The Siclovia event in Southtown will kick off the Million Pound Challenge, in which San Antonio and Houston are challenging each other to lose one million pounds of body weight, 1200 WOAI news reports.


  Houston Mayor Annise Parker has accepted San Antonio Mayor Julian Castro's challenge for the cities to see which will be the first to lose one million pounds.


  The YMCA of Greater San Antonio is leading the Alamo City's effort, and will distribute Fitbit activity trackers at Siclovia, to track physical activity.


  "As a leading health and well-being company, Humana continuously seeks new ways to help people take an active ole in their own health," said Tom Sillman of Humana, the Platinum sponsor of the challenge.  "By registering at Humana's tent at Brackenridge High School on Sunday, you cannot only join the Million Pound Challenge, but also take the first steps to improve your own health and well being."


  Siclovia, which has taken place on Lower Broadway for the last several years will be at a new location on Sunday, stretching from St. Mary's at Cesar Chavez to Mission Conception.  The area will be closed to vehicles for much of Sunday, so people can walk, walk their dogs, skateboard, or bicycle on the streets.