On February 20, 2016, Infeld finished third in the Millrose Games women's indoor 5000 meters in 15:00.91, behind Betsy Saina and Molly Huddle. Infeld placed second in the 10,000 m behind Molly Huddle at the 2016 United States Olympic Trials (track and field) to qualify for Athletics at the 2016 Summer Olympics with Marielle Hall. In the Olympics 10000 m event she placed 11th in 31:26.94. The weather conditions were ideal for a fast race, where at least the top 6 competitors performed close to their best expectations that day, and many personal records were set including a World Record of 29:17 by Almaz Ayana. The Olympics USA team was spread apart by more than 2 minutes. Infeld's fellow team member, Molly Huddle, was well ahead and had one of her best performances establishing a PR of 30:13 and placing 6th. Marielle Hall was far behind in 32:39 for 33rd.