American powerhouse Katie Ledecky broke her own 800m free world record in May, and just a few weeks later at Canadian Trials Summer McIntosh came within .95 seconds of the record in her 800m final. On Day 7 of swimming worlds we will witness these two champions go head-to-head for what The Ready Room's Brittany MacLean Campbell is calling the 'race of the century'. Watch it live August 2nd on CBC Gem.
