With Parkrun and Race for Life injecting fresh interest into the gruelling business of running, there’s never been a better time to pound the streets. Already addicted to Parkrun’s Saturday morning community vibe, I had the urge to try something new. Described as the happiest 5K on the planet, the Colour Run had me intrigued. But was it all a cloud of colourful hot air? And more importantly, how would I get the colour out my hair for work the next day?