Head of the River Race only open to men's eights and is considered to be the peak of the head race season — attracting the top UK crews as well as foreign clubs. Composite crews, drawn from more than one club or institution, are not permitted. The Championship Course is that of the Oxford and Cambridge Boat Race but, unlike the Boat Race, the Head of the River Race is raced on an ebb tide from Mortlake to Putney. The starting time for the race is different every year and depends on the tide — the first crew (winner from the previous year) starts the
Bruce Peninsula Multisport Race children's race that takes place concurrent with the full distance. The event takes place annually on the second weekend in August and is based out of Wiarton, in Ontario, Canada. The race is a qualifying stop on Adventure Racing Ontario's points series, which is a schedule of team-based adventure sport events taking place in the province of Ontario. The race was also featured on the final episode of season 3 of the TV show Boundless. Past Long Course Winners (full distance) Suntrail Course Winners (sprint distance paddle-bike-run) <nowiki>*</nowiki>abandoned due to extreme weather Past Subaru Duathlon Winners (sprint distance paddle-bike-paddle) Past