The University Boat Race Stones are two small stone markers on the southern bank of the River Thames

River Thames

The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 in west London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, one 129m upstream of Putney Bridge

Putney Bridge

Putney Bridge is a bridge crossing of the River Thames in west London, linking Putney on the south side with Fulham to the north. Putney Bridge tube station is located near the north side of the bridge.-History:...

 and the other at Mortlake

Mortlake

Mortlake is a district of London, England and part of the London Borough of Richmond upon Thames. It is on the south bank of the River Thames between Kew and Barnes with East Sheen inland to the south. Mortlake was part of Surrey until 1965.-History:...

, 112m downstream of Chiswick Bridge

Chiswick Bridge

Chiswick Bridge is a reinforced concrete deck arch bridge over the River Thames in West London. One of three bridges opened in 1933 as part of an ambitious scheme to relieve traffic congestion west of London, it carries the A316 road between Chiswick on the north bank of the Thames and Mortlake on...

.

The stones define the start and finish points of the Championship Course

The Championship Course

The stretch of the River Thames between Mortlake and Putney in London, England is a well-established course for rowing races, most famously the Oxford and Cambridge Boat Race. It is often referred to as The Championship Course...

 (4 miles and 374 yards (6,779 m) from Putney to Mortlake, as measured along the centre of the river) used in the Oxford and Cambridge Boat Race

The Boat Race

The event generally known as "The Boat Race" is a rowing race in England between the Oxford University Boat Club and the Cambridge University Boat Club, rowed between competing eights each spring on the River Thames in London. It takes place generally on the last Saturday of March or the first...

 and other rowing

Sport rowing

Rowing is a sport in which athletes race against each other on rivers, on lakes or on the ocean, depending upon the type of race and the discipline. The boats are propelled by the reaction forces on the oar blades as they are pushed against the water...

 races, including the Head of the River Race

Head of the River Race

The Head of the River Race is a processional rowing race held annually on the River Thames in London, England, on the 4.25 mile Championship Course from Mortlake to Putney.-History:...

. The stones are marked "U.B.R" for University Boat Race.

The coordinates for the stones are:

• Putney: 51°28.003′N 0°12.916′W
• Mortlake: 51°28.323′N 0°16.148′W