Kọ́kọ́ parí gbólóhùn yìí:
2003 World Cross Country Championships o pari kẹta ni ere-ije kukuru, lakoko ti ẹgbẹ Kenya, eyiti Wanjiku jẹ apakan, ṣẹgun idije ẹgbẹ. O pari ni kẹsan ni 2004 World Cross Country Championships, ṣugbọn eyi ko to lati gba ami ẹyẹ pẹlu ẹgbẹ.