Henley Royal Regatta Henley Royal Regatta Henley Royal Regatta (or Henley Regatta, its original name pre-dating Royal patronage) is a rowing event held annually on the River Thames by the town of Henley-on-Thames, England. It was established on 26 March 1839. It differs from the three other regattas rowed over approximately the same course, Henley Women's Regatta, Henley Masters Regatta and Henley Town and Visitors' Regatta, each of which is an entirely separate event. The regatta lasts for five days (Wednesday to Sunday) ending on the first weekend in July. Races are head-to-head knock out competitions, raced over a course of 1 mile,
Henley Royal Regatta few years, and the great influx of visitors on such occasions, this meeting is of the opinion that the establishing of an annual regatta, under judicious and respectable management, would not only be productive of the most beneficial results to the town of Henley, but from its peculiar attractions would also be a source of amusement and gratification to the neighbourhood, and the public in general." The regatta was first staged in 1839 and proved so successful that it was expanded the next year from one day to two. As the regatta's popularity has grown it has further expanded: to