David Ninavia Mamani (born 4 February 2003) is a Bolivian distance runner.^[1] He has won multiple medals at regional level. He also hold several national records.

Year	Competition	Venue	Position	Event	Notes
Representing  Bolivia
2021	South American Championships	Guayaquil, Ecuador	9th	5000 m	14:36.94
	South American U20 Championships	Lima, Peru	3rd	3000 m	8:23.01
			1st	5000 m	14:29.0
	South American U23 Championships	Guayaquil, Ecuador	3rd	5000 m	14:51.36
			3rd	10,000 m	31:08.34
	Junior Pan American Games (U23)	Cali, Colombia	1st	5000 m	14:21.36
			–	10,000 m	DQ
2022	South American Indoor Championships	Cochabamba, Bolivia	1st	1500 m	3:56.16
	Bolivarian Games	Valledupar, Colombia	2nd	1500 m	3:43.60
	World U20 Championships	Cali, Colombia	27th (h)	1500 m	3:52.18
			16th	5000 m	14:42.76
	South American U23 Championships	Cascavel, Brazil	1st	5000 m	14:39.91
			1st	10,000 m	30:05.08
	South American Games	Asunción, Paraguay	6th	5000 m	3:49.41
			3rd	10,000 m	14:08.37
2024	South American Indoor Championships	Cochabamba, Bolivia	1st	1500 m	3:56.65
			1st	3000 m	8:26.73
	Ibero-American Championships	Cuiabá, Brazil	1st	3000 m	8:05.26
			4th	5000 m	14:30.31
	Bolivarian Games	Ayacucho, Peru	1st	10 km	37:06
			3rd	Half marathon relay	1:23:34
2025	South American Indoor Championships	Cochabamba, Bolivia	2nd	1500 m	3:52.48
			1st	3000 m	8:30.66

Outdoor

• 800 metres – 1:55.62 A (Cochabamba 2022)
• 1500 metres – 3:43.60 (Valledupar 2022) NR
• 3000 metres – 8:05.26 (Cuiabá 2024) NR
• 5000 metres – 14:08.37 (Asunción 2022)
• 10,000 metres – 30:05.08 (Cascavel 2022)

Indoor

• 1500 metres – 3:52.48 A (Cochabamba 2025)
• 3000 metres – 8:26.73 A (Cochabamba 2024)

• David Ninavia at Tilastopaja (registration required)