: The Satara hills don't make it easy for any runner. Twenty-one kilometres of sustained climb, run in heat, UV exposure and humidity that punish anyone who doesn't pace themselves. At the 15th edition of the Satara Hill Half Marathon this year, TechnoSport, India’s largest activewear brand, is transforming the 21.0975 km Satara Hill Half Marathon route into an ambient OOH canvas for ‘I AM MOMENTUM’. TechnoSport, India's largest activewear brand, has stencilled 'I AM MOMENTUM' and its Running Man mark along the 21.0975 km course, on the road surface itself and along the perimeter of the route. The work is done with a hydro-jet technique: pressurised water lifts grime selectively, so the message appears on the surface of the road rather than on top of it. Nothing is printed, pasted or left behind. The placements sit at the points where a runner's pace usually breaks, at the gradient changes…