Thousands of runners begin the London Marathon! 🏃‍♂️🏃‍♀️ Just five big names to look out for: ⭐️ Sifan Hassan ⭐️ Eilish McColgan ⭐️ Eliud Kipchoge ⭐️ Jacob Kiplimo ⭐️ Alex Yee #LondonMarathon #BBCMarathon t.co/Lhu7jSzDzI