Allyson Felix (@af85) capped off World Champs with another GOLD in the 4x4 (world lead time of time of 3:19.02) - I wish the whole image would fit on Instagram but it's a tad too big. 🙃 #London2017 #WorldChampionships #RoadtoLondon #TrackChampionships #TrackandField #TrackNation #Sports #SportsPhotography #TrackNation #FloTrack #RunnerSpace #Dyestat #Athletics #IAAFWorlds #canon1dxmarkii #canon400mm