Figure 2From: Participation and performance trends of East-African runners in Swiss half-marathons and marathons held between 2000 and 2010 Change in the number of male and female African (Panels A&C) and Non-African (Panels B&D) finishers in half-marathon (Panels A&B) and marathon (Panels C&D), respectively, during the 2000–2010 period. Back to article page