🚨 Toronto, you really showed up - The TCS Toronto Waterfront Marathon is officially Canada’s largest marathon! From the vast number of cheer zones 📢, to the stunning views, and thousands of runners 🏃 pushing their limits, we are proud to be with you for the long run. What a day! #RunwithTCSinToronto #RunwithTCS #TOwaterfront42k #ChooseTORun #TCSNA