Tiger Woods leads by six at Torrey Pines but Farmers Insurance Open finish delayed by fog

Tiger hits top form to build six-shot lead at Torrey Pines but finish delayed by fog By Mike Dawes PUBLISHED: 02:15 GMT, 28 January 2013 | UPDATED: 02:15 GMT, 28 January 2013 Tiger Woods remained on course for victory as the Farmers Insurance Open at Torrey Pines went into a fifth day. After fog remarkably wiped out all but five minutes of day three's play, the third round and a large chunk of the fourth was completed today before darkness fell