da SILVA Chayenne

South American Championships

Year	Location	400m Hurdles	4 x 400m
2021	Guayaquil, ECU	3rd (57.78)	3rd (3:36.40)

World Challenge - Ten best performances since 2020

Rank	Year	Event	Competition	Location	Result
6	2019	400m Hurdles	World Challenge	Braganca Paulista, BRA	58.04

World Junior Championships

Year	Location	400m Hurdles	4 x 400m
2018	Tampere, FIN	SF (59.19)	8th (3:34.55)

World Youth Championships

Year	Location	400m Hurdles
2017	Nairobi, KEN	8th (1:02.17)

Legend
SF - Semifinal, QF - Quarterfinal, 1R - 1st Round, Qual. - Qualification, QR - Qualification Round, DNF - Did Not Finish, DNS - Did Not Start, DQ - Disqualified, NM - No Mark, [Relay athlete without time] - Did not run in final

Athlete

Portuguese

Escola Municipal Francisco Caldeira de Alvarenga [FEMCA] [Rio de Janeiro, BRA]

Marsele Mazzoleni Machado [personal]

She was affected by a virus while competing at the 2017 World Youth Championships in Nairobi, Kenya. (cbat.org.br, 31 Jul 2020)

She took up the sport in Rio de Janeiro, Brazil. (cbat.org.br, 31 Jul 2020)

Before opting for athletics, she played handball, volleyball, basketball, and football. "I always liked sports since I was a young girl. And I was very good at them." (cbat.org.br, 31 Jul 2020)

She trains at the Oscar Schmidt Olympic Village in Rio de Janeiro, Brazil. (prefeitura.rio, 13 Feb 2021)

She was named Best Athlete at the 2019 U20 Brazilian Championships in Braganca Paulista, Brazil. (cbat.org.br, 31 Jul 2020)