This is the Soaring Spot Test Site. It behaves exactly the same as the live Soaring Spot except a) Uploads are ignored and b) it always returns the same flight for download.
Well, they've gone on Task B and I think everyone has now started, with the possible exception of the three relights. Task B is SUT - SU2 - RU2 - CTK - HAN - NRT - SU3 - FINLNN at 177.7k.