Table 1. Percentage of male Kenyan-born runners in the top 50 of the 2007 IAAF World list. Distance Percentage of Kenyan runners 800 m 30 % 1500 m 42 % 3 km Steeple 64 % 5 km 44 % 10 km track 54 % 10 km road 66 % Half marathon 58 % Marathon 58 % Cross Country* 60% *Data based on the 2007 IAAF World Cross Country Championship men's 12 km top 10 race results.