Hederson Estefani

Hederson Alves Estefani (born 11 September 1991) is a Brazilian athlete competing primarily in the 400 metres and 400 m hurdles. He represented his country at the 2015 World Championships in Beijing without advancing from the first round.

Year	Competition	Venue	Position	Event	Notes
Representing  Brazil
2008	South American Youth Championships	Lima, Peru	1st	400 m hurdles	51.67
			1st	Medley relay	1:54.10
2009	South American Junior Championships	São Paulo, Brazil	1st	400 m	46.20
			1st	400 m hurdles	51.07
			1st	4x400 m relay	3:10.66
	Pan American Junior Championships	São Paulo, Brazil	3rd (h)	400 m	46.70
			4th	400 m hurdles	51.11
2010	South American Games / 2010 South American U23 Championships	Medellín, Colombia	2nd	400 m	46.85
			4th	400 m hurdles	52.43
			2nd	4x400 m relay	3:07.11
	Ibero-American Championships	San Fernando, Spain	2nd	4x400 m relay	3:05.43
	World Junior Championships	Moncton, Canada	9th (h)	400 m hurdles	51.59
2011	South American Championships	Buenos Aires, Argentina	1st	4x400 m relay	3:08.95
2012	Ibero-American Championships	Barquisimeto, Venezuela	3rd	400 m hurdles	49.70
			4th	4x400 m relay	3:03.05
	South American U23 Championships	Barquisimeto, Venezuela	1st	400 m hurdles	51.02
2013	South American Championships	Cartagena, Colombia	3rd	4x400 m relay	3:08.60
2014	Ibero-American Championships	São Paulo, Brazil	2nd	4x400 m relay	3:02.80
2015	IAAF World Relays	Nassau, Bahamas	5th	4x400 m relay	3:00.96
	South American Championships	Lima, Peru	2nd	400 m	45.57
			2nd	400 m hurdles	49.54
	Pan American Games	Toronto, Canada	10th (h)	400 m hurdles	51.06
			5th	4x400 m relay	3:01.18
	World Championships	Beijing, China	30th (h)	400 m	45.36
			12th (h)	4x400 m relay	3:01.05
2016	Ibero-American Championships	Rio de Janeiro, Brazil	15th (h)	400 m	61.54
	Olympic Games	Rio de Janeiro, Brazil	41st (h)	400 m	46.68
2017	World Championships	London, United Kingdom	25th (h)	400 m hurdles	50.22
2018	South American Games	Cochabamba, Bolivia	4th	400 m	46.15

Disqualified in the final

Outdoor

• 400 metres – 45.25 (São Paulo 2012)
• 400 metres hurdles – 49.40 (São Bernardo do Campo 2015)