Thanksgiving morning, Thursday, Nov. 26th at 9am. Bring your family and friends to run or walk the spectacular paths of Olmsted's "jewel" of the Emerald Necklace. Work off the calories before you sit down for a feast. $25 in advance; $30 on-site registration; kids $10. Proceeds benefit programs and park restoration. Turkey costumes optional. Sponsored by the Franklin Park Coalition. Starts and ends at the Franklin Park Golf Clubhouse, One Circuit Drive, Boston, MA 02121.…