Home Videos Sisson breaks American record, Chepngetich threatens WR in epic Chicago Marathon | NBC Sports Sisson breaks American record, Chepngetich threatens WR in epic Chicago Marathon | NBC Sports Oct 09, 2022 comments off Tweet on Twitter Share on Facebook Pinterest chepngetich 2022 chepngetich chicago chepngetich marathon chicago marathon chicago marathon 2022 emily sisson emily sisson 2022 emily sisson american record emily sisson chicago marathon emily sisson chicago marathon finish emily sisson interview emily sisson olympic trials emily sisson olympics marathon olympics ruth chepngetich