Defending champion Mary Moraa and compatriot Lilian Odira have qualified for the 800m semi-finals at the 2025 World Athletics Championships in Tokyo, while Sarah Moraa and Vivian Kiprotich were eliminated.

• Mary Moraa secured her spot by finishing second in Heat 2 with a time of 1:58.44.
• Lilian Odira advanced by winning Heat 5.
• Sarah Moraa was eliminated after tangling with other athletes in Heat 5, and Vivian Kiprotich failed to advance, finishing fifth in Heat 7.