Editor's note. The 27-year old Wanjiru has the following marathons on his CV.
2014
2:08:18 7 BMW Frankfurt 26 Oct
2016
2:09:25 4 Volkswagen Praha 8 May
2:05:21 1 TCS Amsterdam 16 Oct
2017
2:05:48 1 Virgin Money London 23 Apr
2:12:16 8 WC London 6 Aug
2018
2:10:35 8 Virgin Money London 22 Apr
2:10:21 5 TCS New York NY 4 Nov
2019
2:08:40 11 Virgin Money London 28 Apr
Additionally, he's run 27:43 on the roads and 59:20 for the half (3 times under 60:00).