Catherine Tyree and Spencer Smith Top big Sunday classes at WEF 7 Spencer Smith won the $50,000 Dutta Corp/Guido Klatte Grand Prix CSI2*, while Catherine Tyree topped the $73,000 CaptiveOne Advisors 1.50m Classic CSI5*.By: Jennifer Wood Media, Inc. / Photo: Catherine Tyree and BEC Lorenzo. (Sportfot)