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 line. Since then all crews have raced a course of exactly one mile and 550 yards (2112 metres). During the whole regatta, during racing hours there are numerous safety boats provided by the Colwick Park Lifeguards to keep competitors safe. The regatta organisers arrange for a first aid provider to be present, who have an on site hospital-style area. At a public meeting in Henley town hall on 26 March 1839, Captain Edmund Gardiner proposed "that from the lively interest which had been manifested at the various boat races which have taken place on the Henley reach during the last