Mazen Moutan Al-Yassin (born 8 July 1996) is a Saudi Arabian sprinter specialising in the 400 metres.^[2] He won a silver medal at the 2017 Asian Indoor and Martial Arts Games.^[3] With the time of 46.35 he is the current Saudi indoor national record holder.

More information Year, Competition ...

Year	Competition	Venue	Position	Event	Notes
Representing  Saudi Arabia
2013	World Youth Championships	Donetsk, Ukraine	9th (sf)	400 m	46.99
	Islamic Solidarity Games	Palembang, Indonesia	8th (h)	200 m	21.581
			1st	4 × 400 m relay	3:03.70
2014	Asian Junior Championships	Taipei, Taiwan	2nd	400 m	47.40
	World Junior Championships	Eugene, United States	27th (h)	400 m	47.85
2015	World Relays	Nassau, Bahamas	13th (h)	4 × 400 m relay	3:06.15
	Asian Championships	Wuhan, China	17th (h)	400 m	47.92
			2nd	4 × 400 m relay	3:02.62
	Military World Games	Mungyeong, South Korea	31st (h)	400 m	49.29
2017	Arab Championships	Radès, Tunisia	2nd	400 m	46.76
			3rd	4 × 400 m relay	3:08.23
	Asian Indoor and Martial Arts Games	Ashgabat, Turkmenistan	2nd	400 m	46.35
2019	Arab Championships	Cairo, Egypt	3rd	400 m	47.56
	Asian Championships	Doha, Qatar	21st (h)	400 m	48.24
	World Championships	Doha, Qatar	23rd (sf)	400 m	46.11
2021	Olympic Games	Tokyo, Japan	16th (sf)	400 m	45.37
2022	World Indoor Championships	Belgrade, Serbia	19th (h)	400 m	47.65
	Islamic Solidarity Games	Konya, Turkey	3rd	400 m	45.95
			–	4 × 400 m relay	DQ
2023	Arab Championships	Marrakesh, Morocco	3rd	400 m	45.40
	Asian Games	Hangzhou, China	9th (h)	400 m	46.13

Close

¹Disqualified in the final

Outdoor

• 200 metres – 21.58 (+0.3 m/s, Palembang 2013)
• 400 metres – 45.28 (Tashkent 2019)

Indoor

• 400 metres – 46.35 (Ashgabat 2017) NR

• Mazen Al-Yassin at World Athletics