#TeamUSA is taking our 4x1k VERY SERIOUSLY… kylemerber, lifarber92, williamleer & heatherraekampf are ready to relay! • Watch #USATF take on the world at #gexc2017 live on USATF.TV +PLUS. Webcast begins at 8:15a ET Saturday morning! #track #tracknation #trackandfield #xc #crosscountry #greatrun