What Will It Take to Run A 2-HOUR Marathon?
When Ronaldo da Costa broke the finish-line tape at the 1998 Berlin Marathon, he began dancing a samba. He deserved to party: The marathon world record had been stuck at 2:06:50 since 1988, after creeping down an average of just five seconds a year since the late ’60s. The wafer-thin Brazilian had shattered the mark…















