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.

Things to do: Watch some of the 40,000 runners from vantage points at Temple University, Broad and Spring Garden Streets, Vine Street, City Hall, South Broad Street and the Navy Yard. . . . Park for free at Broad Street and Pattison Avenue, near the finish line, and visit different viewing stites via the Broad Street subway line. . . . Sign up at www.readynotifypa.org to receive emergency text alerts should any be needed.

Tips for runners, especially newbies: If you plan on using bag drop, the bag must be clear, see-through. No backpacks allowed. It will be a sunny day, so load up on sunscreen. Hydrate, hydrate, hydrate. Go on the bathroom lines as soon as you get off the subway. In general, lubricate every moving part, truth is stranger than friction.