Magic City runners ready to pound the pavement at the 39th annual Lexus Corporate Run. Miami Police Officer Michael Vega says there are several traffic detours in and near Bayfront Park before the race begins at 6:45 tonight. Biscayne Boulevard Southbound traffic will merge into two lanes at Northeast Sixth Street and continue south bound. 18-thousand people are participating in "Downtown Miami's Largest Office Party" It's a 3-point-one mile run/walk open to full and part-time employees.