Serena tackles Spartan Race

Serena Williams hasn't played an official match in over a year, but she seems almost ready to return, at least based on the Spartan Race footage.

If she can trudge through mud, climb over wooden walls and gymnastically flip over beams, she can probably play a tennis match. Spartan Races vary from three miles long to marathon distances, with plenty of obstacles along the way to test your physical, mental and team strength.

Among Williams' Kryptonian teammates were her husband Alexis Ohanian and her new hitting partner, Jarmere Jenkins. The Kyrptonians, if you recall, is what she calls her dance team.

Williams is currently scheduled to play the U.S. Fed Cup tie on Feb 10-11, as well as Tie Break Tens New York on March 5. She's also on the entry list for Indian Wells, where main draw play begins on March 7.

Williams certainly looks ready to go: