Olesya Chumakova is a Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n middle distance runner who specializes in the 800

800 metres

The 800 meter race is a common track running event. It is the shortest common middle distance track event. The 800 meter is run over two laps of the track and has always been an Olympic event. During indoor track season the event is usually run on a 200 meter track, therefore requiring four laps...

 and 1500 metres

1500 metres

The 1,500-metre run is the premier middle distance track event.Aerobic endurance is the biggest factor contributing to success in the 1500 metres but the athlete also requires significant sprint speed.In modern times, the 1,500-metre run has been run at a pace faster than the average person could...

.

On 11 February 2007 she helped establish a world indoor record

World records in athletics

World records in the sport of athletics are ratified by the International Association of Athletics Federations. Athletics records comprise the best performances in the sports of track and field, road running and racewalking....

 in the rarely contested 4 x 800 metres relay

4 x 800 metres relay

The 4 x 800 metres relay is an athletics track event in which teams comprise four runners who each complete 800 metres or 2 laps on a standard 400 meter track....

 (8:18.54 minutes with teammates Anna Balakshina, Natalya Panteleyeva and Anna Emashova).

She won the bronze medal in 1500 m at the 2007 European Indoor Athletics Championships.