New Delhi, Jan. 25 -- Being on the streets during the Mumbai Marathon is always fun-even as a determined non-runner-because it is the only time I understand what people mean by "the spirit of Bombay". In a city of dust and hustle, residents actually turn out early on a Sunday with posters and flags to cheer runners as they pass their homes, older women hand them dhoklas for "protein", someone will stand with tiny cups of Coke on trays despite there being enough hydration stations. The most enjoyable part is always the stretch at Mahim where groups of spirited little boys wait on the road to high-five the runners.

Last weekend, which marked the 20th year of the marathon, was no different with many runners-and unfortunately, I have many fr...