Olympians Desiree Linden and Nick Willis at Rio 2016

Desiree Linden of Hansons-Brooks ODP Places Seventh in Women's Marathon
Athletes compete in the women's marathon during the Summer Olympics athletics event in Rio de Janeiro, Brazil, Sunday, Aug. 14, 2016. At front center is Desiree Linden, of the United States. (AP Photo/Robert F. Bukaty)
16227484736872 2016 Rio Olympic Games Summer Olympic games Sports Events XXXI Olympiad
Ann Arbor's Nick Willis Blazes to Bronze in Rio
New Zealand's Nicholas Willis celebrates after winning the bronze medal in the men's 1500-meter final during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Saturday, Aug. 20, 2016. (AP Photo/Matt Slocum)
16234014863029 2016 Rio Olympic Games Summer Olympic games Sports Events XXXI Olympiad