3 Le Mans Cup take it serious at Circuit Paul Ricard

International GT Open at Rockingham Motor Speedway

Barrett-Jackson flys the flag for autions with their Palm Beach Collector Car Auction

and on our own behalf, F-Register's stuff will be out of the office from Thursday to Sunday, means no blog entry until late Sunday.