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Nairobi City County converted flat roofs of 10 public buildings (libraries, health centers) into Roof-Top Athletics Circuits on August 19, 2025—400m tracks with shock-absorbent surfaces, used after hours by schools and clubs. When land is scarce, we look up, said Governor Sakaja. Over 1,500 youth train weekly; crime in surrounding zones dropped 33%. Safaricom sponsors timing chips. Plans for 50 roofs by 2027 are confirmed.