びわ湖毎日マラソン
Samuel Ndungu Wanjiku (born 4 April 1988) is a Kenyan long-distance runner who specialises in the 10,000 metres and road running events. He has a half marathon best of 60:55 minutes and a marathon best of 2:07:04 hours. A Japan-based runner, he has won the Lake Biwa Marathon, the Marugame Half Marathon, and was the 2010 Japanese Corporate champion the half marathon.