Serena Williams Nearly Finishes Run at Annual Charity Race

Serena Williams cracks a smile on the beach for her Serena Williams Live Ultimate Run on Sunday (December 13) in Miami, Fla.

The 34-year-old tennis superstar was joined on her run by sister Venus and Today‘s Al Roker.

PHOTOS: Check out the latest pics of Serena Williams

In a Facebook video she posted, Serena admitted that she was unable to finish out the entire race but promised to next year.

The race benefits her Serena Williams Foundation and consisted of a half marathon, 5K run and a ultimate kids dash.

Check out her video below!

30+ pictures inside of Serena Williams at her charity run…