I'd like to to the same with my data (allow a download of all the course pages) eventually. I'm only publishing facts at the moment but would love to support other features (local ratings, reviews, etc)
its pretty easy, you already have the urls for all the sites. Non-uniformity might make it difficult. I am also working on a mapping project but instead of all the vacation rental listings available on direct booking sites provided by PMSs to eliminate Airbnb fees