Gianna Ursula Woodruff Washington (born November 18, 1993)^[5] is a Panamanian track and field athlete specializing in the 400 metres hurdles. She represented her country at the delayed 2020 Tokyo Olympics improving her own South American record with a time of 54.22 seconds in the semi-finals to finish 7th in the final.^[6]

In 2017, Woodruff reached the semi-finals at the World Championships. Born in Santa Monica, California, she has a dual citizenship with the United States and Panama. Her sister, Yasmin Woodruff, is a sprinter.

International competitions

Representing  Panama

Year	Competition	Venue	Position	Event	Time	Notes
2016	Ibero-American Championships	Rio de Janeiro, Brazil	2nd	400 m hurdles	57.34
2017	South American Championships	Asunción, Paraguay	1st	400 m hurdles	56.04
	World Championships	London, United Kingdom	22nd (sf)	400 m hurdles	57.32
	Bolivarian Games	Santa Marta, Colombia	1st	400 m hurdles	58.06
2018	South American Games	Cochabamba, Bolivia	3rd	400 m hurdles	57.68
	Central American and Caribbean Games	Barranquilla, Colombia	6th	400 m hurdles	55.60
2019	South American Championships	Lima, Peru	2nd	400 m hurdles	56.76
	Pan American Games	Lima, Peru	7th	400 m hurdles	57.20
	World Championships	Doha, Qatar	19th (sf)	400 m hurdles	55.61
2021	Olympic Games	Tokyo, Japan	7th	400 m hurdles	55.84	54.22 sf AR
2022	Bolivarian Games	Valledupar, Colombia	1st	400 m hurdles	55.32
	World Championships	Eugene, United States	7th	400 m hurdles	54.75
2023	Central American and Caribbean Games	San Salvador, El Salvador	2nd	400 m hurdles	56.15
	World Championships	Budapest, Hungary	15th (sf)	400 m hurdles	54.71
	Pan American Games	Santiago, Chile	1st	400 m hurdles	56.44	[7]

Personal bests

All information taken from World Athletics profile.^[5]

• 200 metres – 23.88 (+1.4 m/s, Irvine, CA 2018)
• 400 metres – 52.78 (Austin, TX 2021) NR
• 400 metres hurdles – 53.69 (Eugene 2022^[8])

Indoor

• 60 metres – 7.65 (Seattle, WA 2015)
• 200 metres – 24.67 (Albuquerque, NM 2014)
• 400 metres – 57.17 (Portland, OR 2016)

^[9]