The MOST controversial moments of 2019. Eliud Kipchoge’s sub-2 hour marathon? The advantage of the Nike Vaporflys / NEXT% shoes? The Caster Semenya ruling? Athletes collapsing at The World Championships in Doha? The cross country Run Equal campaign? We could go on, but we don’t want to spoil the WHOLE video for you! Watch as we recap and discuss some of the most CONTROVERSIAL moments in running in 2019.