Tatyana Polnova

Template:Short description Tatyana Polnova (Template:Langx), née Zaykova (Script error: No such module "Lang"., born 20 April 1979) is a Russian pole vaulter. Between 1998 and 2002 she competed for Turkey under the Turkish name Tuna Köstem. She is currently Fenerbahçe Athletics Club member.

Her personal best is 4.78 metres, achieved in September 2004 in Monaco.

International competitions

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1997	European Junior Championships	Ljubljana, Slovenia	8th	3.75 m
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1998	World Junior Championships	Annecy, France	10th	3.90 m
1998	European Championships	Budapest, Hungary	24th (q)	3.80 m
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2003	Universiade	Daegu, South Korea	1st	4.70 m
2003	World Athletics Final	Monte Carlo, Monaco	1st	4.68 m
2004	World Athletics Final	Monte Carlo, Monaco	2nd	4.78 m
2005	European Indoor Championships	Madrid, Spain	5th	4.60 m
	World Championships	Helsinki, Finland	4th	4.50 m
	World Athletics Final	Monte Carlo, Monaco	3rd	4.50 m
2006	European Championships	Gothenburg, Sweden	3rd	4.65 m
2007	World Championships	Osaka, Japan	9th	4.60 m
2009	World Championships	Berlin, Germany	7th	4.40 m

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