07:15Olympics2020Rowing HeatsBBC Sport Duration: 4 hours, 9 minutes Fri 23rd Jul 2021, 07:15 on Red Button HDGB's Vicky Thornley is among those in action in the opening Rowing heats at Tokyo 2020.GenresSportOlympicsBrandOlympicsSeriesOlympics: 2020 Source: BBC Online