The way points of this bicycle route:
Checkpoint #1: Cochrane.
get out of town heading west on the 1A
pass 1X turnoff (stay on 1A)
Exshaw: food/water available.
Checkpoint #2: Canmore.
Harvie Heights road parallels the TCH, but is obviously much less busy.
regain TCH to get through Banff Park gates.
East entrance into Banff
Checkpoint #2: Banff
West entrance to Banff: back onto TCH
exit onto 1A
Checkpoint #3: Castle Junction.
Now turn around and follow the route back, with Checkpoints at Canmore, Cochrane and back in Calgary.