Grace Wanjiru Njue (born 1979) is a female race walker from Kenya.

She is a three-time African Champion and a Commonwealth Games medallist.

The previous record (1:36:18) was held by Susan Vermeulen of South Africa and set in 1999.

[2] Wanjiru was already the reigning Kenyan record (time 1:39.50) holder, setting it when she won the 2008 African Championships title.

[5] In 2011, she won 20 kilometres race walk at the national championships once again setting another African record of 1:28:15 [6]