The way points of this bicycle route:
Go up Beacon St towards Newton
R onto Walnut St
L onto Homer St X ComAv (route 30) to go onto Lowell Av
X Mass Pike (route 90)
L onto Walnut St X Watertown St (route 16)
R onto Linwood Av
L onto Bridge St X Pleasant St
L onto Waltham St
Waltham St becomes Grove St
At end, L onto Newton St
L onto Main St (route 20)
R onto Lyman St X railway
Roundabound: go 3/4 around onto Beaver St
At end, R onto Lexington St
L onto Totten Pond Rd
Totten Pond Rd becomes Winter St X route 128/95
Take right curve to stay on Winter St
Stay R to stay on Winter St
L onto Trapelo Rd
Stay L to stay on Trapelo Rd
X Lincoln St Trapelo Rd becomes Sandy Pond Rd
L onto Baker Bridge Rd
Follow left curve to stay on Baker Bridge Rd
R onto Concord Rd
Enjoy the swim!