Join the hottest fitness movement in the nation and get healthy in the new year at Orangetheory Fitness, Mission Valley! Starting January 29, Orangetheory will offer an 8-Week Transformation Challenge to members for only $25. The man and woman who lose the highest percentage of weight at the end of 8 weeks will receive a grand prize of $500! Additional Details: - A minimum of 3 classes per week at Orangetheory Fitness, Mission Valley is required - 3 weigh-ins are…