.Start  Cleveland Tow Path Metro Park Lot Canal Rd. in front of Bacci Park Cuyahoga Hts.   /   30 minutes of Intervals ( 1 min. hard 2 min.. easy recovery  10X )  ride north on Tow Path To try hills at east- hard  pace, various cadence or gears. This is a workout designed to help improve speed and climbing for riders of any level.