André Aschmann

Performance and age of African and non-African runners in half- and full marathons held in Switzerland, 2000–2010

B. Knechtle, V. Onywera, T. Rosemann, 2013, Open access journal of sports medicine.

Performance and age of African and non-African runners in World Marathon Majors races 2000–2014

P. Nikolaidis, B. Knechtle, V. Onywera, 2017, Journal of sports sciences.

Pacing Strategies in the New York City Marathon - Does Nationality of Finishers Matter?

P. Nikolaidis, B. Knechtle, V. Onywera, 2018 .