River Thames the stretch of river from Chiswick to Putney. Two rowing events on the River Thames are traditionally part of the wider English sporting calendar: The University Boat Race (between Oxford and Cambridge) takes place in late March or early April, on the Championship Course from Putney to Mortlake in the west of London. Henley Royal Regatta takes place over five days at the start of July in the upstream town of Henley-on-Thames. Besides its sporting significance the regatta is an important date on the English social calendar alongside events like Royal Ascot and Wimbledon. Other significant or historic rowing events
Head of the River Race Head of the River Race The Head of the River Race (HORR) is an against-the-clock ('processional') rowing race held annually on the River Thames in London, England between eights, other such races being the Schools' Head of the River Race, Women's Head of the River Race and Veterans' Head of the River Race. Its competitors are, with a few experienced junior exceptions, seniors of UK or overseas competitors and it runs with the ebb tide down the 4.25 mile (6.8 km) Championship Course from Mortlake to Putney which hosts the Oxford and Cambridge head-to-head races usually between one and two