Marathon Swimming

Fort Copacabana

Aug 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

COPACABANA BEACH

RIO DE JANEIRO

10km 6 miles

Detail map

ATLANTIC OCEAN

200m 220 yards

Avenida Atlântica

“Posto 6” (Lifeguard Post 6)

COPACABANA BEACH

Garota de Ipanema Park

B4 B3

Initial swim

Competitors swim four laps of circuit

B2

Total distance 10km

Fort Copacabana

Atlantic Ocean

Format

Men’s and women’sevents feature 25 swimmers who set off in “mass start”

Buoys

Competitors must swim around five course markers

COPACABANA BEACH

Final swim

Finish: First to touch pad above finish gate wins

Start pontoon

50m 55 yards

B5 B1

London Olympics men’s 10km swim gold medallist Oussama Mellouli (TUN)

Sources: Rio 2016, Olympic.org

Picture: Getty Images