The Boat Race public tests are in November at the British Indoor Rowing Championships, where each university sends around 20 rowers to compete. Everyone races 2 km on an indoor rower with the club presidents using adjacent machines. Both universities also send crews to the Head of the River Fours race in London, which is raced over the reverse Boat Race course, that is to say the Championship course from Mortlake to Putney. In December, the coaches put out "Trial Eights" where two crews from the same university race each other over the full Boat Race course. These crews are given names such
The Boat Race in 1951; the 1951 race was re-rowed on the following Monday. In 1984 the Cambridge boat sank after colliding with a barge before the start of the race, which was then rescheduled for the next day. In 2016, at Barnes Bridge, Cambridge women began to sink and received advice from the umpire to pull to the side. The Cambridge cox indicated that she wanted to continue to complete the course and was allowed to do so. The course is 4 miles and 374 yards (6.779 km) from Putney to Mortlake, passing Hammersmith and Barnes; it is sometimes referred to as