You Know Who Has to Deal with Rio’s Toughest Event? Horses by Lexi Pandell from on 2016-08-10 23:43 (#1Q479) On Monday, the cross-country equestrian course decimated the field-only three riders out of 65 finished in time. That's not just hard-it's unsafe. The post You Know Who Has to Deal with Rio's Toughest Event? Horses appeared first on WIRED.