Boston Marathon 2019

Geoffrey Kirui, of Kenya, leads the pack during the 123rd Boston Marathon on Monday, April 15, 2019, in Newton, Mass. (AP Photo/Steven Senne) 
              Worknesh Degefa, of Ethiopia, breaks the tape to win the women's division of the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Charles Krupa)
            
              Lawrence Cherono, of Kenya, breaks the tape to win the 123rd Boston Marathon in front of Lelisa Desisa, of Ethiopia, right, on Monday, April 15, 2019, in Boston. (AP Photo/Charles Krupa)
            
              Daniel Romanchuk, of Urbana, Ill., holds the trophy after winning the men's handcycle division of the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Winslow Townson)
            
              Worknesh Degefa, of Ethiopia, breaks the tape to win the women's division of the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Charles Krupa)
            
              Kenneth Kipkemoi, left, and Lawrence Cherono, center, both of Kenya, and Lelisa Desisa, of Ethiopia, run the course during he 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Steven Senne)
            
              Jared Ward, of Mapleton, Utah, right, leads the pack ahead of Hayato Sonoda, left, of Japan, and Elkanah Kibet, center, of Fountain, Colo., as they run the course during the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Steven Senne)
            
              Daniel Romanchuk, of Urbana, Ill., holds the trophy after winning the men's handcycle division of the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Winslow Townson)
            
              Manuela Schar, of Switzerland, receives the trophy after winning the women's handcycle division of the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Winslow Townson)
            
              Geoffrey Kirui, of Kenya, leads the pack during the 123rd Boston Marathon on Monday, April 15, 2019, in Newton, Mass. (AP Photo/Steven Senne)
            
              The elite women break from the start of the123rd Boston Marathon on Monday, April 15, 2019, in Hopkinton, Mass. (AP Photo/Stew Milne)
            
              Peter Guza, of North Andover, Mass., waves as he starts the 123rd Boston Marathon on Monday, April 15, 2019, in Hopkinton, Mass. (AP Photo/Stew Milne)
            
              Runners cross the start line of the 123rd Boston Marathon on Monday, April 15, 2019, in Hopkinton, Mass. (AP Photo/Stew Milne)
            
              Elkanah Kibet, of Fountain, Colo., leads the pack during the 123rd Boston Marathon on Monday, April 15, 2019, in Framingham, Mass. (AP Photo/Steven Senne)
            
              Manuela Schar, of Switzerland, celebrates as she heads to the finish line to win the women's handcycle division of the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Charles Krupa)
            
              Manuela Schar, of Switzerland, breaks the tape to win the women's handcycle division of the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Charles Krupa)
            
              Daniel Romanchuk, of Urbana, Ill., breaks the tape to win the men's handcycle division of the 123rd Boston Marathon on Monday, April 15, 2019, in Boston. (AP Photo/Charles Krupa)
            
              Yuki Kawauchi, of Japan, winner of the 2018 Boston Marathon, warms up before the start of the 123rd Boston Marathon on Monday, April 15, 2019, in Hopkinton, Mass. (AP Photo/Steven Senne)