Complex sentence: Wheel of Fortune made her first appearance in July when she was sent to Goodwood for the Richmond Stakes over six furlongs, in which she raced against colts as she was to do in all her races in 1878.
Split into simpler sentences: Wheel of Fortune made her first appearance in July when she was sent to Goodwood for the Richmond Stakes over six furlongs. In this race she competed against colts as she was to do in all her starts in 1878.