Runners will face a start temperature of 46°F, gradually rising to 60°F by the end. Winds will be a consistent crosswind at 11 mph, with gusts up to 20 mph, posing challenges on the gently rolling course. To maintain pace, runners should focus on hydration early and be prepared for slight adjustments during the windier sections, particularly in the middle miles.
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The Blue Cross Broad Street Run, which has taken place in Philadelphia on the first Sunday in May since the early 1980s, is the largest 10-mile road race in the United States (40,689 runners in 2012).Wikipedia