The legendary Solid Snake was at his home in smash city. He missed the match in Smash Run since he had some important errands to run but he didint kick himself over it, instead he was using his time to train for the next match. However for Snake he had no one to train with him as no one else from the Metal Gear universe was invited to Smash but at least he could still communicate to them using his Codec.
He was doing his training in a large empty room in a virtual reality environment using simulated weaponry. He fought regular virtual soldiers practicing his aiming, his dodging, and his CQC techniques until he had completly ran out of energy. After he had ran out of energy he turned the virtual reality device and sat down on the ground to rest.