339 events on offer, across 33 sports. New Zealand are taking a record number of athletes to this year's Games. The biggest contingents are the football and field hockey teams, followed by rowing, cycling and rugby sevens. Limited local crowds will be able to attend events, as Japan continues to battle Covid-19. Organisers have set a limit of 50 per cent capacity up to a maximum of 10,000 fans for all venues. Tokyo has held the Olympics once before, in 1964. Middle-distance runner Peter Snell was the hero for New Zealand on that occasion, claiming gold medals in both the 800m and 1500m races. HOW TO WATCH