Some Niagara on the Lake accommodations can be quite expensive. Here are a couple of links to provide help in choosing accommodations. The race start/finish is close to the intersection of Mary and King streets

https://niagaraonthelake.com/accommodations

A reasonably priced alternative (about 20 minutes from the race start/finish by car) is Niagara Colleges Residence and Conference Centre

Link for this accommodation will be available in the spring