http://www.gmap-pedometer.com/?r=204094
Start-finish straight going alongside Ford Field (that big white box on the northern end of the circuit, zigzags down to Campus Martius Park (actually that corner is slightly inaccurate, see
site plan), then a blast along Woodward Avenue, onto the Grand Circus Park corner, then around Comerica Park on Montcalm back onto the pitstraight.