On Saturday, December 7, runners and walkers will make loop after loop of the asphalt path around the pond at Summerlake Park during the Operation Jack Northwest Run. The race is a fund raiser for autism research, inspired by Sam Felsenfeld, who started running marathons in 2010 to raise money and awareness for his autistic son, Jack. A year and 61 marathons later, he’d raised around $100,000. This is the 10th year that Steve Walters…