David O'Loughlin conceded more time to the leaders on yesterday's fourth stage of the Amgen Tour of California.

The Navigators Insurance professional lost 57 seconds to the peloton at the end of the 210.7 kilometre race from Monterey to San Luis Obispo.

He crossed the line in 103rd place.

First home was Juan José Haedo (Toyota-United Pro), the stage one victor adding to his tally by out galloping Fred Rodriguez, André Korff, Gordon Fraser and the rest of the peloton.