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Self-Transcendence 3100 Mile Race. The Self-Transcendence 3100 mile race is the world's longest certified footrace. In 1996 Sri Chinmoy created this event as a 2,700-mile (4,345 km) race. At the award ceremony that year he declared that the 1997 edition would be extended to 3,100 miles (4,989 km).
Currently, the largest 5K in the world is the Race for a Cure: DC event in Washington D.C. The largest event in the Susan G. Komen Race for the Cure series to fight breast cancer, this 5K boasted 35,143 finishers last year.hat's a lot of runners! More: Introduction to 5K Speed Workouts. The current world record for a 5K distance run was set on May 31, 2004, by Ethiopian distance runner Kenenisa Bekele. Bekele's time was just 12:37:35.