What: The 34th annual Independence Blue Cross Broad Street 10-mile run.
Where: Starts at North Broad Street and West Fisher Avenue and finishes a quarter-mile inside the gate at the Philadelphia Navy Yard at the end of South Broad Street.
When: Starts at 8:30 a.m. Last year's winner, Henry Rutto of Kenya, crossed the finish line in 47 minutes, 5 seconds. But other runners will still be on the course for hours afterward.
Weather forecast: AccuWeather. com predicts mostly sunny and pleasant, high of 71 degrees and low of 49. No chance of rain.