Competing in her first ultra race, pro triathlete Hayley Benson of Littleton destroyed the women's course record at the Greenland Trail 50K on Saturday, covering the rolling gravel course in 3 hours, 41 minutes. Benson said she had hoped to break the record, but had never run so far (31 miles) at one time. She eclipsed the old record of 3:51:25, set by Kerrie Bruxvoort in 2012) by about 11 minutes.